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COMEDK2015Chemistryp Block Elements (Group 15, 16, 17 & 18)

Pb ₃ O ₄+4 HNO ₃ 2 ~Pb ( NO ₃ )₂+ PbO ₂+2 H ₂ O Which is true about the lead ions in Pb ₃ O ₄ ?

Options

  1. APb ²⁺ reacts with HNO ₃ to give lead nitrate.
  2. BPb ⁴⁺ reacts with HNO ₃ to give lead nitrate.
  3. CPb ²⁺ reacts with HNO ₃ to give PbO ₂ .
  4. DPb ⁴⁺ reacts with HNO ₃ to give PbO ₂ .

Correct answer

A. Pb ²⁺ reacts with HNO ₃ to give lead nitrate.

Step-by-step solution

Pb ₃ O ₄ is a mixture of PbO ₂+ PbO and only PbO i.e., Pb ²⁺ reacts with HNO ₃ to form Pb ( NO ₃ )₂ .

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