wiz-icon
MyQuestionIcon
MyQuestionIcon
7
You visited us 7 times! Enjoying our articles? Unlock Full Access!
Question

When a mixture (A) of unknown gases is passed into the dichromate solution, then orange color turns to green; when the solution is boiled and gas passed into lime water, then lime water turns milky. Find out (A).

A
CO2, Cl2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
H2S, CO2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
Both (A) and (B)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
None of these
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B H2S, CO2
The mixture is of H2S,CO2. When H2S gas is passed into the dichromate solution, then orange color turns to green. The hydrogen sulphide gas reduces the orange color of dichromate ions into green color chromium(III) ions.
CO2 gas turns lime water milky.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Bases
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon