Te end product (B) formed in the reactio...

Te end product `(B)` formed in the reaction sequence ph `CHO underset(heat)overset(CH_(3)CH_(2)NH_(2))rarrA underset(CH_(3)OH)overset(NaBH_(3)CN)rarrB` will be .

`Phoverset(CN)overset(|)(CHNHCH_(2)CH_(3))`

`PhCH_(2)NHCH_(2)CH_(3)`

`PhCH=NHCH_(2)CH_(3)`

`PhCONHCH_(2)CH_(3)`

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The correct Answer is:

Step 1 involves formation of an imine which on reducation in step2 yields secondary amine

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