Ethyl butanoate

(a) Give the Claisen ester condensation product of ethyl butanoate. (b) Why does the Claisen ester condensation of ethyl-2-methyl propanoate (I) not take place ? ( c) Why does Claisen condensation of (I) take place by the use of Ph_3 C^(Ө) Na^(oplus) as a base ?

An isomer A of C_(6)H_(13)Cl on hydrolysis by moist silver oxide gives B. The compound B on oxidation gives C. The compound C on esterification with ethyl alcohol gives ethyl-2,2-dimethyl butanoate . Which of the following is A ?

How will you obtain? (a) Butanoic acid from 1-bromopropane ( b) Propanoic acid from ethyne, (c) 2-Methylbutanoic acidfrom butan-2-ol, ( d) Butanoic acid from ethyl bromide

The maximum number of stereoisomers possible for 2 -hydroxy- 2 -methyl butanoic acid is

The maximum number of stereoisomers possible for 3-hydroxy-2-methyl butanoic acid is:

The alkane formed on heating sodium butanoate with soda lime is

Electrolysis of an aqueous solution of sodium butanoate gives main product-