Question

Match the terms of Column I and Column II.

Column I	Column II
(i) Leclanche cell	(a) Cell reaction, $2H_2+O_2\to 2H_{2}O$
(ii) Ni-Cd cell	(b) Does not involve any ion in solution and is used in hearing aids
(iii) Fuel cell	(c) Rechargeable
(iv) Mercury cell	(d) Reaction at anode, $Zn\to Z{n}^{2+}+2e^{-}$
	(e) Converts energy of combustion into electrical energy

• A. $(i)\to (c);(ii)\to (a);(iii)\to (b);(iv)\to (d)$
• B. $(i)\to (d);(ii)\to (c);(iii)\to (a,e);(iv)\to (b)$
• C. $(i)\to (b);(ii)\to (d);(iii)\to (a);(iv)\to (c)$
• D. $(i)\to (b);(ii)\to (d);(iii)\to (c);(iv)\to (a)$

Answer 1

Answer: (B)

Correct answer is (b) $(i)\to (d);(ii)\to (c);(iii)\to (a,e);(iv)\to (b)$