MCQ
Carbon percentage is maximum in
- APyrene
- BGammexane
- ✓Ethylene glycol
- DPVC
$CC{l_4} = \frac{{12}}{{154}} \times 100 = 7.79\,\% $
${C_6}{H_6}C{l_6} = \frac{{72}}{{291}} \times 100 = 24.74\,\% $
$C{H_2}OH - C{H_2}OH = \frac{{24}}{{62}} \times 100 = 38.70\,\% $.
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$(A)\, F^-, Na^+, Mg^{+2}$ $(B) \,Ni, Cu, Zn$
$(C)\, N^{-3}, Cs^+, H^-$ $(D)\, Li, He, Be^{+2}$
If molar mass of hydrochloric acid is $M.$
