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Standard X

Chemistry

Common Salt

Which of the ...

Question

Which of the following processes is called chlor-alkali process?

Ca(OH)₂ + Cl₂ → CaOCl₂ + H₂O

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NaCl + H₂O + CO₂ + NH₃ → NH₄Cl + NaHCO₃

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2NaCl_(aq) + 2H₂O_(l) → 2NaOH_(aq) + Cl_2(g) + H_2(g)

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None of the above

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Solution

The correct option is C
2NaCl_(aq) + 2H₂O_(l) → 2NaOH_(aq) + Cl_2(g) + H_2(g)

When electricity is passed through an aqueous solution of sodium chloride (called brine), it decomposes to form sodium hydroxide. The process is called the chlor - alkali process.

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Similar questions

Q. 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)

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.

Q. Identify X in the following reaction:

N a C l + H_{2} O

C O_{2} + N H_{3}

\to

N H_{4} C l

X

Q. In the above reaction if

A

N H_{4} C l

and

D

C O_{2}

then

B

C

respectively are :

(A)

+ N a O H \to N a C l + N H_{3} + H_{2} O

N H_{3} + C O_{2} + H_{2} O \to (B)

(B)

+ N a C l \to (C) + N H_{4} C l

(C)

\to N a_{2} C O_{3} + H_{2} O + (D)

C O_{2} + N H_{3} + H_{2} O \to X

X + N a C l \to Y + N H_{4} C l

'Y' in the above reaction is:

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Which of the following processes is called chlor-alkali process?

The correct option is C 2NaCl(aq) + 2H2O(l) → 2NaOH(aq) + Cl2(g) + H2(g) When electricity is passed through an aqueous solution of sodium chloride (called brine), it decomposes to form sodium hydroxide. The process is called the chlor - alkali process.

The correct option is C
2NaCl_(aq) + 2H₂O_(l) → 2NaOH_(aq) + Cl_2(g) + H_2(g)

When electricity is passed through an aqueous solution of sodium chloride (called brine), it decomposes to form sodium hydroxide. The process is called the chlor - alkali process.