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how can we find calomal from corrosive sublimate?

how can we find calomal from corrosive sublimate?

Grade:12

6 Answers

raju
59 Points
10 years ago
Hg2Cl2 is known as calomel. It is prepared by heating HgCl2 and Hg in an iron vessel. It can also be prepared by mixing mercury salt with chloride ions. Properties 1) It is a white powder which is insoluble in water. 2) Hg2Cl2 on heating dissociates into HgCl2 and Hg. action of calomel on heat 2"> Corrosive sublimate HgCl2 is a corrosive sublimate, which is prepared by passing chlorine over heated mercury or mercury chloride. It can also be prepared by heating mercury sulphate with NaCl. action of mercury sulphate with NaCl Properties 1) It is a crystalline solid. 2) It is soluble in hot water, ethanol and ether. 3) HgCl2 reacts with KI and forms a colorless solution known as Nessler`s reagent. nessler s reaction
Indu
47 Points
10 years ago
give also it`s reaction plz.
raju
59 Points
10 years ago
Hg2Cl2 is known as calomel. It is prepared by heating HgCl2 and Hg in an iron vessel. Hgcl2+Hg _______ Hg2cl2 It can also be prepared by mixing mercury salt with chloride ions. Properties 1) It is a white powder which is insoluble in water. 2) Hg2Cl2 on heating dissociates into HgCl2 and Hg. Hg2cl2 --------------Hgcl2+Hg Corrosive sublimate HgCl2 is a corrosive sublimate, which is prepared by passing chlorine over heated mercury or mercury chloride. Hg+cl2 _____________ Hgcl2 Hg cl2+cl2 ______________2Hgcl2 It can also be prepared by heating mercury sulphate with NaCl. H2so4+2Nacl _______________ Hgcl2+Na2so4 Properties 1) It is a crystalline solid. 2) It is soluble in hot water, ethanol and ether. 3) HgCl2 reacts with KI and forms a colorless solution known as Nessler`s reagent Hgcl2+2ki _____________ HgI2+2kcl HgI2+2ki _____________ k2[HgI4] (nessler`s reaction)
raju
59 Points
10 years ago
r ok
raju
59 Points
10 years ago
all the best indu
Indu
47 Points
10 years ago
OK, thanks.

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