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

When NaCl is heated with sulphuric acid in the presence of MnO 2 a greenish-yellow gas is liberated. The gas is

Options

  1. ACl 2
  2. BNH 3
  3. CN 2
  4. DH 2

Correct answer

A. Cl 2

Step-by-step solution

Yellowish-green gas of chlorine is evolved when the sodium chloride is heated with concentrated H 2 SO 4 in presence of MnO 2 . NaCl + H 2 SO 4 → NaHSO 4 + HCl MnO 2 + 4 HCl → MnCl 2 + 2 H 2 O + Cl 2

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