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The set of numerical coefficients that b...

The set of numerical coefficients that balances the chemical equation
`K_(2)CrO_(4)+HCltoK_(2)Cr_(2)O_(7)+KCl+H_(2)O`

A

`1,1,2,2,1`

B

`2,2,1,1,1`

C

`2,1,1,2,1`

D

`2,2,1,2,1`

Text Solution

Verified by Experts

The correct Answer is:
D
The balanced equation is
`2K_(2)CrO_(4)+2HCl to K_(2)Cr_(2)O_(7)+2KCl+H_(2)O`
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The set of numerical coefficients that balances the following equation is K_2 CrO_4+ HCl rarr K_4 Cr_2O_7 + KCl +H_2O .

Na_(2)CrO_(4)+HCl to H_(2)Cr_(2)O_(7)+Na_(2)SO_(4)

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