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Q

I have a doubt, kindly clarify. Calomel is:

Calomel is:

  • Option 1)

    Hg_{2}Cl_{2}\: and\: Hg

  • Option 2)

    HgCl_{2}

  • Option 3)

    Hg+HgCl_{2}

  • Option 4)

    Hg_{2}Cl_{2}

 
Answers (1)
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As we learnt in 

Reaction with Mercury (I) Chloride with Chlorine -

Cl_{2}+Hg_2Cl_{2}\rightarrow 2HgCl_{2}

- wherein

Cloxidise Hg22+  into Hg2+

 

Calomel is Mercury (I) chloride with the formula Hg2Cl2. It was earlier used in medicine as a laxative. 

 


Option 1)

Hg_{2}Cl_{2}\: and\: Hg


This answer is incorrect

Option 2)

HgCl_{2}


This answer is incorrect

Option 3)

Hg+HgCl_{2}


This answer is incorrect

Option 4)

Hg_{2}Cl_{2}


This answer is correct

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