Chemistry, 16.01.2020 07:31 elsauceomotho

The net ionic equation for the reaction that occurs during the titration of nitrous acid with sodium hydroxide is (a) hno2 na 1 oh-1 nano2 h2o (b) hno2 naoh na 1 no2-1 h2o (c) h 1 oh-1 h2o (d) hno2 h2o no2-1 h3o 1 (e) hno2 oh-1 no2-1 h2o

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Answer from: jpsaad00

$H^+_{(aq)}+OH^{-}_{(aq)}\rightarrow H_2O_{(l)}$

Explanation:

Complete ionic equation : In complete ionic equation, all the substance that are strong electrolyte and present in an aqueous are represented in the form of ions.

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

Only the species which are present in aqueous state dissociate.

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.

(a)

The balanced molecular equation will be,

$HNO_2_{(aq)}+NaOH_{(aq)}\rightarrow H_2O_{(l)}+NaNO_2_{(aq)}$

The complete ionic equation in separated aqueous solution will be,

$H^+_{(aq)}+NO_2^-_{(aq)}+Na^+_{(aq)}+OH^{-}_{(aq)}\rightarrow H_2O_{(l)}+Na^+_{(aq)}+NO_2^-_{(aq)}$

In this equation the species present are, $Na^+\text{ and }NO_2^-$ are the spectator ions.

Hence, the net ionic equation contains specie is

$H^+_{(aq)}+OH^{-}_{(aq)}\rightarrow H_2O_{(l)}$

Answer from: shawn20034

The net ionic equation for the reaction has been, $\rm H^+\;+\;OH^-\rightarrow\;H_2O$ .

Thus, option C is correct.

The net ionic equation has been given as formation of ions involved in the reaction and the formed products.

Net Ionic Equation

The titration of nitrous acid and sodium hydroxide has been given in chemical equation as:

$\rm HNO_2\;+\;NaOH\;\rightarrow\;H_2O\;+\;NaNO_2$

The ionic equation has been:

$\rm H^+\;+\;NO_2^-\;+\;Na^+\;+\;OH^-\rightarrow\;H_2O\;+\;Na^+\;+\;NO_2^-$

In the net ionic equation, the ions same on the product and reactant side are eliminated.

Thus, the net ionic equation for the reaction has been:

$\rm H^+\;+\;OH^-\rightarrow\;H_2O$

Thus, option C is correct.

For more information about net ionic equation, refer to the link:

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Answer from: Quest

2h2o2--> 2h2o + o2

this reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

add 2 molecules of hydrogen peroxide and 2 molecules of water. since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

this may not be entirely correct but let me know.

Answer from: Quest

the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.

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The net ionic equation for the reaction that occurs during the titration of nitrous acid with sodium...