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GS
GS Set-1
Chemistry
Organic Chemistry
143

Organic Chemistry MCQ with Answers

143) Mark the correct statement:

Methyl amine is slightly acidic

Methyl amine is less basic than NH₃

Methyl amine is stronger base than NH₃

Methyl amine forms salts with alkalis

Answer is:

Methyl amine is stronger base than NH₃

Explanation:

Presence of alkyl groups increases the electron density on nitrogen atom due to +I effect. Thus, basic nature increases.

Organic Chemistry MCQ with Answers

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144) The maximum number of −NO₂ groups that can be introduced by nitration in benzene is usually:

Answer is:

3

145) p−nitrobromobenzene can be converted to p−nitroaniline by using NaNH₂. The reaction proceeds through the intermediate:

Carbocation

Carbanion

Benzyne

Dianion

Answer is:

Benzyne

146) An organic compound consumes 4 moles of periodic acid to form following compounds per mole of the starting compounds, HCHO, 3HCOOH and CHOCOOH. The organic compound is:

Glucose

Fructose

Gluconic acid

Sorbitol

Answer is:

Gluconic acid

147) The ring structure of glucose is due to the formation of hemiacetal and ring formation between:

C₁ and C₂

C₁ and C₄

C₁ and C₃

C₁ and C₅

Answer is:

C₁ and C₅

Organic Chemistry MCQ with Answers

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143) Mark the correct statement:

Methyl amine is stronger base than NH3

Organic Chemistry MCQ with Answers

Related Organic Chemistry MCQ with Answers

144) The maximum number of −NO2 groups that can be introduced by nitration in benzene is usually:

3

145) p−nitrobromobenzene can be converted to p−nitroaniline by using NaNH2. The reaction proceeds through the intermediate:

Benzyne

146) An organic compound consumes 4 moles of periodic acid to form following compounds per mole of the starting compounds, HCHO, 3HCOOH and CHOCOOH. The organic compound is:

Gluconic acid

147) The ring structure of glucose is due to the formation of hemiacetal and ring formation between:

C1 and C5

Organic Chemistry MCQ with Answers

Methyl amine is stronger base than NH₃

144) The maximum number of −NO₂ groups that can be introduced by nitration in benzene is usually:

145) p−nitrobromobenzene can be converted to p−nitroaniline by using NaNH₂. The reaction proceeds through the intermediate:

C₁ and C₅