MCQ
Boron form covalent compound due to
- ASmall size
- BHigher ionization energy
- CLower ionization energy
- ✓Both $(a)$ and $(b)$
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$(I)\, 1s^2\, 2s^2\, 2p^6\, 3s^2\, 3p^5$
$(II)\, 1s^2\, 2s^2\, 2p^3$
$(III)\, 1s^2\, 2s^2\, 2p^5$
$(IV)\, 1s^2\, 2s^2\, 2p^6\, 3s^2\, 3p^1$
$RCOOAg \xrightarrow{{B{r_2}/\Delta }} R-Br$
which one of the following acid will give maximum yield of $R-Br$ in the above reaction?
| LIST-$I$ | LIST-$I$ |
| $A$.Glucose/NaHCO3/$\Delta$ | $I$.Gluconic acid |
| $B$.Glucose/HNO3 | $II$. No reaction |
| $C$.Glucose/HI/ $\Delta$ | $III$. n-hexane |
| $D$. Glucose/Bromine [water] | $IV$. Saccharic acid |
Choose the correct answer from the options given below: