Organic Chemistry MCQ question and answer with solution | Chemistry Gk MCQs Page-4 section-1

Section 1 Section 2 Section 3

31.
Which of the following alternative means is visually dense?

A. air

B. turpentine

C. benzene

D. wate

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32.
Which of the following is an unsaturated hydrocarbon?

A. Butane

B. Pentane

C. Ethine

D. Propane

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33.
The number of chain isomers of C₇H₁₆ are

A. 9

B. 4

C. 6

D. 7

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34.
Assertion (A) Hydrocarbons are very good fuels.
Reason (R) The main sources of hydrocarbons are natural gas, petroleum and coal.

A. Both A and R are true and R is the correct explanation of A

B. Both A and R are true, but R is not the correct explanation of A

C. A is true, but R is false

D. A is false, but R is true

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35.
Which of the following matches is correct?

A. Pantene: CH₃ - CH₂ - CH - CH = CH₂

B. Butene: CH₃ - CH₂ - CH = CH₂

C. Ethene: CH₂ = CH₃

D. Propene: CH₃ - CH₂ = CH₂

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36.
. . . . . . . . reacts in the presence of an acid or base to give back alcohol and carboxylic acids-

A. ethanol

B. methanol

C. ester

D. ketone

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37.
. . . . . . . . is the primary acid present in ripe bananas.

A. Formic acid

B. Sulphuric acid

C. Malic acid

D. Hydrochloric acid

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38.
A class of compounds that are used as fragrances . . . . . . . .

A. amino acid

B. aromatic mixture

C. ester

D. bio-acid

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39.
In which of the following functional group isomerism is not possible?

A. Alcohols

B. Aldehydes

C. Alkyl halides

D. Cyanides

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40.
Which of the following is a sweet smelling substance?

A. Ammonia

B. Methanol

C. Esters

D. Ethanol

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Organic Chemistry MCQ question and answer with solution | Chemistry Gk MCQs

31. Which of the following alternative means is visually dense?

Answer & Solution

32. Which of the following is an unsaturated hydrocarbon?

Answer & Solution

33. The number of chain isomers of C7H16 are

Answer & Solution

34. Assertion (A) Hydrocarbons are very good fuels. Reason (R) The main sources of hydrocarbons are natural gas, petroleum and coal.

Answer & Solution

35. Which of the following matches is correct?

Answer & Solution

36. . . . . . . . . reacts in the presence of an acid or base to give back alcohol and carboxylic acids-

Answer & Solution

37. . . . . . . . . is the primary acid present in ripe bananas.

Answer & Solution

38. A class of compounds that are used as fragrances . . . . . . . .

Answer & Solution

39. In which of the following functional group isomerism is not possible?

Answer & Solution

40. Which of the following is a sweet smelling substance?

Answer & Solution

Read More Section(Organic Chemistry)

31.
Which of the following alternative means is visually dense?

32.
Which of the following is an unsaturated hydrocarbon?

33.
The number of chain isomers of C₇H₁₆ are

34.
Assertion (A) Hydrocarbons are very good fuels.
Reason (R) The main sources of hydrocarbons are natural gas, petroleum and coal.

35.
Which of the following matches is correct?

36.
. . . . . . . . reacts in the presence of an acid or base to give back alcohol and carboxylic acids-

37.
. . . . . . . . is the primary acid present in ripe bananas.

38.
A class of compounds that are used as fragrances . . . . . . . .

39.
In which of the following functional group isomerism is not possible?

40.
Which of the following is a sweet smelling substance?