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TS EAMCET · Chemistry · p Block Elements (Group 13 & 14)

Aluminium reacts with dilute \(\mathrm{HCl}\) and liberates a gas 'A' and with aqueous alkali liberates a gas 'B'. A and B respectively are

  1. A \(\mathrm{Cl}_2, \mathrm{O}_2\)
  2. B \(\mathrm{O}_2, \mathrm{O}_2\)
  3. C \(\mathrm{Cl}_2, \mathrm{H}_2\)
  4. D \(\mathrm{H}_2, \mathrm{H}_2\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(\mathrm{H}_2, \mathrm{H}_2\)

Step-by-step Solution

Detailed explanation

When aluminium is treated with dilute hydrochloric acid, it forms aluminium chloride with release of hydrogen gas.…