Class 12 NEET Chemistry Aldehydes, Ketones And Carboxylic Acids Part 1

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Question : 21 of 100

Marks: +1, -0

Reaction by which benzaldehyde cannot be prepared

(2013 NEET)

+CO+HCl in presence of anhydrous AlCl3
+ Zn/Hg and conc.HCl
+CrO2Cl2 in CS2 followed by H3O+
+H2 in presence of Pd−BaSO4

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