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STATEMENT-1: Half-filled and fully-fille...

STATEMENT-1: Half-filled and fully-filled degenerate orbitals are more stable.
STATEMEHNT-2: Extra stabillity is due to the symmetrical distribution of electrons and exchange energy.

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

(A) is false but (R) is true

Text Solution

Verified by Experts

The correct Answer is:
A
2P orbitals are degenerate.
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NARAYNA-ATOMIC STRUCTURE-All Questions
  1. Assertion(A): Electrons may be considered as particles and waves Rea...

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  2. Assertion(A): psi indicates the amplitude of electron-wave psi^(2) d...

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  3. STATEMENT-1: Half-filled and fully-filled degenerate orbitals are more...

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  4. Assertion (A) : An orbital cannot have more than two electron Reason ...

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  5. Assertion(A): P-orbital can accomadate 6 electrons Reason (R): No tw...

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  6. Statement-1 : The groundstate configuration of Cr is [Ar] 3d^(5) 4s^(1...

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  7. Following questions contains statements given in two columns. Which ha...

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  8. {:(List-I,List-II),((I)hv =W +K.E,(a)"Quantization of angular momentum...

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  9. {:(List-I,List-II),((I)"Wave number",(a)ms^(-1)),((II)"Frequency",(b)n...

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  10. {:(List-I,List-II),((A)"Energy",(1)(2pize^(2))/(nh)),((B)"Velocity",(2...

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  11. {:(List-I,List-II),((I)"Radial probability distribution curve of 3s or...

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  12. {:(List-I,List-II),((A)"nodal plane",(1)(Ze^(2))/(2r)),((B)"p-orbital"...

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  13. {:(List-I,List-II),((I) psi^(2)"depends upon upon distance",(a)"p-orbi...

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  14. {:(List-I,List-II),((A)"No of electrons present in an orbit",(1)2),((B...

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  15. {:(List-I,List-II),((I)"The electrons of same orbital differ in 's' va...

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  16. {:(Column-I,Column-II),((A)7s,(P)"Maximum energy "),((B)4d,(Q)"Maximum...

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  17. {:(Column-I,Column-II),((A)"Radial function"(R),(P)n),((B)"Angular fun...

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  18. Which of the following conclusions couldnot be derived from Rutehrford...

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  20. The probability density plots of 1 s and 2s orbitals are given in figu...

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