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Assertion : CrO(3) is an acid anhydride....

Assertion : `CrO_(3)` is an acid anhydride.
Reason: `CrO_(3)` is obtained as bright orange crystals by the reaction of `K_(2) Cr_(2) O_(7)` with cold concentrated `H_(2) SO_(4)`.

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Give reason : CrO_(3) is an acid anhydride.

In the reaction : CrO_(4)^(2-) + X to Cr_(2)O_(7)^(2-) X is

K_(2)Cr_(2)O_(7)+NaoH to CrO_(4)^(2-)

K_(2)Cr_(2)O_(7)+NaoH to CrO_(4)^(2-)

K_(2)Cr_(2)O_(7)+NaoH to CrO_(4)^(2-)

K_(2)CrO_(4) is converted to K_(2)Cr_(2)O_(7) by

Complete the given redox reaction H_(2)S+K_(2)CrO_(4)+H_(2)SO_(4) rarr