JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Causes of radioactivity and Group displacement law

  • question_answer
    The reaction which disintegrates neutron is or neutron is emitted (which completes first) [IIT 1988; MP PMT 1991; KCET 2005]

    A)                 \[_{96}A{{m}^{240}}{{+}_{2}}H{{e}^{4}}\to {{}_{97}}B{{k}^{244}}+{{}_{+1}}{{e}^{0}}\]

    B)                 \[_{15}{{P}^{30}}\to {{\ }_{14}}S{{i}^{30}}+{{\ }_{1}}{{e}^{0}}\]

    C)                 \[_{6}{{C}^{12}}+{{\ }_{1}}{{H}^{1}}\to {{\ }_{7}}{{N}^{13}}\]

    D)                 \[_{13}A{{l}^{27}}+{{\ }_{2}}H{{e}^{4}}\to {{\ }_{15}}{{P}^{30}}\]

    Correct Answer: D

    Solution :

              Equate mass no. and atomic no.


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