Atomic Structure Question 74

Question: Pick out the isoelectronic structures from the following $ \underset{I}{\mathop{CH_3^{+}}}, $ $ \underset{II}{\mathop{H_3{O^{+}}}}, $ $ \underset{III}{\mathop{NH_3}}, $ $ \underset{IV}{\mathop{CH_3^{-}}}, $

Options:

A) I and II

B) I and IV

C) I and III

D) II, III and IV

Show Answer

Answer:

Correct Answer: D

Solution:

$ CH_3^{+}=6+3-1=8{e^{-}}, $

$ H_3{O^{+}}=3+8-1=10{e^{-}}, $

$ NH_3=7+3=10{e^{-}}, $

$ CH_3^{-}=6+3+1=10{e^{-}} $



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