Question

30. The number of ione pairs on oxygen in the complex Et2O.B F3 :
(A) 0 (B) 1
(C) 2 (D) 3
31. Which element representing the following configuration will have the highest electron affinity ?
(A) [Ne] 3s2 3p3 (B) [Ne] 3s2 3p4
(C) [Ne] 3s2 3p5 (D) [Ne] 3s1​

Answer 1

c) 2 d) ...............