Question

43. A compound B2A2 has the following arrangement of electrons then the elements
A and B are respectively
(A) C, CI (B) C,H
(C) H, C
44.
(D) CI, C​

Answer 1

Answer:

option c is correct .

Explanation:

as hydrogen has 1electron & carbon has 4electron in its outer most shell. as A shares 1electron with B and B shares 3electron with its B.

element form from this is C2H2

Answer 2

Answer:

C. A is hydrogen and B is carbon