1.

Which of the following reactions produce Cl_(2) gas :

Answer»

`PbO_(2) + HCl RARR`
`NaOCl overset( " Heat") ( rarr)`
`KClO_(3) + I_(2)rarr`
`MnO_(2) + HCl rarr`

Solution :`PbO_(2) + 4HCL rarr PbCl_(2) + 2H_(2) O + Cl_(2) , MnO_(2)4HClrarr MnCl_(2 ) + 2H_(2) O + Cl_(2)`
`2KClO_(3) + I_(2) rarr 2KIO_(3) + Cl_(2)`


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