NO₂ is not obtained on heating

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NO₂ is not obtained on heating

Options

(a) AgNO₃
(b) KNO₃
(c) Cu(NO₃)₂
(d) Pb(NO₃)₂

Correct Answer:

KNO₃

Explanation:

NO₂ is prepared by heating nitrates of heavy metals. 2pb(NO₃)₂ → 2pbO + 4NO₂ + O₂. 2Cu(NO₃)₂ → 2CuO + 4NO₂ + O₂. 2AgNO₃ → 2Ag + 2NO₂ + O₂. 2KNO₃ → 2KNO₂ + O₂.

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Topics: P Block Elements in Group 15 (89)
Subject: Chemistry (2512)

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