Question 30 - Identify the correct representation of reaction occurring during chloralkali process-a 2 NaCl l -2 H 2 O l - 2 NaOH l - Cl 2 g - H 2 g b 2 NaCl aq -2 H 2 O aq - 2 NaOH aq - Cl 2 g - H 2 g c 2 NaCl aq -2 H 2 O l - 2 NaOH aq - Cl 2 aq - H 2 aq d 2 NaCl aq -2 H 2 O l - 2 NaOH aq - Cl 2 g - H 2 g

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Standard IX

Chemistry

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Question 30 ....

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Question 30.
Identify the correct representation of reaction occurring during chloralkali process.
(a) $2 NaCl(l) + 2 H_{2} O(l) \to 2 NaOH(l) + {Cl}_{2} (g) + H_{2} (g)$
(b) $2 NaCl(aq) + 2 H_{2} O(aq) \to 2 NaOH(aq) + {Cl}_{2} (g) + H_{2} (g)$
(c) $2 NaCl(aq) + 2 H_{2} O(l) \to 2 NaOH(aq) + {Cl}_{2} (aq) + H_{2} (aq)$
(d) $2 NaCl(aq) + 2 H_{2} O(l) \to 2 NaOH(aq) + {Cl}_{2} (g) + H_{2} (g)$

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Solution

In chlor- alkali reaction, the state of ${Cl}_{2}$ and $H_{2}$ is gaseous, $H_{2} O$ is liquid and that of $NaCl$ and $NaOH$ is aqueous. Hence, the correct answer is option (d).

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NaOH is prepared industrially by electrolysis of brine (NaCl). $2 N a C l (a q) + 2 H_{2} O (l) \to C l_{2} (g) + 2 N a O H (a q) + H_{2} (g)$ . The name of this process is Soda-lime process. If true enter 1, else enter 0.

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Question 30. Identify the correct representation of reaction occurring during chloralkali process. (a) 2NaCl(l)+2H2O(l)→2NaOH(l)+Cl2(g)+H2(g) (b) 2NaCl(aq)+2H2O(aq)→2NaOH(aq)+Cl2(g)+H2(g) (c) 2NaCl(aq)+2H2O(l)→2NaOH(aq)+Cl2(aq)+H2(aq) (d) 2NaCl(aq)+2H2O(l)→2NaOH(aq)+Cl2(g)+H2(g)

In chlor- alkali reaction, the state of Cl2 and H2 is gaseous, H2O is liquid and that of NaCl and NaOH is aqueous. Hence, the correct answer is option (d).

In chlor- alkali reaction, the state of ${Cl}_{2}$ and $H_{2}$ is gaseous, $H_{2} O$ is liquid and that of $NaCl$ and $NaOH$ is aqueous. Hence, the correct answer is option (d).