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Match column – I with column – II
Column – I (Element) Column – II

$(Δ_{eg} H)$
I Oxygen A $- 349 KJ / mole$
II Fluorine B $- 141 KJ / mole$
III Chlorine C $- 200 KJ / mole$
IV Sulphur D $- 333 KJ / mole$
Correct match is
I II III IV
1 D B A C
2 C D A B
3 B D A C
4 B A D C

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answer is C.

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O < S < F < Cl

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