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Q. What are the Chemical Properties of Ammonia?
Ans.
Combustion: Ammonia does not burn in air but will burn in pure oxygen to form nitrogen and water vapor.
4NH3(g) + 3O2(g) -> 2N2(g) + 6H2O(g)
Reaction with copper(II) oxide: Ammonia gas reacts with hot copper(II) oxide to form pure copper, water and nitrogen.
2NH3(g)+ CuO -> Cu + 3H2O + N2(g)
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When an electron revolves in a stationary orbit then: (1) It absorbs energy (2) It emits radiation (3) Its energy remains constant (4 )It gains kinetic energy Ans:
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The electronic configuration 1s 2 , 2s 2 , 2p 1 x , 2p 1 z : (1) Oxygen (2) Nitrogen (3) Hydrogen (4) Fluorine Ans: Nitrogen
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