Name the temperature above which the formation of micelles takes place.

A) i) Write the products formed when ethanal reacts with the following reagents:

a) and then

b)

c) in the presence of dil NaOH

B) Give simple chemical tests to distinguish between the following pairs of compounds:

i) Benzoic acid and Ethyl benzoate

ii) Propanal and Butan-2-one

OR

I) Account for the following:

i) is more reactive than towards the reaction with HCN.

ii) groups in semicarbazide (). However, only one is involved in the formation of semicarbazone.

II) Write the chemical equation to illustrate each of the following name reactions.

i) Rosenmund reduction

ii) Hell-Vohlard-Zelinsky reaction

iii) Cannizzaroreaction

On what principle is the method of zone refining of metals based?

Arrange the following in the increasing order of their basicity:

What type of isomerism is exhibited by the following complex?