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Q.

In the series C,N,O and F electronegativity

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a

Increases from carbon to fluorine

b

Decreases from carbon to fluorine

c

Remains same

d

Decreases carbon to oxygen and then increases

answer is D.

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Detailed Solution

In a In a period from left to right electronegativity (E.N) gradually increases.  This is due to increase in the effective nuclear charge on valency electrons.  The elements C,N.O & F belongs to second period

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