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 :

Calgon is used for water treatment. Which of the following statement is NOT true about Calgon?

Seliwanoff test and Xanthoproteic test are used for the identification of ___________ and ________ respectively.

When 12.2 g of benzoic acid is dissolved in 100 g of water, the freezing point of solution was found to be $$-$$0.93$$^\circ$$C (K_f(H₂O) = 1.86 K kg mol^$$-$$1). The number (n) of benzoic acid molecules associated (assuming 100% association) is ___________.