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The wrong statement regarding transition...

The wrong statement regarding transition metals among the following is:

A

4s electrons penetrate towards the nucleus more than 3d electrons.

B

atomic radii of transition metla increase rapidly with increase in atomic number because of poor shielding of nuclear attraction by (n-1)d electrons

C

second and third transtion series elements have nearly the same size.

D

Theirr densities are ghiher and densities of the 5d series elements are higher than those of 4d series elements.

Text Solution

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The correct Answer is:
B
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RESONANCE ENGLISH-D & F-BLOCK ELEMENTS & THEIR IMPORTANT COMPOUNDS -Exercise 1
  1. The transition elements have a general electronic configuration.

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  2. The atomic volume of the transition elements are low compared with ele...

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  3. The wrong statement regarding transition metals among the following is...

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  4. First IE of 5d seties element are higher than those of 3d and 4d serie...

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  5. Ionisation energies of Ni and Pt in Kjmol^(-1) are given below {:(,u...

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  6. Maximum oxidation state is shown by:

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  7. Which of the following statement is false?

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  8. Which of the following has the maximum number of unpaired d-electron?

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  9. Highest magnetic moments, shown by the transition metal ion with the ...

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  10. Magnetic moment of Cr^(+2)(Z=24),Mn^(+2)(Z=25) and Fe^(2+) (Z=26) are ...

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  11. Spin only magnetic moment of .(25)Mn^(x+)ion is sqrt(15) B.M. Then, t...

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  12. Colour in transition metal compounds in attributed to

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  13. MnO(4)^(-) is of intense pink colour, though Mn is in (+7) oxidation s...

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  14. The yellow colour of chromates changes to orange on acidification due...

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  15. The catalytic activity of transition metals and their compounds is asc...

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  16. KMnO(4) is the oxo salt of :

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  17. The solubility of silver bromide in hypo solution (excess) is due to ...

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  18. In dilute alkaline solution,MnO(4)^(-) changes to:

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  19. Cl(2) gas is obtained by various reactions but not by:

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  20. The developer used in photography is an alkaline solution of:

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