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Choose the correct statement(s)....

Choose the correct statement(s).

A

Successive enthalpies of transition elements do not increase as steeply as in the main group elements.

B

The magnitude of the increase in the second and third ionsiation enthalpies for the successive elements of transition series, in general, is much higher.

C

The lowest common oxidation state of transition metals is `+2`.

D

The second ionisation enthalpy of Cr and Cu are usually high.

Text Solution

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The correct Answer is:
A, B, C, D
(d). `d^(5) and d^(10)` configurations of `M^(+)`, ions are disrupted, with considerable loss of exchange energy.
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GRB PUBLICATION-D-BLOCK ELEMENTS-Multiple objective type
  1. Which metal(s) has/have a typical metallic structure?

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  2. Choose the correct statement(s):

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  3. Choose the correct statement(s).

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  4. For which of the following elements is it difficult to obtain oxidatio...

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  5. Lesser number of oxidation states at the extreme ends of the transitio...

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  6. The E^(0)(M^(2+)//M) value for copper is positive (+0.34V). What is po...

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  7. A comparative study of E^(@)(M^(3+)|M^(2+)) values show varying trends...

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  8. Beyond Mn no metal has a trihalide except:

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  9. Beyond Mn which trifluoride exists?

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  10. Select the correct match for oxocation in acidic medium with respect t...

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  11. Select the correct statement(s) for interstitial compounds.

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  12. Select the correct reaction for vanadium species:

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  13. Select the correct statement(s) about Cr(2)O(7)^(2-) and CrO(4)^(2-)

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  14. Select the correct reaction sequence(s)?

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  15. Choose the correct statement about KMnO(4).

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  16. Conversion of manganous salt to MnO(2) using KMnO(4) in netural medium...

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  17. An element of 3d-transition series shows two oxidation states x and y,...

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  18. To an acidified dichromate solution, a pinch of Na(2)O(2) is added and...

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  19. Potash alum is a double salt, its aqueous solution shows the character...

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  20. Addition of non-metals like B and C to the interstitial sites of a tra...

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