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CrO(4)^(2-)+H^(+) +H(2)O(2) overset("eth...

`CrO_(4)^(2-)+H^(+) +H_(2)O_(2) overset("ether")rarr X +H_(2)O`
Identify the correct statement with respect to X.

A

It is an acid anhydride of chromic acid

B

It is a red colour compound which can be extracted easily into the etherial phase

C

It is chromium peroxide which produces blue colouration in ether layer on gentle shaking

D

It is `Cr_(2)O_(3)` which is used as a green pigment

Text Solution

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The correct Answer is:
C
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GRB PUBLICATION-SALT ANALYSIS-I. IIIrd Group Cations
  1. How do we differentiate between Fe^(3+) and Cr^(3+) in group III^(rd)?

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  2. A mixture of chlorides of copper, cadmium, chromium, iron and aluminiu...

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  3. CrO(4)^(2-)+H^(+) +H(2)O(2) overset("ether")rarr X +H(2)O Identify t...

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  4. FeCI(3)+K(3)[Fe(CN)(6)] +H(2)O(2) overset(OH^(-))rarr Precipitate. The...

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  5. CrCl(3) underset(NH(4)OH)overset(NH(4)Cl)to (A) underset(H(2)O)overset...

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  6. Give the correct order of initials T or F for following statements. Us...

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  7. Fe^(2+) and Fe^(3+) can be distinguished by

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  8. An aqueous solution of a salt X turns blood red on treatment with SCN^...

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  9. Ferric ion forms a prussian blue coloured ppt. due to

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  10. Which of these ions is expected to be coloured in aqueous solution? ...

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  11. Which 2.00M solution can be used to separate AI^(3+) from Fe^(3+) in a...

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  12. Choose the reaction in which red colour precipitate/solution is not ob...

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  13. A red colouration or precipitate is not obtained when:

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  14. Which of the following precipitate(s) does /do not dissolve in excess ...

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  15. When NH(4)Cl is added to a solution of NH(4)OH :

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  16. The solution of sodium metal aluminate on diluting with water and then...

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  17. An original solution of an inorganic salt in dilute HCl gives a brown ...

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  18. Intense blue precipitate of Fe(4)[Fe(CN)(6)](3) and potassium hydroxid...

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  19. Turnbull's blue is a .............

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  20. Fe(OH)(3) and Cr(OH)(3) precipitates can be completely separated by :

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