MCQ
$(BN)_n$ exists in
- ABenzene like structure
- ✓graphite like structure
- Cboth form
- Dit does not exist
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${I_2}(g)$ $\rightleftharpoons$ $2I(g),\;\Delta H_r^o(298\,K) = + 150\;kJ$
(A) $0.00253$ (B) $1.0003$ (C) $15.0$ (D) $163$
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