Which of the following leads to carbon-carbon double bond?

1.	Which of the following leads to carbon-carbon double bond?
A.	\[1{}^\circ \] Amine + \[RCHO\to \]
B.	\[2{}^\circ \] Amine + \[{{R}_{2}}CO\to \]
C.	\[2{}^\circ \] Amine + \[RCHO\to \]
D.	Both [b] and [c]
Answer» E.

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Which of the following leads to carbon-carbon double bond?

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