Question

Which of the following species is paramagnetic in nature?

• A. Carbonium ion
• B. Free radical
• C. Singlet Carbene
• D. Nitrene

Answer 1

Answer: (B)

Species	Valence electrons	Magnetic behavior
Carbonium ion	6	Diamagnetic
Free radical	7	Paramagnetic
Carbene	6	Diamagnetic
Nitrene	6	Diamagnetic