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The electrons, identified by quantum num...

The electrons, identified by quantum numbers n and l(i) n=4,l=1 (ii) n=4, l=0 (iii) n=3,l=2 (iv) n=3, l=1 can be placed in order of increasing energy from the lowest to highest as

A

`(iv) lt (ii) lt (iii) lt (i)`

B

`(ii) lt (iv) lt (i) lt (iii)`

C

`(i) lt (iii) lt (ii) lt (iv)`

D

`(iii) lt (i) lt (iv) lt (ii)`

Text Solution

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The correct Answer is:
A
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NCERT FINGERTIPS-PRACTICE PAPER 3-Practice Paper 3
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  2. What is the decreasing order of strength of the bases OH^(-),NH(2)^(-)...

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  3. The electrons, identified by quantum numbers n and l(i) n=4,l=1 (ii) n...

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  4. Conjugate base of a strong acid is

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  5. A sample of gas has a volume of V(1) litre at temperature t(1).^(@)C. ...

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  6. The liquefaction behaviour of temporary gases approacches that of perr...

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  7. When the temperature is raised, viscosity o the liquid decreases. This...

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  8. the pH of a solution prepared by mixing 2M, 100 mL HCl and M, 200 mL N...

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  9. In which of the following ionisation processes, the bond order has inc...

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  10. In which of the following pairs, the hybridisation of central atoms is...

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  11. Select correct statement for BrF(5).

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  12. Consider a P(y) orbital of an atom and identify correct statement

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  13. Which of the following will have maximum dipole moment?

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  14. Which of the following is not the consequence of H-bonding?

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  15. The two equilibrium AB hArr A^(+) + B^(-) and AB+B^(-)hArrAB(2)^(-) ar...

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  16. Consider the following equilibrium in a closed container, N(2)O(4(g)...

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  17. The degree of dissociation alpha of the reaction" N(2)O(4(g))hArr 2N...

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  18. (I) H(2)O(2)+O(3) to H(2)O+2O(2) (II) H(2)O(2)+Ag(2)O to 2Ag+H(2)O+O...

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  19. Which set of quantum numbers is possible for the last electron of Mg^(...

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  20. Which of the following reactions is said to be entropy driven?

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