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  • Why alkali metal salts are usually white in color?Option: 1 Because they are ionic.Option: 2 <

Why alkali metal salts are usually white in color?

Option: 1

Because they are ionic.


Option: 2

Because they are covalent.


Option: 3

Because of fully filled shells of cation.


Option: 4

Because of the high ionic bond dissociation energy.


Answers (1)

best_answer

As the cation has completely filled outer shell, the electrons require large energy to move into higher states which is very difficult. Again, if such a transition occurs then it needs to absorb radiation from the UV spectrum and remain colourless.

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Pankaj

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