MCQ
Sodium thiosulphate is formed when
- A$SO_2$ is boiled into $Na_2S$
- B$Na_2SO_3$ is boiled with elemental sulphur
- C$H_2S_2O_3$ is neutralised by $NaOH$
- ✓Both $(B)$ and $(C)$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
What is structure of $(A)$ ?
The original compound showed these properties also :
$\mathop {{C_9}{H_{12}}{O_2}}\limits_{(A)} \,\xrightarrow{{Na}}\,{H_2}$ liberated
$\mathop {{C_9}{H_{12}}{O_2}}\limits_{(A)} \,\xrightarrow{{Br}}$ no rapid reaction
$\mathop {{C_9}{H_{12}}{O_2}}\limits_{(A)} \,\xrightarrow[{cool}]{{Cr{O_3}\,/\,{H^ + }}}{C_9}{H_8}{O_3}$