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Potassium dichromate is used...

Potassium dichromate is used

A

As a reducing agent

B

In electroplating

C

As an insecticide

D

as an oxidizing agent it oxidises ferrous ions into ferric ions in acidic media

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • The colour of potassium dichromate is due to

    A
    d - d transition
    B
    transition in `K^+` ion
    C
    ligand- to - metal charge transfer
    D
    metal to ligand charge transfer
  • Potassium dichromate is prepared from

    A
    chromate obtined by the fusion of chromite ore with sodium carbonate in free access of air
    B
    pyrolusite which is fused with potassium hydroxide in th presence of air
    C
    iron pyrites by the fusion with potassium carbonate in presence of moisture
    D
    none of these
  • The colour of potassium dichromate is

    A
    orange.
    B
    yellow.
    C
    purple.
    D
    colourless.
  • NTA MOCK TESTS-NTA NEET SET 72-CHEMISTRY
    1. Potassium dichromate is used

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    2. [Fe(H2O)6]^(2+)and [Fe(CN)6]^(4-) differ in :

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    3. A 0.50 molal solution of ethylene glycol in water is used as coolant i...

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    4. The number of isomers (including stereoisomers) of C5H(10) are

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    5. The correct statement regarding RNA and DNA, respectively is :

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    6. What are the final concentrations of all the ions when following are m...

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    7. In a reaction A to B the rate of reaction increases two times on inc...

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    8. Which of the following amino acid is essential

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    9. The aqueous solution of the following salts will be coloured in the ca...

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    10. The rate of decomposition for methyl nitrite and ethyl nitrite can be ...

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    11. An example of halide ore is

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    12. In which of the following octahedral complexes of Co (at. no. 27), wil...

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    13. For a real gas obeying van der waal's equation , graph is plotted betw...

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    14. Which among the following is not true for the hydrolysis of t - butyl ...

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    15. The active mass of solid is generally taken as

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    16. How many benzylic H - atoms are present in mestitylene ?

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    17. When molten Zn is cooled to solid state, it assumes HCP structure. The...

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    18. A compound that gives a positive iodoform test is :

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    19. Assume each reaction is carried out in an open container. For which r...

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    20. The common features among the species CN^-, CO and NO^+

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