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Q.
Acetaldehyde reacts with $C_2H_5MgCl$ the final product is
Aldehydes Ketones and Carboxylic Acids
Solution:
$CH _{3}- \overset{\underset{|}{H}}{C} = O + C _{2} H _{3} Mg Cl\longrightarrow ?$
$C _{2} H _{3} MgCl \rightarrow$ grignard reagent which give addition Reaction with carbonyl compound.