NEET 2011 Chemistry question

ChemistryAldehydes, Ketones and Carboxylic AcidsNEET 2011

Match the compounds given in List-I with List-II and select the suitable option using the code given below : List-I (a) Benzaldehyde (b) Phthalic anhydride (c) Phenyl benzoate (d) Methyl salicylate List-II (i) Phenolphthalein (ii) Benzoin condensation (iii) Oil of wintergreen (iv) Fries rearrangement Code :

Answer: (4)

Solution

(a) Benzaldehyde, with cyanide ion as catalyst, undergoes benzoin condensation to give benzoin : (a) matches (ii). (b) Phthalic anhydride condenses with two molecules of phenol (acid catalyst) to give phenolphthalein: (b) matches (i). (c)

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Question ID VK-090669