Question

1. How many electrons should X2H4
liberate so that
in the new compound X shows oxidation number
of -½ (E.N. X > H)
(1) 10 (2) 4 (3) 3 (4) 2

Answer 1

Answer:

RIGHT ANSWER IS (3) - 3

EXPLAINATOON

X

2

H

4

En of X>H

∴H is in +1

and X in −

2

1

−

2

1

×2+(+1)×4=−1+4=3

∴3e

−

must be liberated.