Class 11 Chemistry Chapter 3 MCQ

Questions

    Class 11 Chemistry Chapter 3 MCQ. We covered all the Class 11 Chemistry Chapter 3 MCQ in this post for free so that you can practice well for the exam.

    Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.



    These types of competitive MCQs appear in exams like MHT-CET, NEET, JEE (Mains), and other Competitive Examinations, etc.

    We created all the competitive exam MCQs into several small posts on our website for your convenience.

    Join Telegram Group and Get FREE Alerts! Join Now

    Join WhatsApp Group For FREE Alerts! Join Now

    You will get their respective links in the related posts section provided below.

    Related Posts:

    Class 11 Chemistry Chapter 3 Objective MCQ for Students

    Quick Quiz

    The orbital motion of electrons is quenched more in

    (A) Pm

    (B) Sm

    (C) Ti

    (D) None of these

    Option c – Ti

    The stability of a particular oxidation state of a metal in an aqueous solution is determined by ( Class 11 Chemistry MCQ )

    (A) Enthalpy of sublimation of the metal

    (B) Ionization energy

    (C) Enthalpy of hydration of the metal ion

    (D) All of these

    Option d – All of these

    Which of the following compounds is (are ) colored due to charge transfer spectra and not due to d-d transition?

    (A) K2Cr2O7

    (B) KMnO4

    (C) Both (A) & (B)

    (D) None of these

    Option b – Both (A) & (B)

    The correct formula of permanganic acid is ( Class 11 Chemistry MCQ )

    (A) HMnO4

    (B) HMnO5

    (C) H₂MnO4

    (D) H₂MnO3

    Option a – HMnO4

    In the lanthanide series, the basicity of the lanthanide hydroxides

    (A) Increases

    (B) Decreases

    (C) First increase and then decrease

    (D) First decrease and then increases

    Option b – Decreases

    Which of the following compounds is used as the starting material for the preparation of potassium dichromate ( Class 11 Chemistry MCQ )

    (A) K2SO4.Cr2(SO4)3.24H2O (Chrome alum)

    (B) PbCrO4 (Chrome yellow)

    (C) FeCr204 (Chromite)

    (D) PbCrO4PbO (Chrome re(D)

    Option c – FeCr204 (Chromite)

    The starting material for the manufacture of KMnO4 is

    (A) Pyrolusite

    (B) Manganite

    (C) Magnetite

    (D) Haematite

    Option a – Pyrolusite

    Which of the following is ionic in nature ( Class 11 Chemistry MCQ )

    (A) CuF2

    (B) CuCl2

    (C) CuBr2

    (D) None of these

    Option a – CuF2

    Out of AgNO3, AgF, and AgCIO4, water-soluble salts are :

    (A) AgF

    (B) AgF, AgNO3

    (C) AgF, AgNO3, AgClO4

    (D) none of the above

    Option c – AgF, AgNO3, AgClO4

    When an intimate mixture of potassium dichromate and potassium chloride is heated with conc. H2SO4 which of the following is produced in the form of red vapors ( Class 11 Chemistry MCQ )

    (A) CrO3

    (B) Cr203

    (C) CrO2Cl2

    (D) CrCl3

    Option c – CrO2Cl2

    Which oxide of manganese is acidic in nature

    (A) MnO

    (B) Mn2O7

    (C) Mn2O3

    (D) MnO2

    Option b – Mn2O7

    Which one of the following transition metal ions has the lowest density? ( Class 11 Chemistry MCQ )

    (A) Copper

    (B) Nickel

    (C) Scandium

    (D) Zinc

    Option c – Scandium

    Which of the following oxide of manganese is amphoteric?

    (A) MnO₂

    (B) Mn2O3

    (C) Mn207

    (D) MnO

    Option a – MnO₂

    The last electron in d-bloc – elements ( Class 11 Chemistry MCQ )

    (A) (n-1)d

    (B) nd

    (C) np

    (D) (n-1)s

    Option a – (n-1)d

    Mercury sticks to the surface of the glass when it comes in contact with

    (A) Hg₂O

    (B) HNO3

    (C) O3

    (D) Grease

    Option c – O3

    Excess of KI reacts with CuSO4 solution and then Na2S2O3 solution is added to it. Which of the statements is incorrect for this reaction? ( Class 11 Chemistry MCQ )

    (A) Cu2l2 is formed

    (B) Cul2 is formed

    (C) Na2S2O3 is oxidized

    (D) Evolved I2 is reduced

    Option b – CuI2 is formed

    Calomel (Hg2Cl2) in reaction with ammonium hydroxide gives

    (A) HgNH₂Cl

    (B) NH2-Hg – Hg – Cl

    (C) Hg2O

    (D) HgO

    Option a – HgNH₂Cl

    Amongst the following, the lowest degree of paramagnetism per mole of the compound at 298 K will be shown by ( Class 11 Chemistry MCQ )

    (A) MnSO4 4H₂O

    (B) CuSO4 5H₂O

    (C) FeSO4 6H2O

    (D) NiSO4 6H₂O

    Option b – CuSO4 5H₂O

    Transition metal with low oxidation number will act as

    (A) a base

    (B) an acid

    (C) an oxidizing agent

    (D) none of these

    Option b – an acid

    Iron loses ferromagnetic property at ( Class 11 Chemistry MCQ )

    (A) Curie point

    (B) Boiling point

    (C) Melting point

    (D) 1500 K

    Option a – Curie point

    Which of the following is not the characteristic of zinc?

    (A) It is a volatile metal

    (B) It dissolves in alkali forming sodium zincate

    (C) It is brittle at very high temperatures

    (D) Zinc dust is used as a reducing agent

    Option c – It is brittle at very high temperatures

    Formation of the interstitial compound makes the transition metal ( Class 11 Chemistry MCQ )

    (A) more soft

    (B) more ductile

    (C) more metallic

    (D) more hard

    Option d – more hard

    If a non-metal is added to the interstitial sites of a metal, then the metal becomes

    (A) softer

    (B) less tensile

    (C) less malleable

    (D) more ductile

    Option c – less malleable

    In order to prepare one liter of one normal solution of KMnO4, how many grams of KMnO4 is required, if the solution is to be used in the acid medium for oxidation?

    (A) 158 g

    (B) 31.60 g

    (C) 62.0 g

    (D) 790 g

    Option b – 31.60 g

    Which of the following is ionic in nature?

    (A) CuF2

    (B) CuCl2

    (C) CuBr2

    (D) None of these

    Option a – CuF2

    There are 14 elements in the actinoid series. Which of the following elements does not belong to this series?

    (A) U

    (B) Np

    (C) Tm

    (D) Fm

    Option c – Tm

    Which of the following is amphoteric oxide? Mn2O7, CrO3, Cr2O3, CrO, V2O5, V2O4

    (A) V2O5, Cr2O3

    (B) Mn207, CrO3

    (C) CrO, V2O5

    (D) V2O5, V2O4

    Option a – V2O5, Cr2O3

    Generally, transition elements form colored salts due to the presence of unpaired electrons. Which? of the following compounds will be colored in a solid state?

    (A) Ag2SO4

    (B) CuF2

    (C) ZnF2

    (D) Cu₂Cl₂

    Option b – CuF2

    In addition to a small amount of KMnO4 to concentrated H₂SO4, a green oily compound is obtained which is highly explosive in nature. Identify the compound from the following

    (A) Mn2O7

    (B) MnO₂

    (C) MnSO4

    (D) Mn2O3

    Option a – Mn2O7

    Which of the following oxidation state is common for all lanthanoids?

    (A) +2

    (B) +3

    (C) +4

    (D) +5

    Option b – +3

    The oxygen-carrying pigment, oxyhaemocyarin, containing two copper ions is diamagnetic, because :

    (A) the two copper ions are in a +1 oxidation state

    (B) one of the copper ions is in a +1 oxidation state and the other is in a +2 oxidation state

    (C) there are strong anti-ferromagnetic interactions between the two copper ions

    (D) there are ferromagnetic interactions between the two copper ions

    Option a – the two copper ions are in a +1 oxidation state

    Which of the following oxides will not give metal on heating :

    (A) HgO

    (B) ZnO

    (C) Ag2O

    (D) all

    Option b – ZnO

    The common oxidation state of the elements of the lanthanide series is

    (A) + 2

    (B) + 3

    (C) + 4

    (D) + 1

    Option b – + 3

    In a neutral medium, the equivalent mass of KMnO4 is……… its molecular mass

    (A) 1/3rd

    (B) 1/6th

    (C) 1/2

    (D) None of these

    Option a – 1/3rd

    KMnO4 is ……… soluble in water

    (A) Highly

    (B) Insoluble

    (C) Partially

    (D) None of these

    Option c – Partially

    Platinum metals are

    (A) Ru and Os

    (B) Rh and Ir

    (C) Pd and Pt

    (D) All of these

    Option d – All of these

    An example of an ionic compound is

    (A) CuCl2

    (B) CuF2

    (C) CuBr2

    (D) All of these

    Option b – CuF2

    When MnO2 is fused with KOH, a colored compound is formed, and the product and its color is

    (A) K₂MnO4, green

    (B) KMnO4, purple

    (C) Mn203, brown

    (D) Mn304, black

    Option a – K₂MnO4, green

    When (i) NH4VO3 is heated. ii) (NH4)2 Cr2O7 is heated :

    (A) in both cases, N₂ is formed

    (B) in both cases, NH3 is formed

    (C) in (i) NH3 and in (ii) N₂ are formed

    (D) in (i) N₂ and in (ii) NH3 are formed

    Option c – in (i) NH3 and in (ii) N₂ are formed

    Pyrolusite is chemically

    (A) MnO

    (B) Mn2O3

    (C) MnO2

    (D) None of these

    Option c – MnO2

    With the increase in atomic number the ionic radii of actinides :

    (A) contract slightly

    (B) increase gradually

    (C) show no change

    (D) change irregularly

    Option a – contract slightly

    The nonexistent oxide of Vanadium is

    (A) V₂O3

    (B) VO2

    (C) V3O2

    (D) VO

    Option c – V3O2

    An example of acidic oxide is

    (A) Mn2O3

    (B) Mn3O4

    (C) V3O2

    (D) None of these

    Option d – None of these

    Coagulation of blood takes place by :

    (A) Ferric alum

    (B) potash alum

    (C) both A and B

    (D) none

    Option c – both A and B

    When H₂O2 is added to an acidified solution of K₂Cr₂O7 :

    (A) the solution turns green due to the formation of Cr2O3

    (B) the solution turns yellow due to the formation of K₂CrO4

    (C) a deep blue-violet colored compound Cro (O2)2 is formed

    (D) the solution gives green ppt. of Cr(OH)3

    Option c – a deep blue-violet colored compound Cro (O2)2 is formed

    Select the element in the following which does not show a +4 oxidation state :

    (A) Ti

    (B) Zr

    (C) La

    (D) Pt

    Option c – La

    Calomel on reaction with NH4OH gives

    (A) HgNH₂Cl

    (B) NH2-Hg-Hg-Cl

    (C) Hg2O

    (D) HgO

    Option a – HgNH₂Cl

    Which of the following statement (s) is (are) correct when a mixture of NaCl and K₂Cr2O7 is gently warmed with conc. H₂SO4?

    (A) A deep red vapor is evolved

    (B) The vapor when passed into the NaOH solution gives a yellow solution of Na2CrO4

    (C) Chromyl chloride is formed

    (D) All of these

    Option d – All of these

    In the dichromate dianion

    (A) 4, Cr-O bonds are equivalent

    (B) 6, Cr-O bonds are equivalent

    (C) All, Cr-O bonds are equivalent

    (D) All, Cr-O bonds are non-equivalent

    Option b – 6, Cr-O bonds are equivalent

    Which of the following compounds exhibit the same color in the aqueous solution?

    (A) VOCl₂ & FeCl₂

    (B) FeCl2 & CuCl2

    (C) MnCl2 & FeCl2

    (D) VOCl₂ & CuCl₂

    Option d – VOCl₂ & CuCl₂

    Reduction of the metal center in aqueous permanganate ion involves

    (A) 3 electrons in a neutral medium

    (B) 5 electrons in an acidic medium

    (C) 3 electrons in an alkaline medium

    (D) All of these

    Option d – All of these

    The color of light absorbed by an aqueous solution of CuSO4 is

    (A) orange-red

    (B) blue-green

    (C) yellow

    (D) violet

    Option a – orange-red

    Which of the following hydrogen halides react(s) with AgNO3(aq) to give a precipitate that dissolves in Na2S2O3(aq)?

    (A) HCI

    (B) HI

    (C) HBr

    (D) All of these

    Option d – All of these

    The elements from thorium (At. No. 90) to lawrencium (At. No. 103) in which 5f energy levels are filled up are called :

    (A) lanthanides

    (B) rare earth

    (C) actinides

    (D) transuranic

    Option c – actinides

    CuSO4.5H2O on heating upto 370K forms

    (A) CuSO4 H₂O

    (B) CuSO4

    (C) CuSO4.3H₂O

    (D) Cu₂0

    Option a – CuSO4 H₂O

    Spitting of silver is due to the absorption of

    (A) CO₂

    (B) H₂S

    (C) H₂

    (D) O2

    Option d – O2

    Purple of Cassius is

    (A) AuCl₂

    (B) AuCl4

    (C) Colloidal gold

    (D) None of these

    Option c – Colloidal gold

    Calamine is chemically

    (A) ZnS

    (B) ZnCO3

    (C) ZnO.Fe2O3

    (D) ZnO

    Option b – ZnCO3

    Excess of KI reacts with CuSO4 solution and then Na2S2O3 solution is added to it. Which of the statements is incorrect for this reaction

    (A) Evolved I2 is reduced

    (B) Cul2 is formed

    (C) Na2S203 is oxidised

    (D) Cu2l2 is formed

    Option b – Cul2 is formed

    Ammonium dichromate on heating forms

    (A) Cr₂O3

    (B) N₂

    (C) None

    (D) Both (A) & (B)

    Option d – Both (A) & (B)

    Stellite, an alloy of chromium contains

    (A) Co

    (B) W

    (C) Both (A) & (B)

    (D) All of these

    Option c – Both (A) & (B)

    Transition elements are frequently used as catalysts because of

    (A) Large ionic charge

    (B) Large surface area for the reactants to be absorbed

    (C) Unpaired d-electrons

    (D) Both (B) and (C) are correct

    Option d – Both (B) and (C) are correct

    The transition element not resistant to corrosion is

    (A) Fe

    (B) Ni

    (C) Co

    (D) All of these

    Option a – Fe

    The element present in red blood cells of a man is

    (A) Fe

    (B) Ra

    (C) Co

    (D) All of these

    Option a – Fe

    Iron is rendered passive by treatment with

    (A) Conc. HCI

    (B) Conc. HNO3

    (C) Conc. HNO2

    (D) All of these

    Option b – Conc. HNO3

    Rusting of iron in moist air involves

    (A) Loss of electrons by Fe

    (B) Gain of electrons by Fe

    (C) Neither gain nor loss of electrons

    (D) Hydrogenation of Fe

    Option a – Loss of electrons by Fe

    Mond’s process is used to prepare

    (A) Fe

    (B) Ni

    (C) Co

    (D) HNO3

    Option b – Ni

    Which of the following is only soluble in aqua regia?

    (A) Co

    (B) Fe

    (C) Ni

    (D) Au

    Option d – Au

    Which one of the following metals corrodes readily in moist air?

    (A) Au

    (B) Ag

    (C) Fe

    (D) Ni

    Option c – Fe

    The transition element present in vitamin B12 is

    (A) Mg

    (B) Co

    (C) Zn

    (D) Fe

    Option b – Co

    Chlorine oxidizes sodium thiosulphate to form

    (A) Na₂SO3

    (B) Na₂O

    (C) Na₂SO4

    (D) Na₂CO3

    Option c – Na₂SO4

    Which one of the following statements regarding helium is incorrect?

    (A) It is used to fill gas in balloons instead of hydrogen because it is lighter and noninflammable.

    (B) It is used as a cryogenic agent for carrying out experiments at low temperatures

    (C) It is used to produce and sustain powerful superconducting magnets.

    (D) It is used in gas-cooled nuclear reactors.

    Option a – It is used to fill gas in balloons instead of hydrogen because it is lighter and noninflammable

    Choose the incorrect formula out of the four compounds for an element X given below.

    (A) X₂Cl3

    (B) X₂03

    (C) X2(SO4)3

    (D) XPO4

    Option a – X₂Cl3

    Which compound has a planar structure?

    (A) XeF4

    (B) XeOF2

    (C) XeO₂F2

    D) XeO4

    Option a – XeF4

    Which one of the following reactions of the Xenon compound is not feasible?

    (A) XeO3+6HF → XeF6+3H₂O

    (B) 3XeF4+6H₂O → 2Xe+XeO3+12 HF +1.5 O2

    (C) 2XeF2+2H₂O2 → Xe+4HF + O₂

    (D) XeF6+RbF→ Rb(XeF7)

    Option a – XeO3+6HF → XeF6+3H₂O

    The correct order of solubility in water for He, Ne, Ar, Kr, and Xe is

    (A) He > Ne > Ae > Kr> Xe

    (B) Xe > Kr> Ar> Ne > He

    (C) Ne > Ar> Kr> He > Xe

    (D) Ar > Ne > He> Kr> Xe

    Option b – Xe > Kr> Ar> Ne > He

    In XeF2, XeF4, and XeF6 the number of lone pairs on Xe are respectively?

    (A) 2, 3, 1

    (B) 1, 2, 3

    (C) 4, 1, 2

    (D) 3, 2, 1

    Option d – 3, 2, 1

    Euchlorine is produced by heating a mixture of

    (A) KCI +conc. H₂SO4

    (B) KCl+conc. HCI

    (C) K₂CIO3+conc. H₂SO4

    (D) KClO3+conc. HCI

    Option d – KClO3+conc. HCl

    Which is the strongest acid in the following?

    (A) HCIO4

    (B) H₂SO3

    (C) H₂SO4

    (D) HCIO3

    Option a – HClO4

    The least number of oxyacids are formed by

    (A) nitrogen

    (B) sulfur

    (C) fluorine

    (D) chlorine

    Option c – fluorine

    Which one of the following is responsible for the depletion of the ozone layer in the upper strata of the atmosphere?

    (A) Polyhalogens

    (B) Ferrocene

    (C) Fullerneces

    (D) Freons

    Option d – Freons

    In which of the following molecules are all the bonds not equal?

    (A) NF3

    (B) CIF3

    (C) BF3

    (D) AlF3

    Option b – ClF3

    Tincture iodine is

    (A) an aqueous solution of I₂

    (B) a solution of I₂ in aqueous KI

    (C) alxoholoc solution of I₂

    (D) an aqueous solution

    Option b – a solution of I₂ in aqueous KI

    F₂ formed by reaction K₂MnF6 with

    (A) SbF5

    (B) MnF3

    (C) KSbF6

    (D) MnF4

    Option a – SbF5

    For electron affinity of halogens which of the following is correct?

    (A) Br > F

    (B) F > Cl

    (C) Br > Cl

    (D) F > I

    Option d – F > I

    Which of the following hydrogen halide is the most basic?

    (A) HF

    (B) HCI

    (C) HBr

    (D) HI

    Option a – HF

    Which of the following is true about ClO2?

    (A) It is paramagnetic

    (B) It dimerizes in the liquid phase

    (C) It is a linear molecule

    (D) It is very reactive

    Option a – It is paramagnetic

    We covered all the class 11 chemistry chapter 3 mcq above in this post for free so that you can practice well for the exam.

    Check out the latest MCQ content by visiting our mcqtube website homepage.

    Also, check out:

    Hello, I am the admin of mcqtube.com website. I am a blogger and app developer. Thanks.

    Leave a Comment

    Floating ChatBot
    Ask

    Doubt?, Ask me Anything



    Sticky Bottom Popup