MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryPeriodic PropertiesPrevious Year Questions

Which one of the following ions has the highest value of ionic radius? (DUMET 2008) (a) O (b) B

C.Li

D.F

Explanation

2 O has the highest value of ionic radius and this can be explained on the basis of Z/e (nuclear charge/number of electrons) ratio. When Z/e ratio increases, the size decreases and vice-versa. Z 1 e r

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