AIIMS2014Chemistry-Organic Chemistry
AIIMS 2014 Chemistry Organic Chemistry MCQ Question
Type: MCQ-conceptual-Medium-Class 11
An organic compound which produces a bluish green coloured flame on heating in presence of copper is
A
chlorobenzene
B
benzaldehyde
C
aniline
D
benzoic acid
Correct Answer
Option A
Detailed Explanation
The correct answer is A) chlorobenzene because when heated in the presence of copper, chlorobenzene undergoes dehydrochlorination and forms a copper complex that emits a bluish-green flame due to the presence of copper(II) chloride. This characteristic flame color is a distinctive indicator of the compound, differentiating it from the other options listed, which do not exhibit this reaction.
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