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Identify the correct order of the size o...

Identify the correct order of the size of the following

A

`Ca^(2+) lt K^(+) lt Ar lt S^(2-) lt Cl^(-)`

B

`Ca^(2+) lt K^(+) lt Ar lt Cl^(-) lt S^(2-)`

C

`Ar lt Ca^(2+) lt K^(+) lt Cl^(-) lt S^(2-)`

D

`Ca^(2+) lt Ar lt K^(+) lt Cl^(-) lt S^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
B
In isoelectronic species radius decreases on increasing effective nuclear charge.
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Knowledge Check

  • Identify the correct order of the size of the follwing:

    A
    `Ca^(2+) lt K^+ lt S^(2-) lt CI^(-)`
    B
    `Ca^(2+) lt K^(+)lt CI^- lt S^(2-)`
    C
    `K^+ lt Ca^(2+) lt CI^- lt S^(2-)`
    D
    `K^+ lt Ca^(2-) lt S^(2-)lt CI^-`

  • The correct order of the size is

    A
    `Ca^(2+)gtK^(+)gtArgtClgtS^(2-)`
    B
    `K^(+)gtCa^(2+)gtCl^(-)gtArgtS^(2-)`
    C
    `S^(2-)gtCl^(-)gtArgtK^(+)gtCa^(2+)`
    D
    `S^(2-)gtArgtCl^(-)gtCa^(2+)gtK^(+)`

  • The correct order of size is :

    A
    `Sc lt V lt Cr`
    B
    `Sc lt Y = La`
    C
    `Ni lt Cu lt Zn`
    D
    `Cu lt Au lt Ag`