SATHEE: Atomic Structure Question 74

Atomic Structure Question 74

Question: Pick out the isoelectronic structures from the following $\underset{I}{C H_{3}^{+}},$ $\underset{I I}{H_{3} O^{+}},$ $\underset{I I I}{N H_{3}},$ $\underset{I V}{C H_{3}^{-}},$

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:

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

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

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

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

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Atomic Structure Question 74

Question: Pick out the isoelectronic structures from the following CH3+I, H3O+II, NH3III, CH3−IV,

Options:

Answer:

Solution:

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Question: Pick out the isoelectronic structures from the following $\underset{I}{C H_{3}^{+}},$ $\underset{I I}{H_{3} O^{+}},$ $\underset{I I I}{N H_{3}},$ $\underset{I V}{C H_{3}^{-}},$