Give the reduction of nitromethane in (a) acid medium, (b) neutral medium.

The electrolytic reduction of nitrobenzene in strongly acidic medium produces:

The Birch reduction of benzoic acid gives :

What is an optical medium?

When nitromethane is reduced with "Zn dust "+ NH_(4)Cl in neutral medium, we get

What is the colour of potassium dichromate in acidic medium ?

The velocity of light decreases while traveling from medium (1) into medium (2). Which of the two is a rarer medium ?

Reduction of MnO_(4)^(-) in strongly basic medium gives :