Considering the above reaction, the major product among the following is :

Identify A in the given chemical reaction.

The correct order of electron gain enthalpy is :

Match List - I with List - II.

	List - I		List - II
(a)	Sucrose	(i)	$$\beta $$-D-Galactose and $$\beta $$-D-Glucose
(b)	Lactose	(ii)	$$\alpha $$-D-Glucose and $$\beta $$-D-Fructose
(c)	Maltose	(iii)	$$\alpha $$-D-Glucose and $$\alpha $$-D-Glucose

Choose the correct answer from the options given below :