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When acidified K2Cr2O7 solution is adde...

When acidified `K_2Cr_2O_7 ` solution is added to `Sn^(2+)` salts than `Sn^(2+)` changes to

A

Sn

B

`Sn^(3+)`

C

`Sn^(4+)`

D

`Sn^(+)`

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. How does KMnO4 act as a powerful oxidizing agent in neutral, alkaline ...

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  2. Which of the following statements is not correct ?

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

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  4. Fe shows an oxidation state of +1 in :

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

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

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  7. Give the formula of following compound : pentaamminecarbonatocobalt(II...

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  8. Give the formula of following compound : mercury tetrathiocyanatocobal...

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  9. Write the iupac name of the compound : [Co (NH3)4 (H2O) Cl]Cl2

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  10. Write the iupac name of the compound : K3[Al (C2O4)3]

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  11. Write the iupac name of the compound : [Co (en)2 Cl2]^(+1)

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  12. Write the iupac name of the compound : [Ni (NO)4 ]

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  13. Write the iupac name of the compound : [Cu (NH3) (H2O) Cl2]

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  14. Write the iupac name of the compound : K2[Cu (CN)4]

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  15. Write the iupac name of the compound : [Cr (en)3]Cl3

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  16. Write the iupac name of the compound : K3[Fe (CN)5 NO]

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  17. Write the iupac name of the compound : [Cr Cl (NH3) (en)2]^(+)

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  18. Write the iupac name of the compound : [Co Cl2 (NH3)4 ]^(+)

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  19. Match the properties given in Column I with the metals given in Column...

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  20. Match the statements given in Column I with the oxidation states given...

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