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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)+HCl to K_(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
`2K_(2)CrO_(4)+2HClrarrK_(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 .

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

DINESH PUBLICATION-REDOX REACTIONS-Revision Question
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  5. The values of X, Y and Zs in the reaction are repectively: XMnO(4)^(...

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  6. Which of the following is a redox reaction ?

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  8. The oxidation number of Fe in K(4)[Fe(CN)(6)] is

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  9. The oxidation number of S in H(2)S(2)O(8) is

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  10. The oxidation states of sulphur in the anions SO(3)^(2-), S(2)O(4)^(2-...

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  11. MnO(4)^(2-) (1 mole) in neutral aqueous medium is disproportionate to

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  13. Which of the following act both as an oxidising as well as reducing ag...

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  14. How many mole of electrons are involved in the reduction of one mole o...

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  15. What is the oxidation number of chlorine in ClO(3)^(-) ?

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  16. In acidic medium, dichromate ion oxidizes ferrous ion to ferric ion. I...

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  20. Which is the best description of the behaviour of bromine in the react...

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