Which set of properties has same value for \( \mathrm{D}_{2} \& \mathrm{H}_{2} \) ? (I) Bond len...

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Which set of properties has same value for \( \mathrm{D}_{2} \& \mathrm{H}_{2} \) ?
(I) Bond length
(II) Bond energy
(III) Boiling point
\( \mathrm{P} \)
(a) Only I
(b) Only I \& II
(c) Only II, III
(d) Only II
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