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The 3d-metal ion are generally paramagne...

The 3d-metal ion are generally paramagnetic in nature because

A

they from coloured salts

B

they have one or more unpaired d-electrons

C

they have one or more paired electrons

D

they are reducing agents

Text Solution

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The correct Answer is:
B
The 3d metal ion are generally paramagnetic in nature because they have one or more unpaired d-electrons.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-D - AND F-BLOCK ELEMENTS-Exercise 2 (Miscellaneous Problems)
  1. Cuprous ion is colourless, while cupric ion is colured because

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  2. The oxidation number of Mn in the product of alkaline oxidative fusion...

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  3. The 3d-metal ion are generally paramagnetic in nature because

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  4. the caculated magnetic moment of a divalent ion of an atomic number 2...

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  5. Four successive members of the first row transition elements are liste...

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  6. Among the following series of transition metal ions, the one in which ...

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  7. The colourless species is

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  8. Amongst the following, the lowest degree of paramgnetism per mole of t...

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  9. Which do not decolourise KMnO(4) in aqueous solution?

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  10. Potassium permaganate acts as oxidant in alkaline and acidic media. Th...

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  11. A certain metal will liberate hydrogen from dilute acids. It will reac...

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  12. Cu^(2+) has a stronger polarising power than that of Ca^(2+) because

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  13. On addition of AgNO(3) to four different test tubes containing differe...

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  14. Which of the following compounds will show magnetic moment of 1.72 BM...

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  15. Which of the following statement (s) is /are correct? (I) In acidic ...

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  16. Which of the following paires have same radii?

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  17. Zn gives H(2) gas with H(2)SO(4) and HCl but not with HNO(3) because

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  18. Which of the statements (s) is/are not true?

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  19. When H(2)O(2) is shaken with an acidified solution of K(2)Cr(2)O(7) in...

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  20. Which of the following lanthanoid ions is diamagnetic? (Atomic number ...

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