JEE Mains · Chemistry · STD 11 - 4. Chemical bonding and molecular structure
Which of the following is paramagnetic ?
- A \(N{O^ + }\)
- B \(CO\)
- C \(O_2^{2 - }\)
- D \(B_2\)
Answer & Solution
Correct Answer
(D) \(B_2\)
Step-by-step Solution
Detailed explanation
Total electron \(NO^+\) \(14\) \(CO\) \(14\) \(O_2^{2-}\) \(18\) \(B_2\) \(10\) \(N{O^ + } \Rightarrow KK.\sigma {(2s)^2}{\sigma ^*}{(2s)^2}.{(\pi 2{p_x})^2}\) \( = {(\pi 2{p_y})^2}.{(\sigma 2{p_z})^2}\) diamagnetic…
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