States of Matter Class 11 NEET Questions. We covered all the States of Matter Class 11 NEET Questions in this post for free so that you can practice well for the exam.
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MCQ on States of Matter for NEET Students
Which of the following is CORRECT for the P4 molecule of white phosphorus?
(A) It has three P-P single bonds.
(B) It has four lone pairs of electrons.
(C) It has five P-P single bonds.
(D) It has six lone pairs of electrons.
Option b – It has four lone pairs of electrons.
A hydrocarbon ‘Z’ on treating with warm mercuric sulphate and dilute sulphuric acid at 333 K gives a product X which undergoes isomerization to form a carbonyl compound named propanone. Identify the hydrocarbon ‘Z’.
(A) Propanol
(B) Propanal
(C) Propyne
(D) Propene
Option c – Propyne
Which of the following statement is INCORRECT with the context of d and/or forms of a compound?
(A) The d and I forms are non-super imposable mirror images of each other.
(B) These forms are also called optical anti-podes.
(C) They have a different direction for optical rotation.
(D) They have different chemical properties but the same rate of reaction.
Option d – They have different chemical properties but the same rate of reaction.
A hydrocarbon has 60% C. How much CO₂ in g will be obtained on complete combustion of 0.6 g of hydrocarbon?
(A) 2.64 g
(B) 1.32 g
(C) 0.65 g
(D) 0.6 g
Option b – 1.32 g
The number of lone pairs of electrons in N₂O3 is ……..
(A) 2
(B) 6
(C) 7
(D) 8
Option d – 8
Which of the following is INCORRECT regarding the carbonates of alkaline earth metals?
(A) The solubility of barium carbonate in water is less than that of magnesium carbonate.
(B) Beryllium carbonate is thermally the most stable among these carbonates.
(C) All these carbonates decompose on heating to give the corresponding oxide and CO2.
(D) The solubility of these carbonates in water decreases down the group.
Option b – Beryllium carbonate is thermally the most stable among these carbonates.
The calculated bond order in the superoxide (O₂) ion is ……..
(A) 2.5
(B) 2
(C) 1.5
(D) 1
Option c – 1.5
The source of nitrogen in Gabriel’s synthesis of amines is ………
(A) sodium azide, NaN3
(B) sodium nitrite, NaNO₂
(C) potassium cyanide, KCN
(D) potassium phthalimide, C6H4(CO)2N K
Option d – potassium phthalimide, C6H4(CO)2N K
Zone refining is based on the principle that ………
(A) impurities of low boiling metals can be separated by distillation
(B) impurities are more soluble in molten metal than in solid metal
(C) different components of a mixture are differently adsorbed on an adsorbent
(D) vapors of the volatile compound can be decomposed into pure metal
Option b – impurities are more soluble in molten metal than in solid metal
Which of the following is a synthetic progesterone derivative?
(A) Novestrol
(B) Norethindrone
(C) Chloroxylenol
(D) Cholesterol
Option b – Norethindrone
Bakelite is a polymer obtained from which of the following monomeric units?
(A) Urea and formaldehyde
(B) Phenol and formaldehyde
(C) Ethylene glycol and phthalic acid
(D) 1,3-butadiene and acrylonitrile
Option b – Phenol and formaldehyde
An orange-colored dye (X) is obtained when benzene diazonium chloride undergoes a coupling reaction with phenol. Identify the product ‘X’ obtained.
(A) p-Hydroxyazobenzene
(B) p-Nitrophenol
(C) m-Hydroxyazobenzene
(D) p-Aminoazobenzene
Option a – p-Hydroxyazobenzene
The direction of osmosis can be reversed if ………
(A) pressure larger than the osmotic pressure is applied to the side containing the concentrated solution
(B) pressure larger than the osmotic pressure is applied to the side containing the dilute solution
(C) pressure lesser than the osmotic pressure is applied to the side containing the concentrated solution
(D) pressure equal to osmotic pressure is applied to both sides
Option a – pressure larger than the osmotic pressure is applied to the side containing the concentrated solution
20 g mixture of ethanol and acetaldehyde when heated with Fehling solution gave 14.3 g of reddish brown ppt. What is the percentage of acetaldehyde in the mixture?
(A) 30%
(B) 15%
(C) 22%
(D) 11%
Option c – 22%
Which of the following statements is INCORRECT regarding the Molecular Orbital Theory (MOT)?
(A) The electrons in a molecule are present in various molecular orbitals.
(B) The atomic orbitals of comparable energies and proper symmetry combine to form a molecular orbital.
(C) A molecular orbital is polycentric.
(D) The bonding molecular orbital has higher energy and hence greater stability than the corresponding antibonding molecular orbital.
Option d – The bonding molecular orbital has higher energy and hence greater stability than the corresponding antibonding molecular orbital.
………. is a silver sol that is used as an eye lotion.
(A) Colloidal gold
(B) Colloidal antimony
(C) Argyrol
(D) Milk of magnesia
Option c – Argyrol
Identify the reagent used in the following reaction. CH3CH3CH₂CH₂CH₂OH -> CH3CH₂CH₂CH₂COOH
(A) Tollen’s reagent
(B) Jones reagent
(C) Fehling’s reagent
(D) Schiff’s reagent
Option b – Jones reagent
Identify the product formed when diborane reacts with trimethylamine.
(A) B₂H6.2NH3
(B) B3N3H6
(C) BH3.NMe3
(D) B₂H6.2NMe3
Option c – BH3.NMe3
Determine of first the CORRECT order of first ionization potential.
(A) C < Si < Ge
(B) C > Si > Ge
(C) Ge < C < Si
(D) Si > C > Ge
Option b – C > Si > Ge
Among the following, the electron-precise hydride is ………
(A) NH3
(B) CH4
(C) H₂O
(D) B₂H6
Option b – CH4
………. is used as a catalyst in the manufacture of sulphuric acid by contact process.
(A) Iron
(B) Divanadium pentoxide
(C) Raney nickel
(D) Anhydrous AlCl3
Option b – Divanadium pentoxide
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