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which of the following group of ion is p...

which of the following group of ion is paramagnetic in nature:

A

`Cr^(+),Zn^(2+),Sc^(3+)`

B

`Mn^(2+),Fe^(3+),Ni^(2+)`

C

`Cr^(2+),Mn^(3+),Sc^(3+)`

D

`Cr^(2+),Ni^(2+),Ti^(4+)`

Text Solution

Verified by Experts

The correct Answer is:
B
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RESONANCE-D & F-BLOCK ELEMENTS & THEIR IMPORTANT COMPOUNDS -Exercise 2
  1. Standard reduction electrode potential of Zn^(2+)//Zn is -0.76V. This ...

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  2. Of the ions Zn^(2+),Ni^(2+) and Cr^(3+) (atomic number Zn=30,Ni=28,Cr=...

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  3. which of the following group of ion is paramagnetic in nature:

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  4. Which forms interstitital compouds?

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  5. When H(2)O(2) is added to a acidified solution of K(2)Cr(2)O(7):

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  6. Sodium thiosulphate is used in photography because of its:

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  7. High increase in population is due to:

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  8. Which of the following is not an actinide?

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  9. The correct statement(s) from among the following is/are? (i). all t...

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  10. Which of the following statements is not correct?

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  11. Total number of 3d-series transition elements contain either 3d^(1) or...

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  12. How many of the following show variable oxidation states in their comp...

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  13. Magnetic moment value for a d-block ion is 4.90 BM determine value of ...

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  14. Determine total number of unpaired electrons in following ions Ti^(3...

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  15. An element of I^(st) transition series X^(+3) have highest magnetic mo...

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  16. Chromite ore is processed through the following sequence In this ...

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  17. KMnO(4)underset(R.A.)overset(H^(+))toMn^(x) KMnO(4)underset(R.A.)ove...

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  18. The no. of electrons satisfying n+l=7 for Lu (atomic number:71)

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  19. Correct statements about transiton metals are that they:

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  20. Transition elements have greater tendency to form complexes because th...

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