MCQ
The oxidation state of the underlined element in the given compound is:
BaCl2
BaCl2
- A+2
- B-2
- C0
- DNone of these
Explanation:
BaCl2
⇒ x + (−2) = 0
⇒ x = 2
As chlorine needs only one electron to get octet.
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$2 {X}+\mathrm{B}_2 \mathrm{H}_6 \rightarrow\left\lfloor\mathrm{BH}_2(\mathbf{X})_2\right\rfloor^{+}\left\lfloor\mathrm{BH}_4\right]^{-}$ the amine(s) ${X}$ is$(are)$
$(A)$ $\mathrm{NH}_3$ $(B)$ $\mathrm{CH}_3 \mathrm{NH}_2$ $(C)$ $\left(\mathrm{CH}_3\right)_2 \mathrm{NH}$ $(D)$ $\left(\mathrm{CH}_3\right)_3 \mathrm{~N}$