Biology NEET Previous Year Question Paper NEET 2022 Previous Year Question Paper Single Correct MCQ
Published on: August 12, 2026

Given below are two statements:

Statement I: Primary aliphatic amines react with HNO 2 to give unstable diazonium salts.

Statement II: Primary aromatic amines react with HNO 2 to form diazonium salts which are stable even above 300 K.

In the light of the above statements, choose the most appropriate answer from the options given below:

A
Both Statement 1 and Statement II are correct
B
Both Statement 1 and Statement II are incorrect.
C
Statement I is correct but Statement II is incorrect
D
Statement I is incorrect but Statement II is correct

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Text Solution

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The correct answer is:
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Primary aliphatic amines react with HNO 2 and give unstable diazonium salt which turns into alcohol.

Primary aromatic amines reacts with HNO 2 and yields stable diazonium salt which are stable at 273 to 278 K due to resonanace stabilisation of aromatic ring, but at higher temperature, they are unstable.

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