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Chloride ion and potassium ion are isoel...

Chloride ion and potassium ion are isoelectronic, then:

A

their sizes are same

B

chloride ion is bigger than potassium ion

C

potassium is relatively bigger

D

depends on the other cation or anion

Text Solution

Verified by Experts

The correct Answer is:
B
`Cl^(-)` ion has 17 protons in the nucleus while `K^(+)` has 19 protons. The nuclear charge of `K^(+)` is greater and therefore its size ios smaller.
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