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Two aliphatic aldehydes (P) and (Q) reac...

Two aliphatic aldehydes (P) and (Q) react in the presence of aqueous `K_(2)CO_(3)` to give compound (R ) which upon treatment with HCN gives compound(S). On acidification and heating, (S) gives the product shown below:

Compounds (P) and (Q), respectively, are:

A

`H_(3)C-overset(CH_(3))overset(|)(CH)-underset(O)underset(||)C-Hand H_(3)C-underset(O)underset(||)C-H`

B

`H_(3)C-overset(CH_(3))overset(|)(CH)-underset(O)underset(||)C-Hand HC-underset(O)underset(||)C-H`

C

`H_(3)-underset(CH_(3))underset(|)(CH)-CH_(3)-underset(O)underset(||)C-Hand H_(3)C-underset(O)underset(||)C-H`

D

`H_(3)C-underset(CH_(3))underset(|)(CH)-CH_(2)-underset(O)underset(||)C-H and H-underset(O)underset(||)C-H`

Text Solution

Verified by Experts

The correct Answer is:
B
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