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The compound used for gravimetric estima...

The compound used for gravimetric estimation of copper (II) is

A

`Cu_(2)(SCN)_(2)`

B

`CU_(2)O`

C

`Cu_(2)I_(2)`

D

`Cu_(2)CO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
`Cu(I)` thiocyanate is used for the gravimetric estimation of `Cu(II).
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RESONANCE ENGLISH-D BLOCK ELEMENTS-EXERCISE-2 PART-II
  1. Lucas reagent is:

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  2. Which one of the following dissolves in hot concentrated NaOH?

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  3. The compound used for gravimetric estimation of copper (II) is

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  4. In the reaction,2CuCl(2)+2H(2)O+SO(2)toA+H(2)SO(4)+2HCl,A is

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  5. Sodium thiosulphate is used in photography because of its:

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  6. MnO4^(2-) (1mol) in neutral aqueous medium disproportionate to

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  7. When H(2)O(2) is added to an acidified solution of K(2)Cr(2)O(7)

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  8. The number of moles of KMnO(4) that will be needed to react with one ...

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  9. Ammonium dichromate is used in some fireworks. The green-coloured powd...

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  10. The number of moles of KMnO4 that are needed to react completely with ...

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  11. Super conductors are derived from compound of:

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  12. In photography , quinol is used as developer accoding to following rea...

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

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  14. Following reaction (s) is /are involved in the iodometric estimation

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  15. The colour of the transition metal ions is//are due to:

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  16. Which of the following statement(s) is/are not correct.

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  17. Select correct statement(s).

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  18. Correct statements about transition metals are that they:

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  19. Transition elements have greater tendency to form complexes because

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  20. Which of the following statement are correct when a mixture of Nacl a...

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