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Reactivity with Halogens (Group 1)

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Question

The orange solution of $K_{2} C r_{2} O_{7}$ turns yellow on adding NaOH to it .If true enter 1 else 0.
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Solution

The correct option is A 1
The orange solution of $K_{2} C r_{2} O_{7}$ turns yellow on adding NaOH to it. This is due to formation of potassium chromate.
$K_{2} C r_{2} O_{7} + 2 K O H \to 2 K_{2} C r O_{4} + H_{2} O$

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