JEE Main & Advanced Sample Paper JEE Main Sample Paper-47

  • question_answer
    Identify the incorrect statement.

    A)  The oxidation of iodide ions by ozone can be used as a method to estimate ozone.

    B)  Bromine does not liberate nitrogen gas from ammonia like chlorine.

    C)  With hot concentrated alkali, chlorine produces the chloride and chlorate.

    D)  Only fluorine attacks \[Si{{O}_{2}}\]to give \[Si{{F}_{4}}\].

    Correct Answer: B

    Solution :

     \[B{{r}_{2}}\] reacts like \[C{{l}_{2}}\] with ammonia. \[8N{{H}_{3}}+3B{{r}_{2}}\xrightarrow{\,}\,6N{{H}_{4}}Br+{{N}_{2}}\]

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