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What happens when chromates are kept in ...

What happens when chromates are kept in acidic solution and dichromates in the alkaline solution ?

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Chromates in the acidic solution are converted into dichromates and thus the colour becomes orange whereas dichromates in the alkaline solution are converted into chromates and the colour becomes yellow.
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CENGAGE CHEMISTRY ENGLISH-APPENDIX INORGANIC VOLUME 2-Short Answer Type
  1. Name the elements which are not really transition elements but are dis...

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  2. Account for the following : (a) (i) Copper(I) compounds are white whe...

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  3. What happens when chromates are kept in acidic solution and dichromate...

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  4. Which is the most common oxidation state of lanthanoids?

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  5. In the transition element series starting from lanthanun (""(57)La), t...

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  6. Why does vanadium pentoxide acts as a catalyst?

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  7. The size of the trivalent cations in the lanthanoid series decreases s...

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  8. Give the general electronic configuration of actinoids

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  9. Write any two uses of pyrophoric alloys.

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  10. What is the maximum oxidation state in actinoids?

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  11. Name one ore each of manganese and chromium.

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  12. In the transition series, with an increase in atomic number, the atomi...

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  13. What is the effect of increasing pH on K2Cr2O7 solution?

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  14. What is the basic difference between the electronic configurations of ...

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  15. Why do transition elements show similarities along the horizontal peri...

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  16. Out of Al, Zn, Mg and Fe which is the densest element?

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  17. Write the electronic configuration of the element with atomic number 1...

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  18. Explain why transition elements have many irregularities in their elec...

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  19. Explain the following : The paramagnetic character in 3d-transition ...

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  20. Scandium forms no coloured ions, yet it is regarded as a transition el...

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