MEDIUMMCQ SINGLEJEE Advanced ChemistryInorganic Chemistryp -Block Elements (group 15-18)Previous Year Questions
Urea reacts with water to form A which will decomposes to form B. B when passed through Cu2+ (aq), deep blue color solution C is formed. What is the formula of C from the following. (NEET 2020)
A.Cu(OH)2
B.CuCO3. Cu(OH)2
C.CuSO4
D.[Cu(NH3)4]+2✓ Correct
Explanation
(Ammonium Ammonia Hydroxide) (deepblue colorsolution ) A 2 2 2 2 2 3 2 decompose (Urea) (A) (B) 2 2 3 3 4 (C) NH CONH H O NH OH CO NH H O 4NH Cu (aq.) [Cu(NH ) ] -> -> ->
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