HARDMCQ SINGLEJEE Advanced ChemistryInorganic Chemistryp -Block Elements (group 15-18)Achiever Section
Which of the following compounds give NH₃ on heating? (I) NH₄NO₃ (II) NH₄NO₂ (III) (NH₄)₂ Cr₂O₇ (IV)(NH₄)₂CO₃ (V) Mg (NH₄) PO₄
A.I, IV
B.II, V
C.IV only
D.IV, V✓ Correct
Explanation
4 3 2 2 4 2 2 2 4 2 7 2 2 3 2 2 NH NO N O 2H O NH NO N 2H O NH Cr O N Cr O 4H O → → → 4 3 3 2 2 2 NH CO 2NH H O CO → 4 4 3 4 3Mg NH PO 3NH MgHPO → 2 2 3 Mg P O
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