Group — Valency I group — i) +2 ,II group — ii) -1
Match the following:
Group — Valency
a) I group — i) +2
b) II group — ii) -1
c) VI group — iii) + 1
d) VII group — iv) -2
A) a → i, b → ii, c → iii, d → iv
B) a → iii, b → i, c → iv, d → ii
C) a → iv, b → iii, c → ii, d → i
D) a → iii, b → iv, c → ii, d → i
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