Multiple choice

In which of the following arrangements is the sequence not strictly according to the property written against it?

  1. Polarising power: Be2+ > Mg2+ > Zn2+ > Ca2+ 2. Bond dissociation energy: F2 > Cl2 > Br2 > I2 3. Basicity: NH3 > PH3 > AsH3 > SbH3

  1. Only 1

  2. Only 2

  3. Only 3

  4. Both 1 and 2

  5. Both 2 and 3

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Correct order of bond dissociation energy is Cl> Br> F> I2.