Question

the oxidation number of Pt in [ Pt ( C2H5) Cl3] is-

a) +1

b) +2

c) +3

d) +4

Answer 1

answer :-

let the O. S of Pt = x

and O.S of C2H5 = 1.

so,

X + 1 - 3 = 0 or

x =2


option (B)

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Answer 2

Explanation:

Pt = platinum

[ Pt ( C2H5) Cl3] Here

C2H5 , Oxidation state is +1

So , there comes Pt has +2

Option B is answer