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Isoelectronic structures among the follo...

Isoelectronic structures among the following structures are :
`(I) CH_3^+ , (II) H_3O^+ (III) NH_3, (IV) CH_3^-`.

A

I and II

B

III and IV

C

I and II

D

II, III and IV

Text Solution

Verified by Experts

The correct Answer is:
D
Each has ` 10` electrons .
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P BAHADUR-ATOMIC STRUCTURE-Exercise 3A
  1. The ratio of the differrence between the first and second Bohr orbit e...

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  2. The number of vacant d-orbitals in completely excited Cl atom is :

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  3. Isoelectronic structures among the following structures are : (I) CH...

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  4. Possible muber of orientations fo a subshell is :

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  5. If each hydrogen atom is excited by giveng 8. 4 eV of energy , then t...

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  6. The magneit moment fo electron in an atom ( excluding orbitial magnetc...

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  7. Atom conssit of electrons , protons and neutrons . If the mass attribu...

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  8. As an electron is brought form an infinite distance close to the nucle...

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  9. Which orbital is nearest to the nucleus ?

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  10. Which ion has the maximum magnetic moment ?

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  11. The quantum number that does not describe the distance and the angular...

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  12. In hydrogen atom which enrgy level order si bnot correct ?

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  13. If the atomic weight oc C and SI are 12 and 28 respectively , then wha...

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  14. Which will be the most stble among Cu^(+) , Fe^(+) Fe^(2+) and Fe^(3...

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  15. Which jave the same number of s-electrons as the d-dlectrons in Fe^(2...

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  16. Which orbital has two angular nodal planes ?

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  17. psi^2 ,( psi) the wave function resperesents the probability of findi...

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  18. " Positronium " is the name given to an aotm like combination formed b...

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  19. The configureation is 1s^(2) 2s^(2) 2p^(5) , 3s^(1) shows :

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  20. The orbital cylindrically symmetrical abut x-axis is :

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