Question
Question: Which of the following pairs of elements forms a compound with maximum ionic character ?...
Which of the following pairs of elements forms a compound with maximum ionic character ?
A
Na and F
B
Cs and F
C
Na and C
D
Cs and I
Answer
Cs and F
Explanation
Solution
Cs has lowest IE1 amongst the metals and F has higher electron affinity. So Cs and F form most ionic compound.