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Acidified potassium dichromate is treate...

Acidified potassium dichromate is treated with hydrogen sulphide. In the reactiion, the oxidation number of chromium

A

increases from `+3 "to" +6`

B

decreases from `+6 "to"+3`

C

remanins unchanged

D

decreases from `+6"to"+2`

Text Solution

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The correct Answer is:
B
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TARGET PUBLICATION-D AND F-BLOCK ELEMENT -CRITICAL THINKING
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  4. The bonds present in the structure of dichromate ion are

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  6. In acidic medium one mole of MnO(4)^(-) accepts how many moles of elec...

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  7. Which orbital is progressively filled in lanthanides?

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  8. In which of the lanthanide elements, 5d electrons does NOT shift to 4f...

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  9. Configuration of La^(+3) will be same as .

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  10. Which of the following has the same observed and expected electronic c...

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  11. The most stable state of Ce (Z = 58) is

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  12. Among the following lanthanoid ions, the paramagnetic ion is

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  13. La^(+3) and Lu^(+3) have their ionic radii 'a' and 'b' respectively, t...

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  14. Across the lanthanide series, the basicity of the lanthanoid hydroxide...

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  17. Identify the INCORRECT statement.

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  19. Which of the following is FALSE regarding actinoids?

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