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Consider the following list of regents: ...

Consider the following list of regents: Acidified `K_(2)Cr_(2)O_(7)`, alkaline `KMnO_(4)`, `CuSO_(4)`, `H_(2)O_(2)`, `CI_(2)`, `O_(3)`, `HNO_(3)`, and `Na_(2)S_(2)O_(3)`. The total number of reagents that can oxidis aqueous `I^(Theta)` ion `I_(2)` is .....

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Na_(2)S_(2)O_(3) is oxidized by I_(2) to give

Colour of acidified K_(2)Cr_(2)O_(7) is not changed by:

Colour of acidified K_(2)Cr_(2)O_(7) is not changed by:

K_(2)Cr_(2)O_(7) overset(Delta) to K_(2)CrO_(4)+Cr_(2)O_(3)+O_(2)uarr

K_(2)Cr_(2)O_(7) overset(Delta) to K_(2)CrO_(4)+Cr_(2)O_(3)+O_(2)uarr

Write the formula of the compound formed by K_(2)Cr_(2)O_(7) in alkaline solution with 30% H_(2)O_(2) :

Na_(2)CrO_(4)+HCl to H_(2)Cr_(2)O_(7)+Na_(2)SO_(4)

Na_(2)CrO_(4)+HCl to H_(2)Cr_(2)O_(7)+Na_(2)SO_(4)

The conversion of K_(2)Cr_(2)O_(7) into Cr_(2)(SO_(4))_(3) is

Sulphur has highest oxidation state in a. SO_(2) b. H_(2)SO_(4) c. Na_(2)S_(4)O_(6) d. Na_(2)S_(2)O_(3)

RESONANCE ENGLISH-D & F-BLOCK ELEMENTS & THEIR IMPORTANT COMPOUNDS -Exercise 3
  1. The colour of light absorbed by an aqueous solution of CuSO(4) is

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  2. Which of the following halides react(s) with AgNO(3)(aq) to give a pre...

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  3. Consider the following list of regents: Acidified K(2)Cr(2)O(7), alkal...

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  4. Which of the following statement are correct about Cr^(2+) (Z = 24) an...

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  5. Fe^(3+) is reduced to Fe^(2+) by using

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  6. In the following reaction sequence in aqueous solution, th species X, ...

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  7. Which of the following combination will produce H(2) gas ?

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  8. Number of electrons transferred in each case when KMnO(4) acts as an o...

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  9. Which of the following ions has the maximum magnetic moment in aqueous...

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  10. Most common oxidation state for Ce (Cerium) are:

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  11. What would happen when a solution of potassium chromate is treated wit...

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  12. Which one of the following nitrates will leaves behind a metal on stro...

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  13. The atomic number of Vanadium (V), Chromium (Cr), Magnaness (Mn) and I...

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  14. Which of the following group of transition metals is called coinage me...

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  15. The number of d-electrons retained in Fe^(2+) (At. No Fe=26) ions are:

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  16. Ammonia forms the complex [Cu(NH(3))(4)]^(2+) will copper ions in alka...

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  17. The radius of La^(3+)(Z=57) is 106 pm. Which one of the following give...

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  18. Cerium (Z = 58) is an important member of the lanthanoids. Which of th...

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  19. The lanthanide contraction is responsible for the fact that

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  20. Which of th following factor may be regarded as the main cause of Lant...

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