HSC Science (Computer Science) 12th Board ExamMaharashtra State Board
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A gas when passed through K2Cr2O7 and dil. H2SO4 solution turns it green, the gas is - HSC Science (Computer Science) 12th Board Exam - Chemistry

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Question

A gas when passed through K2Cr2O7 and dil. H2SO4 solution turns it green, the gas is

(A) CO2

(B) NH3

(C) SO2

(D) Cl2

Solution

(C) SO
Sulphur dioxide gas is oxidized to sulphuric acid when passed through acidified
potassium dichromate solution. The colour of the solution changes from orange to
green because potassium dichromate is reduced to chromic sulphate.

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APPEARS IN

 2016-2017 (March) (with solutions)
Question 5.4 | 1.00 mark

Video TutorialsVIEW ALL [1]

Solution A gas when passed through K2Cr2O7 and dil. H2SO4 solution turns it green, the gas is Concept: Introduction of Haloalkanes and Haloarenes.
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