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The set of numerical coefficients that b...

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

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
`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 chemical equation K_(2)CrO_(4)+HCltoK_(2)Cr_(2)O_(7)+KCl+H_(2)O

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 .

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

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