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The number of moles of KMnO4 that will b...

The number of moles of `KMnO_4` that will be needed to react with
one mole of sulphite ion acidic solution, is

A

`2/5`

B

`3/5`

C

`4/5`

D

`1/5`

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Draw lewis structure of ozone

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  2. There are 14 elements in actinoid series. Which of the following eleme...

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  3. The number of moles of KMnO4 that will be needed to react with one ...

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  4. Which of the following is amphoteric oxide? Mn2O7, CrO3, Cr2O3, CrO, V...

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  5. Gadolinium belongs to 4f series. Its atomic number is 64. Which of the...

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  6. Interstitial compounds are formed when small atoms are trapped inside ...

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  7. Find the magnetic moment of Cr^(2+)

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  8. WhenI^(-) is oxidised by MnO4^(-) in alkaline medium, I^(-) converts ...

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  9. Which of the following statements is not correct ?

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  10. When acidified K2Cr2O7 solution is added to Sn^(2+) salts than Sn^(2+...

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  11. Maximum oxidation number of manganese is in

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  12. Why do elements in the same group have similar physical and chemical p...

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  13. Write one oxidising reaction of KMnO4 in basic medium.

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  14. Which of the following compounds is not coloured?

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  15. Which of the following metallic ions have almost same spin only magnet...

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  16. Write the oxidation number of Co : [CoCl2 (en)2]^+

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  17. In which of the following compounds, iron has the lowest oxidation num...

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  18. General electronic configuration of actionoids is [Rn] 5f^(1-14) 6d^...

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  19. Give one example of Lanthanoid having +2 oxidation state.

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  20. Which of the following ions show higher spin only magnetic moment valu...

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