1.

\[{{C}_{6}}{{H}_{5}}-CH=CHCHO\xrightarrow{X}{{C}_{6}}{{H}_{5}}CH=CHC{{H}_{2}}OH\]. In the above sequence X can be                 [DCE 2004]

A.                 \[{{H}_{2}}/Ni\]               
B.                 \[NaB{{H}_{4}}\]
C.                 \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}/{{H}^{+}}\]            
D.                 Both A and B
Answer» C.                 \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}/{{H}^{+}}\]            


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