Benzaldehyde and Benzoic AcidHard
Question
Benzaldehyde 
cinnamic acid ′I′ in the above reaction is obtained by −
cinnamic acid ′I′ in the above reaction is obtained by −Options
A.CH3COOH + PCl5
B.CH3CH2OH + K2Cr2O7/H2SO4
C.CH3COCl + CH3COONa
D.CH3CONH2 + P2O5
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