(a) Give names of the reagents to bring about the following transformations : (i) Ethanoic acid to ethanol (ii) Propan -1-ol to propanal (iii) Pent -3-en-2-ol pent-3-en-2-one (iv) Sodium benzoate to benzene (b) Arrange in the following in increasing order of : (i) Methanal , Propanal, Butanone, ethanal,Propanone(Nucleophilic addition reaction ) (ii) Formaldehyde , Acetone , Acetaldehyde (reactivity towards HCN) (iii) Acetophenone, p- tolualdehyde, p-nitrobenzaldehyde, Benzaldehyde(nucleophilic addition reaction ).

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