Aldehydes, Ketones and Carboxylic Acids

The reagent, from the following, which converts benzoic acid to benzaldehyde in one step is

Consider the following reaction:

A + alkali  → B(Major Product)

If B is an oxoacid of phosphorous with no P-H bond, then A is

Given below are two statements:

Statement I: The esterification of carboxylic acid with an alcohol is a nucleophilc acyl substitution.

Statement II: Electron withdrawing groups in the carboxylic acid will increase the rate of esterification reaction

Choose the most appropriate option:

In $\stackrel{1}{C}{H}_2=\stackrel{2}{C}=\stackrel{3}{C}H-\stackrel{4}{C}{H}_3$ molecule, the hybridization of carbon 1,2,3 and 4 respectively are

Total number of isomers (including stereoisomers) obtained on monochlorination of methylcyclohexane is_______________.

Which reactant will give the following alcohol on reaction with one mole of phenyl magnesium bromide (PhMgBr) followed by acidic hydrosis?

Which technique among the following is most appropriate in separation of a mixture of 100mg of p-nitrophenol acid  and picric acid?

The correct decreasing order of priority of functional groups in naming an organic compound as per IUPAC system of nomenclature is

The correct structure of product 'A' formed in the following reaction,  is

Which one of the following techniques is not used to spot components of a mixture separated in thin layer chromatographic plate?