Which of the following has a high polarising power? [CET Pune 1998]
A. Mg2+
B. Al3+
C. Na+
D. Ca2+
Answer:B
Which of the following has a high polarising power? [CET Pune 1998]
A. Mg2+ B. Al3+ C. Na+ D. Ca2+
Explanation: According to Fajan's rules, the greater the charge the greater is the polarizing power of cation.