Q.

Oxidation number and valency of oxygen in OF2 are

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a

+1,2

b

+2,2 

c

+1,1

d

+2,1

answer is B.

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Detailed Solution

The oxidation number of the O can be calculated  as,

x+2( -1)=0

x-2=0

x=+2

The valency of oxygen will be 2 as it can accept two fluorine atoms.

 

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