Multiple choice

Which of the following are the ions with identical geometry? (i) NH4+ (ii) IF4+ (iii) ClO2- (iv) ClO4-

  1. i and ii

  2. ii and iii

  3. i and iv

  4. i, ii and iii

  5. ii, iii and iv
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

NH4+ and ClO4- both ions have four bond pairs of electrons and zero lone pair of electrons with tetrahedral geometry. IF4+ has four bond pairs of electrons and one lone pair of electrons with seasaw geometry. ClO2- has three bond pairs of electrons and two lone pairs of electrons with V-shaped geometry. Hence, i and iv are identical in geometry.

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