State the type of chemical reactions and chemical equations that take place in the following: (i) Magnesium wire is burnt in air. (ii) Electric current is passed through water. (iii) Ammonia and hydrogen chloride gases’are mixed.

Asked by pachchigarkeyur | 8th Mar, 2022, 12:05: PM

Expert Answer:

 (i) Magnesium wire is burnt in air.

Combination reaction: 2Mg+O2​ →2MgO
 
(ii) Electric current is passed through water.
 
Decomposition reaction: 2H2O → 2H2​ + O2
 
(iii) Ammonia and hydrogen chloride gases’are mixed.
 
Combination reaction: NH3​ +HCl → NH4Cl

Answered by Ramandeep | 9th Mar, 2022, 02:00: PM