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TS EAMCET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

\(\mathrm{Na}_2 \mathrm{~S}_2 \mathrm{O}_3\) reacts with moist \(\mathrm{Cl}_2\) to form \(\mathrm{Na}_2 \mathrm{SO}_4, \mathrm{HCl}\) and \(X\). Which one of the following is \(X\) ?

  1. A \(\mathrm{H}_2 \mathrm{~S}\)
  2. B \(\mathrm{SO}_2\)
  3. C \(\mathrm{SO}_3\)
  4. D \(\mathrm{S}\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(\mathrm{S}\)

Step-by-step Solution

Detailed explanation

Sodium thiosulphate is oxidised by moist \(\mathrm{Cl}_2\) or chlorine water and precipitates sulphur,…