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Given below are two statements : Statement-I : Sulphanilic acid gives esterification test for carboxyl group. Statement-II : Sulphanilic acid gives red colour in Lassaigne's test for extra element detection. In the light of the above statement choose the most appropriate answer from the options given below :

1. Statement I is incorrect but Statement II is correct
2. Both Statement I and Statement II are incorrect
3. Statement I is correct but Statement II is incorrect
4. Both Statement I and Statement II are correct

Correct answer: Statement I is incorrect but Statement II is correct

Solution

Statement I is incorrect because sulphanilic acid does not have a carboxyl group that would participate in esterification, while Statement II is correct as sulphanilic acid does produce a red color in Lassaigne's test, indicating the presence of nitrogen.

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