Question

pMg3N2 + q H2O → r Mg(OH)2 + s NH3 When the equation is balanced, the coefficients p, q, r, s respectively are- a) 1, 3, 3, 2 b) 1, 6, 3, 2 c) 1, 2, 3, 2 d) 2, 3, 6, 2​

Answer 1

$\rm\huge\underline{Answer}$

the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.

Answer 2

The correct option is c.

• The chemical name of $Mg_3N_2$ is magnesium nitride.
• The chemical name of $Mg(OH)_2$ is magnesium hydroxide and $NH_3$ is amonia.
• The reaction is -
• $Mg_3N_2+6H_2O\rightarrow 3Mg(OH)_2+2NH_3$
• So, 1 mole of magnesium nitride reacts with 6 moles of water to form 3 moles of magnesium hydroxide along with 2 moles of amonia.
• Thus the coefficients p,q,r,s are 1,6,3,2.