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Which of the following is (are) correct:...

Which of the following is (are) correct:

A

Calomel is mercuric chloride

B

Calomel is widely used as an antispetic

C

Calomel is used medically as purgative

D

Calomel is freely soluble in water.

Text Solution

Verified by Experts

The correct Answer is:
C
`Hg_(2) + (NO_3)_2 + 2HCl rarr Hg_2Cl_2 darr +2HNO_3`
`Hg_2 + (NO_3)_2 + 2NaCl rarr Hg_2Cl_2 darr + 2NaNO_3` (white ppt)
It is used asx purgative in medicine and making calomel electrode.
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AAKASH SERIES-D & F BLOCK ELEMENTS-LEVEL-II (LECTURE SHEET) (EXERCISE-I)(SINGLE & ONE OR MORE THAN ONE CORRECT ANSWERS)
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  2. K2MaO4 is formed when :

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  3. Which of the following is (are) correct:

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  4. Which statement (s) is (are) incorrect:

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  5. If, in an ammonical solution, salts which produce a black precipate wh...

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  6. Which of the following metals will not react with solution of CuSO4 ?

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  7. Which of the following statement(s) is (are) true for Mohr's salt ?

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  8. CrO(4)^(2-) (yellow) chages to Cr(2)O(7)^(2-) (orange) in p^(H) = y. H...

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  9. The catalyst used in the manufacture of sulphuric acid by contact proc...

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  10. Iodine is liberated on adding potassium iodide solution to solution(s)...

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  11. Select the wrong statement(s) :

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  12. Which of the following statement(s) is (are) con-ect ?

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  13. CuCN reacts with FeCl3 to give

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  14. respectively in the given reactions

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  15. Transition elements form complexes due to

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  16. The complex forming ability of a transition metal depends upon

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  17. Which of the following statement is incorrect?

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  18. Lanthanides are separated best by

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  19. Which of the following statements regarding Ni and Pt are correct

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  20. Identify incorrect statement

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