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Chlorine on reaction with hot and concentrated `NaOH` yieldsA. `NaCl` and `NaCIO_(3)`B. `NaCl` and `NaCIO`C. `NaCl` and `NaCIO_(2)`D. `NaCl` and `NaCIO_(4)` |
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Answer» Correct Answer - 1 Chlorate are formed with hot and concentrated alkali solution : `3Cl_(2)+6NaOH rarr 5NaClO_(3)+3H_(2)O` It is disproportionate reactions as `Cl` from zero oxidation state is changed to `-1`and `+5` oxidation states: `6Cl_(2)+underset("Hot and conc.")(6Ca(OH)_(2))rarr5CaCl_(2)+Ca(ClO_(3))_(2)+2H_(2)O` Hypochlorities are formed with cold and dilute solution of alkali: `Cl_(2)+2NaOH rarr NaCl+NaCIO+H_(2)O` |
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