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Introduction to CFT

What is the c...

Question

What is the change in colour of potassium dichromate when aq. KOH is added in it .

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Solution

Orange colour changes to yellow
$C r_{2} {O_{7}}^{2 -} + 2 O H^{-} \to 2 C r {o_{4}}^{2 -} + H_{2} O$
Orange Yellow

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