JEE Main & Advanced JEE Main Paper Phase-I (Held on 07-1-2020 Evening)

  • question_answer
    In the following reactions, products and (B), respectively, are
    \[\underset{(hot\,\,and\,\,conc.)}{\mathop{NaOH}}\,+C{{l}_{2}}\to \,(A)+\,side\,products\]
    \[\underset{(dry)}{\mathop{Ca(OH)}}\,+C{{l}_{2}}\to \,(B)+\,side\,products\]
    [JEE MAIN Held on 07-01-2020 Evening]

    A) \[NaOCl\] and \[Ca{{(OCl)}_{2}}\]

    B) \[NaCl{{O}_{3}}\]and \[Ca{{(Cl{{O}_{3}})}_{2}}\]

    C) \[NaOCl\] and \[Ca{{(Cl{{O}_{3}})}_{2}}\]

    D) \[NaCl{{O}_{3}}\]and \[Ca{{(OCl)}_{2}}\]

    Correct Answer: D

    Solution :

    [d] \[NaOH\,+C{{l}_{2}}\to NaCl+Na\underset{(A)}{\mathop{Cl}}\,{{O}_{3}}+{{H}_{2}}O\] \[Ca{{(OH)}_{2}}+C{{l}_{2}}\to \,CaC{{l}_{2}}+Ca{{(\underset{(B)}{\mathop{O}}\,Cl)}_{2}}+{{H}_{2}}O\]


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