Question

write the equation for the following hydrogen sulphide gas burns in air to give magnesium chloride, water and chlorine gas​

Answer 1

Magnesium chloride chemical formula is MGCl2

Answer 2

Hydrogen sulphide gas burns in air to give water and sulphur dioxide

Ans : 2H2S + 3O2 gives rise to 2H2O + 2SO2.

I am sorry I don't know for magnesium chloride

But I hope this may help you