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In the chemical reaction, K2 Cr2 O7 + xH...

In the chemical reaction, `K_2 Cr_2 O_7 + xH_2 SO_4 + ySO_2 rarr K_2SO_4 + Cr_2(SO_4)_3 + zH_2O,` the value of `x,y and z` respectively are :

A

1,3,1

B

4,1,4

C

3,2,3

D

2, 1,2

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Verified by Experts

The correct Answer is:
A
(a) `K_2Cr_2O7 + H_2 overset(x=1)(S)O_4 + 3overset(Y=3)(S)O_2 rarr K_2SO_4 +Cr_2(SO_4)_3 + overset(Z=1)(H_2O)`
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DISHA PUBLICATION-REDOX REACTIONS-EXERCISE-1 : CONCEPT BUILDER ( TOPICWISE )
  1. The oxidation states of the most electronegative elements in the produ...

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  2. Which of the following statements is not correct?

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  3. The3ClO^(-)(aq.)to ClO(3)^(-)(aq.)+2Cl^(-)(aq.) is an example of

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  4. For the reaction : NH3 + OCI^(-) rarr N2H4 + Cl^(-) in basic medium, t...

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  5. Which of the following reactions involve disproportionation ?

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  6. In a balanced equation H(2)SO(4)+xHI rarr H(2)S+YI(2)+zH(2)O, the valu...

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  7. KMnO4 oxidises oxalic acid in acidic medium. The number of CO2 molecul...

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  8. In the chemical reaction, K2 Cr2 O7 + xH2 SO4 + ySO2 rarr K2SO4 + Cr2(...

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  9. Consider the following reaction 5H2O2 +XCIO2 +2OH^(-) rarr XCI^(-)- + ...

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  10. Number of moles of K2Cr2O7 reduced by one mole of Sn^(2+) ion is

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  11. Which of the following statements is not correct?

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  12. The species that undergoes disproportionational is an alkaline medium ...

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  13. What products are expected from the desproprtionation reactin of hypoc...

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

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  15. The number of electrons lost in the following change is Fe+H(2)Orarr...

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  16. When copper is treated with a certain concentration of nitric acid, ni...

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  17. Which of the following is not a disproportionation reaction? I. NH4N...

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  18. Which fo the following statements are correct concerning redox propret...

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  19. Standard electrode potentials of redox couples A^(2+)//A, B^(2+)//B, C...

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  20. The standard electrode potential of four metallic elements (A, B, C an...

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