JEE Main & Advanced Sample Paper JEE Main Sample Paper-17

  • question_answer
    Assertion:\[C{{H}_{3}}{{H}_{2}}N{{H}_{2}},\]thylamine, on treatment with\[C{{S}_{2}}\]followed by\[HgC{{l}_{2}},\] gives mustard oil smell.
    Reason: \[\text{C}{{\text{H}}_{\text{3}}}\text{C}{{\text{H}}_{\text{2}}}\text{N}{{\text{H}}_{\text{2}}}\]on treatment with \[\text{C}{{\text{S}}_{2}}\] produces dithiocarbamic acid.

    A)  If both assertion and reason are true, and reason is the correct explanation of assertion.

    B)  If both assertion and reason are true but reason is not the correct explanation of assertion.

    C)  If assertion is true but reason is false.

    D)  If assertion is false but reason is true.

    Correct Answer: B

    Solution :

     The mustard oil smell is caused due to alkyl isothiocyanate\[~R-N=C=S.\]


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