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NTA Abhyas NEET2020Chemistryp Block Elements (Group 15, 16, 17 & 18)Practice

Pure H 2 S gas can be obtained by the action of water on-

Options

  1. AC u S
  2. BF e S
  3. CFlower of sulphur
  4. DA l 2 S 3

Correct answer

D. A l 2 S 3

Step-by-step solution

Aluminium sulphide can react with water forming hydrogen sulphide. A l 2 S 3 + H 2 O → A l ( O H ) 3 + H 2 S

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