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which of the given statement(s) is /are ...

which of the given statement(s) is /are false ?
(P) orbital angular momentum of the azimuthal quantum number as lowest for any principle quantum number is `(h)/(pi)`,
(Q) if n=3 ,l=0 ,m=0 for the last valence shell electron ,them the possible atomic number may be 12 or 13 .
(R ) total spin of electrons for the atom `_(25)` Mn is `+-(7)/(2)` .
(S ) spin magnetic moment of inert gas is zero .

A

I, II and III

B

II and III only

C

I and IV only

D

none of these

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The correct Answer is:
A
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RESONANCE-NUCLEAR CHEMISTRY-Exercise-2
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  7. The potential energy of the electron present in the ground state of L...

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  8. Which transition in Li^(2 +) would have the same wavelength as the 2 r...

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  9. Let v(1) be the frequency of series limit of Lyman series, v(2) the fr...

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  10. Number of visible lines when an electron returns from 5th orbit to gro...

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  11. If the shortest wave length of Lyman series of H atom is x, then the w...

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  12. In a sample of H-atoms , electrons de-excite from a level 'n' to 1 . ...

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  13. A particle X moving with a certain velocity has a debroglie wave lengt...

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  14. which of the given statement(s) is /are false ? (P) orbital angular ...

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  15. The value of the spin only magnetic moment of a particular ion is 2.83...

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  16. What are the values of the orbital angular momentum of an electron in ...

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  17. After np orbitals are filled, the next orbital filled will be :- (a)...

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  18. If n and l are respectively the principal and azimuthal quantum number...

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  19. The quantum number + 1//2 and -1//2 for the electron spin represent

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  20. Calculate the number of alpha- and beta-particles emitted when .(92)U^...

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