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A student reported the ionic radii of is...

A student reported the ionic radii of isocelectronic species `X^(3+), Y^(2+)` and `Z^-` as 136 pm 64 pm and 49 pm respectively. Is that order correct ? Comment.

Text Solution

Verified by Experts

`:.` Effective nuclear charge is in the order
`(Z_(eff))_(z-)lt(Z_(eff))_X3+` and hence ionic radii should be in the order `r_z gt r_(y2+)gt r_(x3+)`
`:.` The correct value are
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