JEE Main 2005 — Structure Of Atom Question with Solution
From: AIEEE 2005
Question
Pick out the isoelectronic structure from the following :
\eqalign{ & \left( i \right)\,\,\,\,\,\,C{H_3}^ + \cr & \left( {ii} \right)\,\,\,\,{H_3}{O^ + } \cr & \left( {iii} \right)\,\,\,N{H_3} \cr & \left( {iv} \right)\,\,\,\,C{H_3}^ - \cr}
\eqalign{ & \left( i \right)\,\,\,\,\,\,C{H_3}^ + \cr & \left( {ii} \right)\,\,\,\,{H_3}{O^ + } \cr & \left( {iii} \right)\,\,\,N{H_3} \cr & \left( {iv} \right)\,\,\,\,C{H_3}^ - \cr}
Choose an option
Show full solutionCorrect option: D
Correct answer
D and
Step-by-step explanation
| Ions | No. of electrons |
|---|---|
| CH3+ | 8 |
| H3O+ | 10 |
| NH3 | 10 |
| CH3- | 10 |
and are isoelectronic.
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This is a previous-year question from JEE Main 2005, covering the Structure Of Atom chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.