In which of the following chemical equations, the abbreviations represent the correct states of the reactants and products involved at reaction temperature?

$2 NaCl (l) + 2 H_{2} O (l) \to 2 NaOH (l) + {Cl}_{2} (g) + H_{2} (g)$
$2 NaCl (aq) + 2 H_{2} O (aq) \to 2 NaOH (aq) + {Cl}_{2} (g) + H_{2} (g)$
$2 NaCl (aq) + 2 H_{2} O (l) \to 2 NaOH (aq) + {Cl}_{2} (aq) + H_{2} (aq)$
$2 NaCl (aq) + 2 H_{2} O (l) \to 2 NaOH (aq) + {Cl}_{2} (g) + H_{2} (g)$

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Solution

The correct option is D
$2 NaCl (aq) + 2 H_{2} O (l) \to 2 NaOH (aq) + {Cl}_{2} (g) + H_{2} (g)$

The explanation for the correct option:
Option D:
Chlor-alkali process is used for the production of Chlorine gas $({Cl}_{2})$ , Sodium hydroxide $(NaOH)$ , and Hydrogen gas $(H_{2})$ .
In this process, Sodium Chloride is taken in the aqueous phase and the product Chlorine and hydrogen are obtained in form of gases.
The reaction can be shown as follows:
$2 NaCl (aq) + 2 H_{2} O (l) \to 2 NaOH (aq) + {Cl}_{2} (g) + H_{2} (g)$ .
The explanation for incorrect options:
Option A: The sodium hydroxide and sodium chloride should be in the aqueous phase and not liquid.
Option B: The water should be in the liquid phase.
Option C: Hydrogen and chlorine are produced in the aqueous form in this reaction.
Hence, Option D is correct., $2 NaCl (aq) + 2 H_{2} O (l) \to 2 NaOH (aq) + {Cl}_{2} (g) + H_{2} (g)$

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Similar questions

Q. Question 17
In which of the following chemical equations, the abbreviations represent the correct states of the reactants and products involved at reaction temperature?

(a)

2 H_{2} (l) + O_{2} (l) \to 2 H_{2} O(g)

(b)

2 H_{2} (g) + O_{2} (l) \to 2 H_{2} O(l)

(c)

2 H_{2} (g) + O_{2} (g) \to 2 H_{2} O(l)

(d)

2 H_{2} (g) + O_{2} (g) \to 2 H_{2} O(g)

A chemical equation is the shorthand form of representing a chemical reaction using the _______________(names/symbols or formulae) of the reactants and products.

Q. When the solution of substance X is added to a solution of potassium iodide, then a yellow solid separates out from the solution.
(a) What do you think substance X is likely to be?
(b) Name the substance which the yellow solid consists of.
(c) Which characteristic of chemical reaction is illustrated by this example?
(d) Write a balanced chemical equation for the reaction which takes place. Mention the physical states of all the reactants and products involved in the chemical equation.

In which of the following chemical equations, do the abbreviations represent the correct states of the reactants and products involved at reaction temperature?

Q. In which of the following chemical equation, the abbreviations represent the correct states of the reactants and products involved at reaction temperature?

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