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Ionic Bond

When K2Cr2O...

Question

When $K_{2} C r_{2} O_{7}$ is heated with $c o n c . H_{2} S O_{4}$ and soluble chloride such as $K C l$ :

Red vapors of

C r O_{2} C l_{2}

are evolved

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C l^{-}

ion is oxidized to

C l_{2}

gas

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C r C l_{3}

is formed

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C r_{2} O_{7}^{2 -}

ion is reduced to green

C r^{3 +}

ion

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Solution

The correct option is A Red vapors of $C r O_{2} C l_{2}$ are evolved
Option (A) is correct.
When $K_{2} C r_{2} O_{7}$ is heated with $c o n c . H_{2} S O_{4}$ and soluble chloride such as $K C l$ ,red vapors of $C r O_{2} C l_{2}$ are evolved.

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Similar questions

C l^{-}

C l_{2}

({C r_{2} O_{7}}^{2 -})

C r^{3 +}

K_{2} C r_{2} O_{7}

(C r C l_{3})

C l^{-}

C r^{3 +}

K_{2} C r_{2} O_{7}

c o n c . H_{2} S O_{4}

{C r_{2} O_{7}}^{2 -}

100 m L

0.01 M {C r_{2} O_{7}}^{2 -}

C r^{3 +}

F e^{2 +}

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