MCQ
Which hybridised carbon is more electronegative?
- ✓sp
- B$sp ^2$
- C$sp ^3$
- D$sp ^3 d$
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$trans-3$ -hexene $\xrightarrow{(b)}$ meso $3,4-$ hexanediol
Choose pair of reagent $(a, b)$ for above conversions
$(A)$ All are isoelectronic
$(B)$ All have the same nuclear charge
$(C)$ $\mathrm{O}^{2-}$ has the largest ionic radii
$(D)$ $\mathrm{Mg}^{2+}$ has the smallest ionic radii
Choose the most appropriate answer from the options given below :
Oxygen $(61.4\%);$ Carbon $(22.9\%),$ Hydrogen $(10.0\%);$ and Nitrogen $(2.6\%).$ The weight which a $75\, kg$ person would gain if all $^1H$ atoms are replaced by $^2H$ atoms is ....... $kg$