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Among the following which species is/are...

Among the following which species is/are paramagnetic
(i) `Sr^(2+)` (ii) `Fe^(3+)` (iii) `Co^(2+)` (iv) `S^(2-)` (v) `Pb^(2+)`

A

i, iv, v

B

i, ii, iii

C

ii, iii

D

iv, v

Text Solution

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The correct Answer is:
C
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ALLEN-QUANTUM NUMBER & PERIODIC TABLE-EXERCISE
  1. Choose the s-block element from the following:

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  2. The statement that is not correct for the periodic classification of e...

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  3. Among the following which species is/are paramagnetic (i) Sr^(2+) ...

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  4. It each orbital can hold a maximum of three electrons, the number of e...

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  5. Which of the following clement has highest metallic character

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  6. The electronic configuration of an clement is 1s^(2), 2s^(2), 2p^(6), ...

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  7. the number of d- electrons in Mn^(2+) is equal to that of :

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  8. Which of the following is correct order of EA.

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  9. Select the correct statement(s).

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  10. Which of the following are correct

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  11. If Aufbau's principle and Hund's rule were not followed.

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  12. In halogen, which of the following properties increase from iodine to ...

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  13. ln which of the following sets of elements 1^(st) element is more meta...

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  14. Amongst the following statements, which is/are correct?

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  15. Select the correct statements (s)

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

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  17. Assertion: The first ionisation energy of Be is greater than that of B...

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  18. Statement-1 : IE(1) ofN is greater than 0 . Statement-2: N-atom is b...

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  19. Statement-1 : First electron gain enthalpy is alway -ve for an element...

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  20. Statement-1: Ionization potential of Sn is less than Pb. Statement-2...

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