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Pure \mathrm{Cl_2} is obtained by heating

Option: 1

\mathrm{A g C l}


Option: 2

\mathrm{M g C l_{2}}


Option: 3

\mathrm{AuCl _{3}}


Option: 4

\mathrm{FeCl _{3}}


Answers (1)

best_answer

As we have learnt,

Pure Chlorine can be obtained by heating the chlorides of metals having low reactivity like Au or Pt. The reactions are given as 

\mathrm{2AuCl_{3}\overset{\Delta}\longrightarrow 3Cl_2 + 2Au}

\mathrm{PtCl_{4} \overset{\Delta }{\longrightarrow} 2Cl_{2} + Pt}

Hence, the correct answer is Option (3)

Posted by

Ritika Harsh

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