Chemistry
From NH3, HCl, H2S, SO2 – Select :
(i) The gas which when bubbled through CuSO4 soln., a deep blue coloured soln. is formed.
(ii) This gas burns in oxygen with a green flame.
Ammonia
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Answer
(i) Ammonia (NH3)
CuSO4 + 2NH4OH [ammonia soln.]⟶ (NH4)2SO4 + Cu(OH)2
Cu(OH)2 + (NH4)2SO4 + 2NH4OH ⟶ [Cu(NH3)4]SO4 + 4H2O
(ii) Ammonia (NH3)
4NH3 + 3O2 ⟶ 2N2 + 6H2O
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