$A$ quick supply of $Cl_2$ gas may be made by reacting crystals of $KMnO_4$ with a concentrated solution of
- APotassium chloride
- BSodium chloride
- CBleaching powder
- DHydrochloric acid
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With reference to aqua regia,choose the correct option$(s)$.
$(1)$ Reaction of gold with aqua regia produces $NO_2$ in the absence of air.
$(2)$ Aqua regia is prepared by mixing conc. $HCl$ and conc. $HNO_3$ in $3:1$ $(v/v)$ ratio.
$(3)$ Reaction of gold with aqua regia produces an anion having $Au$ in $+3$ oxidation state.
$(4)$ The yellow colour of aqua regia is due to the presence of $NOCl$ and $Cl_2$.
$(1)$ Reaction of gold with aqua regia produces $NO_2$ in the absence of air.
$(2)$ Aqua regia is prepared by mixing conc. $HCl$ and conc. $HNO_3$ in $3:1$ $(v/v)$ ratio.
$(3)$ Reaction of gold with aqua regia produces an anion having $Au$ in $+3$ oxidation state.
$(4)$ The yellow colour of aqua regia is due to the presence of $NOCl$ and $Cl_2$.
Nitric acid converts iodine into
Easy
View SolutionWhich one of the following oxides is expected to exhibit paramagnetic behaviour?
Describe the process for the extraction of chlorine.
Easy
View SolutionThe interhalogen which does not exist is
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