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Irregular trend in the standard reductio...

Irregular trend in the standard reduction potential value of first row transition elements is due to

A

regular variation of first and second row enthalpies

B

irregular variation of sublimation enthalpies

C

regular variation of sublimation enthalpies

D

increase in number of unpaired electrons

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The correct Answer is:
b
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PRADEEP-D- AND F-BLOCK ELEMENTS-TEST YOUR GRIP( MULTIPLE CHOCE QUESTIONS)
  1. Which of the following is not a transition element ?

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  2. In first transition series which of the following has lowest enthalpy ...

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  3. Irregular trend in the standard reduction potential value of first row...

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  4. Which element does not show variable oxidation state ?

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  5. The maximum oxidation state of osmium is

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  6. Which of the following oxidation states is the most common among the l...

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  7. Which of the following cation is colourless in its aqueous solution

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  8. Which metal has highest density ?

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  9. Formation of interstitial compound makes the transition metal

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  10. Which of the following element about transition elements is incorrect ...

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  11. Permanent magnets are generally made of alloys of

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  12. Which of the following oxides of chromium is amphoteric in nature?

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  13. In the reaction : NaCl+ K(2)Cr(2)O(7) +cons. H(2)SO(4) overset("heat"...

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  14. In KMnO(2) on heating to red hot gives

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  15. KMnO(4) on heating to red hot gives

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  16. Which is the strongest base among the following ?

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  17. The electronic configuration of gadolinium (At. No 64) is:

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  18. Name a member of the lanthanoid series which is well known to exhibit ...

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  19. Larger number of oxidation state are exhibited by the actinoids than t...

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  20. Which of the following factor may be regarded as the main cause of lan...

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