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Question

Arrange F,Cl,O,N in the decreasing order of electronegativity.

A
O>F>N>Cl
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B
F>N>Cl>O
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C
Cl>F>N>O
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D
F>O>NCl
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Solution

The correct option is D F>O>NCl
Electronegativity(E.N) of elements are; F=4,Cl=3,N=3,O=3.5.
Therefore, the trend is : F>O>N=Cl.
This can be explained as, on moving from left to right across a period, the E.N increases and also on moving down a group from top to bottom the E.N decreases.

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