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Mark the correct statements:...

Mark the correct statements:

A

Hg forms an amalgam with iron

B

Hg vapour is non-poisonous

C

Hg is mono atomic and monovalent in mercurous compound

D

Oxysalts of mercury are thermally unstable

Text Solution

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The correct Answer is:
D
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VK JAISWAL ENGLISH-d-BLOCK ELEMENTS-Level 2
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  2. Zinc carbonate is precipitated from zinc sulphate solution by the addi...

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  3. Mark the correct statements:

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  4. Mercury is the only metal which is liquid at 0^(@)C.this is due to

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  5. A white percipitate of AgCl dissolves in excess of I) NH(3)(aq)" " ...

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  6. In context of the lanthanoids, which of the following statement is not...

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  7. Properties common to the elements manganese, iron, cobalt, nickel nad ...

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  8. Which of the following process is not associated with steel making?

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  9. Oxygen in absorbed by molten Ag, which is evolved on cooling and the s...

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  10. Which of the following statements regarding copper salts is not true?

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  11. Zinc(II) ion on reaction with NaOH first give a white precipitate whic...

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  12. The conversion of pig iron to steel frequently requires the addition o...

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  13. Dilute nitric acid on reaction with silver liberates:

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  14. Which of the following double salt does not exists?

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  15. When steam is passed over red hot iron, the substance formed are:

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  16. The oxoanion which contains all equivalent M-O bond is: (I)CrO(4)^(...

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  17. In the extraction of silver by Mac-arther cyanide process, a small of ...

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  18. FeCr(2)O(4)+Na(2)CO(3)+O(2) overset("Fusion")(to) [X] overset(H^(+))un...

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  19. CuSO(4)(aq) overset(KCN(uarr))(to)M(darr)overset("Excess")underset(KCN...

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  20. Consider the following transformation : 2CuX(2) overset("Room temper...

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