Home Chemistry General Organic Chemistry Organic Reactions and their Mechanism When arsenic sulphide is boiled with NaOH, s…
Chemistry General Organic Chemistry Organic Reactions and their Mechanism Single Correct MCQ
Published on: August 14, 2026

When arsenic sulphide is boiled with NaOH, sodium arsenite and sodium thioarsenite are formed according to reaction :

x As2S3+ y NaOH x Na3AsO3 + x Na3AsS3 + H2O. What are the values of x and y?

A
1, 6
B
2, 8
C
2, 6
D
1, 4

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Text Solution

Verified by Experts
The correct answer is:
A

On balacing Na atoms on both sides of reaction, we get :

y = 6x.

x : y = 1 : 6 (only A option matches).

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