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Within each transition series, the oxida...

Within each transition series, the oxidation states

A

decreases regularly in moving from left to right

B

first increases till the middle of the period and then decreases

C

first decreases till the middle of period and then increases

D

None of above

Text Solution

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The correct Answer is:
B
Within each transition series, the oxidation states first increases yill the middle of the period and then decreases.
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The transition element ( with few exceptions ) show a large number of oxidation states . The various oxidation states are related to the electronic configuration of their atoms. The variable oxidation states of a transition metal is due to the involvement of (n-1)d and outer ns electrons . For the first five elements of 3d transition series , the minimum oxidation state is equal to the number of electrons in 4s shell and the maximum oxidation state is equal to the sum of 4s and 3d electrons. The relative stability of various oxidation states of a given element can be explained on the basis of stability of d^(0),d^(5) and d^(10) configuration . In 3d series, the maximum oxidation state is shown by

The transition element ( with few exceptions ) show a large number of oxidation states . The various oxidation states are related to the electronic configuration of their atoms. The variable oxidation states of a transition metal is due to the involvement of (n-1)d and outer ns electrons . For the first five elements of 3d transition series , the minimum oxidation state is equal to the number of electrons in 4s shell and the maximum oxidation state is equal to the sum of 4s and 3d electrons. The relative stability of various oxidation states of a given element can be explained on the basis of stability of d^(0),d^(5) and d^(10) configuration . In which of the following pairs , the first species is more stable than second one

The transition element ( with few exceptions ) show a large number of oxidation states . The various oxidation states are related to the electronic configuration of their atoms. The variable oxidation states of a transition metal is due to the involvement of (n-1)d and outer ns electrons . For the first five elements of 3d transition series , the minimum oxidation state is equal to the number of electrons in 4s shell and the maximum oxidation state is equal to the sum of 4s and 3d electrons. The relative stability of various oxidation states of a given element can be explained on the basis of stability of d^(0),d^(5) and d^(10) configuration . Identify the correct statement

An element of 3d-transition series shows two oxidation states x and y, differing by two units. Then:

In which complex is the transition metal in zero oxidation state:

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-D - AND F-BLOCK ELEMENTS-Exercise 2 (Miscellaneous Problems)
  1. For which of the following pairs, magnetic moment is same ?

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  2. A comapound in which a metal ion M^(x+)(Z=25) has a spin only magnetic...

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  3. Within each transition series, the oxidation states

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  4. Which one of the following reactions will occure on heating AgNO(3) ab...

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  5. Among the following, the compound that is both paramagnetic and colour...

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  6. Number of electrons in 3d-orbital of V^(2+),Cr^(2+),Mn^(2+) and Fe^(2+...

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  7. A soild, A which has photographic effect reacts with the solution of a...

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  8. Amongst [TiE(6)]^(2-), [CoF(6)]^(3-), Cu(2)Cl(2) and [NiCl(4)]^(2-) [A...

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  9. At pH=4,CrO(4)^(2-) exists as

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  10. When Kl (excess) is added to (I)CuSO(4) , (II) HgCl(2) (III) Pb(N...

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  11. In which of the following complexes the metal ion is in zero oxidation...

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  12. Consider the followinh reaction of permaganate ions. (I)10I^(-)+2Mn...

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  13. Which of the following statement (s) is/are correct when a mixture of ...

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  14. When KMnO(4) solution is added to hot oxalic acid solution, the decolo...

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  15. What happen when a solution of potassium chromate is treated with an e...

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  16. When SO(2) is passed through an acidified K(2)Kr(2)O(7) solution, the ...

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  17. The catalytic of the transition metals and their compounds is describe...

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  18. Select the correct order of oxidising power in acidic medium.

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  19. Magnetic moment of maganese in (NH(4))(2) MnBr(2) is

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  20. Pick out the correct statements from the following. (I) Cobalt (III...

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