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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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Related Posts:
- Chemical Kinetics MCQ for NEET
- Solution and Colligative Properties MCQ for NEET
- States of Matter Class 11 MCQ for NEET
MCQ on States of Matter for NEET Students
Which of the following accurately describes the structure of the P₄ molecule found in white phosphorus?
(A) It contains three P–P single bonds
(B) It has four electron lone pairs
(C) It features five P–P single bonds
(D) It holds six lone pairs of electrons
Option b – It has four electron lone pairs
A hydrocarbon ‘Z’ reacts with warm dilute H₂SO₄ in the presence of HgSO₄ at 333 K to produce compound X, which then rearranges to form propanone. Identify ‘Z’.
(A) Propanol
(B) Propanal
(C) Propyne
(D) Propene
Option c – Propyne
Which of the following statements is INCORRECT regarding d- and l-forms of a compound?
(A) They are non-superimposable mirror images
(B) These are also referred to as optical antipodes
(C) They rotate plane-polarized light in opposite directions
(D) They differ in chemical properties but react at the same rate
Option d – They differ in chemical properties but react at the same rate
A hydrocarbon has 60% carbon content. What mass of CO₂ will be formed when 0.6 g of this compound undergoes complete combustion?
(A) 2.64 g
(B) 1.32 g
(C) 0.65 g
(D) 0.6 g
Option b – 1.32 g
How many lone electron pairs are present in the N₂O₃ molecule?
(A) 2
(B) 6
(C) 7
(D) 8
Option d – 8
Which of the following statements about alkaline earth metal carbonates is INCORRECT?
(A) Barium carbonate dissolves less in water than magnesium carbonate
(B) Beryllium carbonate is the most thermally stable of the group
(C) Heating any of these carbonates produces metal oxide and CO₂
(D) Solubility in water decreases from top to bottom in the group
Option b – Beryllium carbonate is the most thermally stable of the group
What is the bond order of the superoxide ion (O₂⁻)?
(A) 2.5
(B) 2
(C) 1.5
(D) 1
Option c – 1.5
Which compound provides the nitrogen source in Gabriel phthalimide synthesis of amines?
(A) Sodium azide (NaN₃)
(B) Sodium nitrite (NaNO₂)
(C) Potassium cyanide (KCN)
(D) Potassium phthalimide
Option d – Potassium phthalimide
Zone refining separates metals based on the principle that:
(A) Metals with lower boiling points can be distilled off
(B) Impurities are more soluble in molten form than in solid state
(C) Components adsorb differently onto an adsorbent
(D) Volatile metal vapors decompose into pure metal
Option b – Impurities are more soluble in molten form than in solid state
Which compound is a synthetic derivative of progesterone?
(A) Novestrol
(B) Norethindrone
(C) Chloroxylenol
(D) Cholesterol
Option b – Norethindrone
Bakelite is synthesized by the polymerization of:
(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 dye is formed when benzene diazonium chloride couples with phenol. What is the identity of this dye?
(A) p-Hydroxyazobenzene
(B) p-Nitrophenol
(C) m-Hydroxyazobenzene
(D) p-Aminoazobenzene
Option a – p-Hydroxyazobenzene
Osmosis can be reversed by:
(A) Applying pressure higher than osmotic pressure on the concentrated solution side
(B) Applying pressure greater than osmotic pressure on the dilute solution side
(C) Applying lower pressure on the concentrated solution side
(D) Applying equal pressure on both sides of the membrane
Option a – Applying pressure higher than osmotic pressure on the concentrated solution side
When a 20 g mixture of ethanol and acetaldehyde is heated with Fehling’s solution, it produces 14.3 g of a red precipitate. What is the percentage of acetaldehyde in the mixture?
(A) 30%
(B) 15%
(C) 22%
(D) 11%
Option c – 22%
Identify the INCORRECT statement related to Molecular Orbital Theory (MOT):
(A) Electrons in molecules are found in molecular orbitals
(B) Atomic orbitals with similar energies and symmetry can combine
(C) Molecular orbitals are spread over more than one nucleus
(D) Bonding molecular orbitals possess higher energy than antibonding orbitals
Which colloidal silver preparation is used as an eye lotion?
(A) Colloidal gold
(B) Colloidal antimony
(C) Argyrol
(D) Milk of magnesia
Option c – Argyrol
Which reagent is used to oxidize CH₃CH₂CH₂CH₂CH₂OH into CH₃CH₂CH₂CH₂COOH?
(A) Tollen’s reagent
(B) Jones reagent
(C) Fehling’s reagent
(D) Schiff’s reagent
Option b – Jones reagent
What is the compound formed when diborane reacts with trimethylamine?
(A) B₂H₆·2NH₃
(B) B₃N₃H₆
(C) BH₃·NMe₃
(D) B₂H₆·2NMe₃
Option c – BH₃·NMe₃
Choose the correct order of first ionization energies:
(A) C < Si < Ge
(B) C > Si > Ge
(C) Ge < C < Si
(D) Si > C > Ge
Option b – C > Si > Ge
Which of the following is an electron-precise hydride?
(A) NH₃
(B) CH₄
(C) H₂O
(D) B₂H₆
Option b – CH₄
Identify the catalyst used in the contact process for manufacturing sulfuric acid:
(A) Iron
(B) Vanadium(V) oxide
(C) Raney nickel
(D) Anhydrous aluminium chloride
Option b – Vanadium(V) oxide
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