Question

Consider the chemical equation below.

Upper M g (upper O upper H) subscript 2 plus 2 upper H upper N upper O subscript 3 right arrow upper M g (upper N upper O subscript 3) subscript 2 plus 2 upper H subscript 2 upper O.

Which is the net ionic equation?

Answer 1

first option or A

Step-by-step explanation:

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Answer 2

Answer : The net ionic equation will be,

`2H^(+)(aq)+2OH^-(aq)\rightarrow H_2O(l)`

Explanation :

In the net ionic equations, we are not include the spectator ions in the equations.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

The given balanced ionic equation will be,

`Mg(OH)_2(aq)+2HNO_3(aq)\rightarrow Mg(NO_3)_2(aq)+H_2O(l)`

The ionic equation in separated aqueous solution will be,

`Mg^(2+)(aq)+2OH^-(aq)+2H^(+)(aq)+2NO_3^(-)(aq)\rightarrow H_2O(l)+Mg^(2+)(aq)+2NO_3^(-)(aq)`

In this equation,
`Mg^(2+)\text{ and }NO_3^-` are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

`2H^(+)(aq)+2OH^-(aq)\rightarrow H_2O(l)`