Chemistry-Isomerism

NEET Chemistry Isomerism MCQ Question

Type: MCQ-conceptual-Medium-Class 11

Which of the following statements about the determination of organic compounds is correct?

A

Dumas and Kjeldahl's methods are used for estimating nitrogen in organic compounds.

B

Lassaigne’s test is applicable only for the detection of halogens in organic compounds.

C

The percentage of carbon in organic compounds can only be determined through combustion analysis.

D

Qualitative analysis involves the estimation of the exact quantities of elements present in a compound.

Correct Answer

Option A

Detailed Explanation

Dumas and Kjeldahl's methods are indeed used for estimating nitrogen in organic compounds, as stated in the NCERT context. Lassaigne's test is broader, and carbon estimation can be done through various methods, not just combustion. Qualitative analysis focuses on identifying elements, not quantifying them.

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