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Which of the following element does not ...

Which of the following element does not show the variable oxidation state ?

A

Fe

B

Mn

C

Cu

D

Zn

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The correct Answer is:
D
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AAKASH INSTITUTE-THE D AND F-BLOCK ELEMENTS -Assingnment(Section -A ( Objective Type Questions)(One option is correct))
  1. The element having lowest IE(1)

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  2. Choose the pair in which IE(1) of first element is greater than IE(1) ...

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  3. Which of the following element does not show the variable oxidation st...

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  4. The most common oxidation states of 3d series elements

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  5. In 3d series highest oxidation state is shown by

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  6. With F highest stable oxidation state of Mn is

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  7. With O highest possible oxidation state of Mn is

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  8. Oxygen stablises higher oxidation state because

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  9. Which of the following have highest magnetic moment ?

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  10. Reduction potential of Mn^(2+)//M will depend on

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  11. Amongst the following ions, which is considered as most stable in M^(2...

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  12. Electrode potential of Mn^(2+)//M for Ni is abnormal because of

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  13. The species which is paramagnetic

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  14. A compound of a metal ion M^(X+)(z=24) has a spin only magnetic moment...

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  15. The species which convert Cu^(2+) to Cu^(+)

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  16. Which of the following is not a condition for complex formation?

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  17. Brass is an alloy of

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  18. In acidic medium one mole of MnO(4)^(-) accepts how many moles of elec...

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  19. In the dichromate dianion,

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  20. Which of the following oxide is acidic in nature ?

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