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Statement I: Phosphours cannot form PH₅
Statement II : High ΔH_a value of dihydrogen and ΔH_eg value of hydrogen do not favour to exhibit the highest oxidation state of ‘P’.

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Statement I and Statement II are true.

Statement I is true and statement II is false.

Statement I is false and Statement II is true.

Statement I and Statement II are false.

answer is A.

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Detailed Solution

PH₅ can't exist in nature.
Reason: hydrogen is not sufficiently electronegative to excite the electron in phosphrous.
$\therefore$ Statement I and Statement II are true.

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