JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Halogen Family

  • question_answer
    Sodium chloride when heated with conc. \[{{H}_{2}}S{{O}_{4}}\] and solid potassium dichromate gives [CPMT 1981, 84]

    A) Chromic chloride

    B) Chromyl chloride

    C) Chromous chloride

    D) None of these

    Correct Answer: B

    Solution :

    \[4NaCl+{{K}_{2}}C{{r}_{2}}{{O}_{7}}+3{{H}_{2}}S{{O}_{4}}\,\to \,\,\]\[{{K}_{2}}S{{O}_{4}}+2N{{a}_{2}}S{{O}_{4}}+\underset{\text{Chromyl chloride}\,\,\,\,\,\,\,\,\,\,\,}{\mathop{2Cr{{O}_{2}}C{{l}_{2}}+3{{H}_{2}}O}}\,\]


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