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Question

Chemistry Question on d -and f -Block Elements

Calomel (Hg2Cl2)(Hg_2Cl_2) on reaction with ammonium hydroxide gives :

A

HgOHgO

B

Hg2OHg_2O

C

NH2??g??g??lNH_2??g??g??l

D

HgNH2ClHgNH_2Cl

Answer

HgNH2ClHgNH_2Cl

Explanation

Solution

Hg2Cl2+2NH3> {Hg2Cl2 + 2NH3 ->} HgNH2Clwhite\underset{\text{white}}{ {HgNH2Cl }} + {+} Hgblack\underset{\text{black}}{ {Hg }} +NH4CI {+ NH4CI}