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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)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If a given sample of water contains 0.06 g of Ca²⁺ ion per kg, calculate
- Heat of combustion ΔH for C(s) , H₂(g)and CH₄(g) are -94, -68 and -213 kcal/mol.
- Which one of the following pairs of solution is not an acidic buffer
- Which one of the following metals forms superoxide?
- The number of water molecules is maximum in
Topics: P Block Elements in Group 15 (89)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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