The molecule electronic configuration of `B_(2)` is

Options

A. `K K ( sigma 2s)^2 ( sigma^(**) 2s)^2 ( pi 2p)_(x)^(1) ( pi p)_(y)^(1)`
B. `K K ( sigma 2s)^2 ( sigma^(**) 2s)^2 ( pi 2p)_(x)^(2) `
C. `K K ( sigma 2s)^2 ( sigma^(**) 2s)^2 ( pi 2p)^2`
D. `K K ( sigma 2s)^2 ( sigma^(**) 2s)^2 ( pi 2p)^(1) ( pi p)^(1)`

Answer

A