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Preparation of Chlorine

Which of the ...

Question

Which of the following produces colorless gas with dil. $H_{2} {S O}_{4}$ ?

{N a}_{2} S_{2} O_{3}

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N a H C O_{3}

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{C H}_{3} {C O}_{2} {N H}_{4}

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Solution

The correct options are
A ${N a}_{2} S_{2} O_{3}$
B $N a H C O_{3}$
$H_{2} S O_{4} + N a_{2} S_{2} O_{3} ⟶ N a_{2} S O_{4} + S O_{2} + H_{2} O$
$↓$
colourless gas
$H_{2} S O_{4} + N a H C O_{3} ⟶ N a_{2} S O_{4} + H_{2} O + C O_{2}$
$↓$
colourless gas
Answer is option A & B.

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Similar questions

{N a}_{2} S_{2} O_{3}

{C l}_{2}

{N a}_{2} {S O}_{4}, H C l

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X - -

{N a}_{2} S_{2} O_{3}

{N a}_{2} S_{2} O_{3} + H_{2} O + {C l}_{2} \to {N a}_{2} {S O}_{4} + 2 H C l + S

N a_{2} S_{2} O_{3}

{N a}_{2} {S O}_{4}

N a O H

2 N a O H + H_{2} {S O}_{4} \to {N a}_{2} {S O}_{4} + 2 H_{2} O

{N a}_{2} S_{2} O_{3}

{N a}_{2} S_{2} O_{3} + H_{2} O + {C l}^{2} \to {N a}_{2} {S O}_{4} + 2 H C l + S

K_{2} {C r}_{2} O_{7} + K I + H_{2} {S O}_{4} \to K_{2} {S O}_{4} + {C r}_{2} {({S O}_{4})}_{3} + I_{2} + H_{2} O

K M n O_{4} + {N a}_{2} {S O}_{3} \to M n O_{2} + {N a}_{2} {S O}_{4} + K O H

C u + H {N O}_{3} \to C u {({N O}_{3})}_{2} + {N O}_{2} + H_{2} O

K M {n O}_{4} + H_{2} C_{2} O_{4} + H_{2} {S O}_{4} \to K_{2} {S O}_{4} + {M n S O}_{4} + {C O}_{2} + H_{2} O

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