Chemistry - Complete d-block Question with Solution | TestHub
ChemistryComplete d-blockd-blockEasy2 min
ChemistryEasysingle choice
The gas obtained by roasting of sulphide ore is reacted with acidified potassium dichromate. A green coloured compound ' X ' is formed. The compound X can be:
Options:
Answer:
B
Solution:
Roasting sulphide ore produces SO₂. Acidified potassium dichromate reacts with SO₂ to form green Cr₂(SO₄)₃. The color change indicates Cr⁶⁺ is reduced to Cr³⁺.
Stream:JEESubject:ChemistryTopic:Complete d-blockSubtopic:d-block
⏱ 2m
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