Chemistry - Complete d-block Question with Solution | TestHub

ChemistryComplete d-blockd-blockEasy2 minPYQ_2020

ChemistryEasysingle choice

When dilute $H_{2} S O_{4}$ and $H_{2} O_{2}$ are added to a solution of chromate ions, an intense blue colour is produced, which is stable in ether. This is due to the formation of

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Answer:

Solution:

The blue colour is due to the formation of $C r O_{5}$

$C r O_{4}^{2 -} + 2 H^{+} + 2 H_{2} O_{2} \to \underset{(B l u e)}{C r O_{5}} + 3 H_{2} O$

Stream:NTA_ABHYASSubject:ChemistryTopic:Complete d-blockSubtopic:d-block

⏱ 2mℹ️ Source: PYQ_2020

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