MCQ
Which of the following would have same magnetic nature whether $sp$ mixing is operative or not?
- A$C_2$
- B$B_2$
- ✓$O_2$
- DAll of these
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$B.E. (H-H) = x_1 ; B.E. (O = O) = x_2$ ;
$B.E. (O -H) = x_3$
Heat of vaporisation of water $= x_4$ then $\Delta {H_f}$ [heat of formation of liquid water] is
$n$ $l$ $m$