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K(2)Cr(2)O(7) reacts with NH(4)Cl in pre...

`K_(2)Cr_(2)O_(7)` reacts with `NH_(4)Cl` in presence of `H_(2)SO_(4)`. The product formed is

A

chromyl chlorate with green vapour

B

chromous chloride with white vapour

C

chromous chloride with blue vapour

D

chromyl chloride with deep red colour.

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PRADEEP-D- AND F-BLOCK ELEMENTS-COMPETITIONS FOCUS
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  2. In chromite ore, the oxidation number of iron and chromium are respect...

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  3. K(2)Cr(2)O(7) reacts with NH(4)Cl in presence of H(2)SO(4). The produc...

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  4. When hydrogen peroxide is added to acidified potassium dichromate, a b...

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  5. When sulphur dioxide is passed in an acidified K(2)Cr(2)O(7) solution,...

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  6. Which one of the following statements is correct when SO(2) is passed ...

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  7. A mixture of salts (Na(2)SO(3)+K(2)Cr(2)O(7)) in a test tube is treate...

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  8. How many moles of iodine are liberated when 1 mole potassium dichromat...

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  9. Which of the following will not give positive chromyl chloride test ?

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  10. In which of the following ions, the colour is not due to d-d transitio...

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  11. The bonds present in the structure of dichromate ion are

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  12. Which of the following does not give oxygen on heating ?

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  13. Identify the product and the colour when MnO(2) is fused with solid KO...

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  14. KMnO(4) can be prepared from K(2)MnO(4) as per the reaction 3MnO(4)^...

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  15. When a mananous salt is fused with a mixture of KNO(3) and and solid N...

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  16. In acidic medium MnO(4)^(2-)

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  17. The coloured spot ofKMnO(4) on any article can be bleached by

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  18. MnO(4)^(-) reacts with Br^(-) in alkaline pH to give

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  19. Amount of oxalic acid present in a solution can be determined by its t...

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  20. An explosion takes place when conc. H(2)SO(4) is added to KMnO(4) due ...

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