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Which of the following statement is corr...

Which of the following statement is correct in relation to the hydrgen atom ?

A

3-s-orbitl is lower in enrgy thabn 3p-orbital

B

3-s-orbitl is higher in enrgy thabn 3p-orbital

C

3s-orbitla is lower in erngy than 3d-orbital

D

3s, 3p and 3d-orbitlas all have the same enrgy .

Text Solution

Verified by Experts

The correct Answer is:
D
Sub-shells of each shell in H-atom passess same enrgy level .
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P BAHADUR-ATOMIC STRUCTURE-Exercise 4
  1. Of the following outer lectronic configurations fo atoms the highest o...

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  2. In a malti-electrons atom which of the following orbitals deseribed...

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  3. Which of the following statement is correct in relation to the hydrgen...

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  4. According to Boohr's theory the angular momentum of an electron in 5th...

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  5. Uncertainty in the position of an electron mass (9. 1 xx 10^(31) kg) ...

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  6. The sping only maagentic mome ( in Bohr magneton , MC) of Hi^(2+) in ...

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  7. Which one of the following sets of ions represents a colloection of is...

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  8. Which of the following sets of quantum numbers reperesent the highest ...

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  9. The ionization enthalpy of hydrogen atom is 1.312 xx 10^6 J mol^-1. Th...

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  10. In an atom an electrron is momving with a speed fo 600 m//s with an a...

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  11. Calculate the awavength ( in naometer ) assoricatioed with a protojn m...

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  12. Ionisation energy of He^+ is 19.6 xx 10^-18 J "atom"^(-1). The energy ...

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  13. The energy required to break one mole of Cl-Cl bonds in Cl2 is 242 kJ ...

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  14. A gas absorbs a photon fo 355nm and emits at two wavelengths . If one...

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  15. The electrons identifted by quantum nymbers ( n) and (l) : can be p...

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  16. A 3p-orbital has :

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  17. Which has maimum number fo unpaired elecron ?

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  18. For a d electron the orbital angular momentum is

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  19. The first use of quantum theory to explain the structure of atom was m...

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  20. The energy of an electron in the first Bohr orbit of H atom is -13.6 e...

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