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Grade: 12th pass

                        

A metal M on heating in nitrogen gas gives Y. Y on treatment with H2O gives a colourless gas which when passed through CuSO4 solution gives a blue colour, Y is : (1) NH3 (2) MgO (3) Mg3N2 (4) Mg(NO3)2

A metal M on heating in nitrogen gas gives Y. Y on treatment with H2O gives a colourless gas which when passed through CuSO4 solution gives a blue colour, Y is :
 
(1) NH3
 
(2) MgO
 
(3) Mg3N2
 
(4) Mg(NO3)2

2 months ago

Answers : (1)

Pawan Prajapati
askIITians Faculty
5328 Points
							Answer ::

Magnesium heated with nitrogen to form magnesium nitride. Magnesium nitride reacts with water to form ammonia and magnesium hydroxide. When ammonia gas is passed through CuSO4 solution, blue colour is obtained.
Hence option (3) is the answer.


Thanks
2 months ago
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