MCQ
What is true about $H_2S_nO_6$ (Polythionic acid)
- ATotal $s-s$ bond $= n$
- BNo. of $'s'$ with zero $O.S = n -1$
- ✓No of $'s'$ with $+ 5\,\, O.S. = n -1$
- DNo of $'s'$ with $+5\,\, O.S. = 2$
at room temperature $\alpha-$ sulphur (Rhombic) is most stable form.
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(image) $\frac{{conc.\,HN{O_3}}}{{conc.\,{H_2}S{O_4}}}X$
the structure of the major product $'X'$ is
| List $I$ (Haloalkane/arene) | Lits $II$ (Application) | ||
| $A.$ | Iodoform | $1.$ | $CF_4$ |
| $B.$ | $BHC$ | $2.$ | Antiseptic |
| $C.$ | Freon $-14$ | $3.$ | Moth repellent |
| $D.$ | Halothanes | $4.$ | Inhalative anaesthetic |
| $E.$ | $p-$ Dichlorobenzene | $5.$ | Termite pesticide |