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Benzene Properties MDCAT MCQs with Answers

Welcome to the Benzene Properties MDCAT MCQs with Answers. In this post, we have shared Benzene Properties Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Chemistry offers a chance to enhance your knowledge regarding Benzene Properties MCQs in this MDCAT Online Test.

Benzene is primarily classified as which type of hydrocarbon?
a) Alkane
b) Alkene
c) Aromatic
d) Alkyne

Answer
c

Benzene has a boiling point of approximately:
a) 80°C
b) 100°C
c) 120°C
d) 160°C

Answer
d

The density of benzene is:
a) 0.80 g/cm³
b) 0.90 g/cm³
c) 1.00 g/cm³
d) 1.10 g/cm³

Answer
b

Benzene is soluble in:
a) Water
b) Ethanol
c) Organic solvents
d) Salt solutions

Answer
c

Which property of benzene is characteristic of its aromatic nature?
a) High melting point
b) High reactivity
c) Delocalized π-electrons
d) Low density

Answer
c

Benzene reacts with bromine in the presence of a catalyst to form:
a) Benzene bromide
b) Benzene chloride
c) Benzene oxide
d) Benzene peroxide

Answer
a

Benzene’s melting point is:
a) 5.5°C
b) 10.0°C
c) 20.0°C
d) 30.0°C

Answer
a

The solubility of benzene in water is:
a) High
b) Moderate
c) Low
d) None

Answer
c

Benzene is used as a solvent due to its:
a) High boiling point
b) Non-polar nature
c) High density
d) High melting point

Answer
b

Benzene has a characteristic odor that is:
a) Sweet
b) Musty
c) Pungent
d) Pleasant

Answer
d

Benzene’s characteristic chemical reactivity includes:
a) Addition reactions
b) Substitution reactions
c) Oxidation reactions
d) Hydrolysis reactions

Answer
b

Benzene is:
a) A saturated hydrocarbon
b) An unsaturated hydrocarbon
c) A polymer
d) An inorganic compound

Answer
b

Benzene’s reactivity towards electrophiles is explained by its:
a) High electron density
b) Low electron density
c) Non-planarity
d) Polar nature

Answer
a

Benzene is primarily used as a:
a) Fuel
b) Solvent
c) Food additive
d) Fertilizer

Answer
b

Which of the following is a physical property of benzene?
a) It is highly reactive with water
b) It is a colorless liquid
c) It has a high boiling point
d) It is highly soluble in water

Answer
b

The presence of which functional group in benzene affects its reactivity?
a) Hydroxyl group
b) Carbonyl group
c) Amino group
d) All of the above

Answer
d

Benzene undergoes which type of reaction with nitric acid?
a) Addition
b) Substitution
c) Hydrolysis
d) Oxidation

Answer
b

The primary hazard of benzene is:
a) It is highly flammable
b) It is highly corrosive
c) It is a strong oxidizer
d) It is a strong acid

Answer
a

The benzene ring is often used in:
a) Synthetic dyes
b) Pharmaceuticals
c) Plastics
d) All of the above

Answer
d

Benzene’s interaction with nitric acid produces:
a) Nitrobenzene
b) Benzyl alcohol
c) Benzene diol
d) Benzene chloride

Answer
a

Benzene’s high stability is due to its:
a) Cyclic structure
b) Non-aromatic nature
c) Electrophilic substitution
d) Lack of resonance

Answer
a

Which property of benzene makes it useful as an industrial solvent?
a) Its high reactivity
b) Its low boiling point
c) Its non-polarity
d) Its high density

Answer
c

Benzene reacts with chlorine in the presence of a catalyst to form:
a) Benzyl chloride
b) Chlorobenzene
c) Benzene chloride
d) Dichlorobenzene

Answer
b

In terms of chemical reactivity, benzene is:
a) Highly reactive due to its double bonds
b) Less reactive due to its aromatic stability
c) Moderately reactive
d) Non-reactive

Answer
b

The molecular formula of benzene is:
a) C6H12
b) C6H6
c) C6H10
d) C6H14

Answer
b

Benzene’s boiling point is affected by:
a) The size of its molecules
b) The number of hydrogen atoms
c) The presence of functional groups
d) The presence of resonance stabilization

Answer
d

Benzene reacts with sulfuric acid to form:
a) Sulfonic acid
b) Sulfide
c) Sulfate
d) Sulfoxide

Answer
a

The color of benzene is:
a) Blue
b) Green
c) Colorless
d) Red

Answer
c

Benzene is a liquid at room temperature due to its:
a) High molecular weight
b) High boiling point
c) Low melting point
d) High density

Answer
b

Benzene’s aromatic ring results in:
a) Equal bond lengths
b) Alternating double bonds
c) High acidity
d) Non-planar geometry

Answer
a

Benzene’s interaction with strong oxidizers results in:
a) Complete oxidation to carbon dioxide
b) Formation of benzene oxide
c) No reaction
d) Formation of benzene chlorides

Answer
a

The reactivity of benzene can be increased by:
a) Increasing temperature
b) Adding catalysts
c) Changing its molecular weight
d) Reducing its density

Answer
b

Benzene’s structure is:
a) Linear
b) Planar
c) Tetrahedral
d) Trigonal pyramidal

Answer
b

The combustion of benzene produces:
a) Benzene oxides
b) Carbon dioxide and water
c) Benzene acids
d) Benzene alcohols

Answer
b

Benzene is not soluble in:
a) Alcohol
b) Water
c) Ether
d) Acetone

Answer
b

The characteristic smell of benzene is described as:
a) Fruity
b) Sweet
c) Spicy
d) Musty

Answer
b

Benzene undergoes which reaction type with sulfuric acid?
a) Substitution
b) Addition
c) Decomposition
d) Reduction

Answer
a

The bond length in benzene is:
a) Longer than in single bonds
b) Shorter than in double bonds
c) Intermediate between single and double bonds
d) Equal to double bonds

Answer
c

The reaction of benzene with alkyl halides requires:
a) A reducing agent
b) An acid catalyst
c) A base catalyst
d) A heat source

Answer
b

Benzene’s chemical stability is attributed to:
a) Its high reactivity
b) Its aromatic ring
c) Its non-polarity
d) Its high density

Answer
b

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