The structure of A in the given reaction is:





The correct answer is (C):

Convert Ethanal to But-2-enal
Write structure of the products of the following reactions: 
Method used for separation of mixture of products (B and C) obtained in the following reaction is: 
Which of the following best represents the temperature versus heat supplied graph for water, in the range of \(-20^\circ\text{C}\) to \(120^\circ\text{C}\)? 






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