Verified Solution • 2025–26 Session moderate

QJEEM05Ch7a93: JEE Main 2005 Chemistry - Class 11 JEEM05Ch7a93 Solution: Pick out the isoelectronic structure from the following : ( i ) …

Pick out the isoelectronic structure from the following :

(i)CH3+(ii)H3O+(iii)NH3(iv)CH3−

Multiple Choice Options

  • A (i)(i) and (ii)(ii)
  • B (iii)(iii) and (iv)(iv)
  • C (i)(i) and (iii)(iii)
  • D (ii),(iii)(ii), (iii) and (iv)(iv)

Step-by-Step Verified Solution

Ions No. of electrons
CH3+ 8
H3O+ 10
NH3 10
CH3- 10


∴\therefore    \,\,\, H3O+,NH3{H_3}{O^ + },N{H_3} and CH3−C{H_3}^ - are isoelectronic.

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