MHT CET Chemistry question

ChemistryHaloalkanes and HaloarenesMHT CET

Compounds 'A' and 'B' are the isomers of each other. 'A' gives effervescence due to a colourless gas on treatment with washing soda, while 'B' reacts with Grignard reagent to give an aldehyde. The compounds 'A' and 'B' are respectively

Answer: (D)

Solution

A is an acid (liberates with ) and B is a formate ester, since only formates give an aldehyde with one equivalent of Grignard reagent; acetic acid and methyl

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Question ID VK-080826