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An element of 3d-transition series two o...

An element of 3d-transition series two oxidation states x and y, differ by two units then:

A

compounds in oxidation state x are ionic if `xgty`

B

compounds in oxidation state x are ionic if `xlty`

C

compounds in oxidation state y are covalents if `xlty`

D

compounds in oxidation state y are covalents if `xgty`

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The correct Answer is:
B, C
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An element of 3d-transition series shows two oxidation states x and y, differing by two units. Then:

Within each transition series, the oxidation states

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

In 3d series highest oxidation state is shown by

Transition elements exhibit _____ oxidation states.

Which element among 3d series exhibit only one oxidation state ?

VK JAISWAL-d-BLOCK ELEMENTS-ONE OR MORE ANSWER IS/ARE CORRECT
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  2. Mercury is a liquid at 0^(@)C because of:

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

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  4. The metal oxide which decomposes on heating is/are:

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  5. Which of the following acids attack(s) on copper and silver?

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  6. Which of the following statements are true for Mohr's salt?

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  7. Which of the following statement(s) is/are correct?

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  8. Rosasting of copper pyrites is done:

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  9. Identify the correct statements:

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  10. Which statements about mercury are correct?

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  11. Which statements about corrosive sublimate (HgCl(2)) are correct?

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  12. Which statements are correct regarding copper sulphate?

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  13. To an acidified solution, a pinch of Na(2)O(2) is added and shaken. Wh...

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  14. Pick out the correct statement(s):

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  15. The species that undergoes diproportionation in an alkaline medium are...

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  16. Which of the following statements regarding copper salts are true?

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  17. Which is/are insoluble in NH(3) solution?

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  18. Order of paramagnetic character among following elements is/are:

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  19. Choose correct statement(s) regarding the following reaction: Cr(2)O...

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  20. Mercuric chloride is converted into mercury by:

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