JEE Mains · Chemistry · STD 11 - 4. Chemical bonding and molecular structure
Number of molecules/species from the following having one unpaired electron is _______.
[\(\mathrm{O}_2, \mathrm{O}_2^{-1}, \mathrm{NO}, \mathrm{CN}^{-1}, \mathrm{O}_2^{2-}\)]
- A \(1\)
- B \(2\)
- C \(3\)
- D \(4\)
Answer & Solution
Correct Answer
(B) \(2\)
Step-by-step Solution
Detailed explanation
According to \(M.O.T.\) \(\mathrm{O}_2 \rightarrow\) no. of unpaired electrons \(=2\) \(\mathrm{O}_2^{-} \rightarrow\) no. of unpaired electron \(=1\) NO \(\rightarrow\) no. of unparred electron \(=1\) \(\mathrm{CN}^{-} \rightarrow\) no. of unparred electron \(=0\)…
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