Question:medium
Which among the following is paramagnetic?
Which among the following is paramagnetic?
Show Hint
A species with one or more unpaired electrons is paramagnetic.
Updated On: Jun 24, 2026
- Cl2O
- ClO2
- Cl2O7
- Cl2O6
Show Solution
The Correct Option is B
Solution and Explanation
To determine which of the given substances is paramagnetic, we need to understand the concept of paramagnetism. Paramagnetism arises due to the presence of unpaired electrons in a molecule. Hence, a substance is paramagnetic if it has at least one unpaired electron in its electronic structure.
Let's examine each option:
- Cl2O: Dichlorine monoxide (Cl2O) has all paired electrons and hence is diamagnetic.
- ClO2: Chlorine dioxide (ClO2) has an odd number of total electrons, leading to one unpaired electron. Thus, ClO2 is paramagnetic.
- Cl2O7: Dichlorine heptoxide (Cl2O7) has all paired electrons, making it diamagnetic.
- Cl2O6: Dichlorine hexoxide (Cl2O6) also has all paired electrons, meaning it is diamagnetic.
From this analysis, ClO2 is paramagnetic due to the presence of an unpaired electron.
Conclusion: The paramagnetic compound among the options given is ClO2.
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