MCQ
What are $A$ and $B$ respectively


- A$BHC$ and $HCB$
- ✓$HCB$ and $BHC$
- C$HCB$ and $HCB$
- D$BHC$ and $BHC$

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(Rounded off to the nearest integer)
(Mass of $Li ^{3+}=8.3$ mass of proton)
$1.\,\,(CH_3)_2 - \mathop C\limits^ + - CH_2 - CH_3$
$2.\,\,(CH_3)_3 - \mathop C\limits^ + $
$3.\,\,(CH_3)_2 - |\mathop C\limits^ + H|$
$4.\,\,CH_3 - \mathop C\limits^ + H_2$
$5.\,\,\mathop C\limits^ + H_3$