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Preparation of Alcohols from Alkenes

Balanced equa...

Question

Balanced equation for the reaction between dil. $H C l$ and sodium thiosulphate is:

A

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

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B

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

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C

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

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D

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

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Solution

The correct option is D $N a_{2} S_{2} O_{3} + 2 H C l \to 2 N a C l + S O_{2} + S + H_{2} O$
By applying the POAC (principle of atomic conversion), balanced reaction is :
$N a_{2} S_{2} O_{3} + 2 H C l \to 2 N a C l + S O_{2} + S + H_{2} O$

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Similar questions

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

has the molar mass

M

, in the reaction

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

the equivalent weight of

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

Q. Complete the reactions by matching List-I with List-II.

List-I	List-ll
A) $2 N a_{2} S_{2} O_{3} + I_{2} Δ - \to$	1) Photographic complex $A g_{2} S_{2} O_{3}$
B) $N a_{2} S_{2} O_{3} + d i l . H C l \to$	2) $A g_{2} S + N a B r$
C) $N a_{2} S_{2} O_{3} + A g N O_{3} \to$	3) $N a C l + S O_{2} + S + H_{2} O$
D) $N a_{2} S_{2} O_{3} + A g B r \to$	4) $N a_{2} S_{4} O_{6} + 2 N a I$

The correct match is:

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

Find the value of x and y.

Q. Complete the following equations:
(a)

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

+ H_{2} O

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

C l_{2} + 3 F_{2} 573 K - -- \to

Q. The equivalent weight of hypo in the reaction is:

N a_{2} S_{2} O_{3} + 2 C l^{-} + H_{2} O \to N a_{2} S O_{4} + 2 H C l + 2 S [M = m o l . w t]

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