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JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Numerical Value Type Questions - Periodic Table & Chemical Bonding

  • question_answer
    What is the \[\Delta \,H\] of the following reaction? \[Mg(g)+2F(g)\to M{{g}^{2+}}(g)+2{{F}^{-}}(g)orMg{{F}_{2}}(g)\] If electron affinity of \[F\left( g \right)\,\,=\,\,-\,\,328\,\,kJ\,\,mo{{l}^{-1}}\] and First ionisation energy of \[Mg\,\,=\,\,737.7\,\,kJ\,\,mo{{l}^{-1}}\] and Second ionisation energy of \[Mg\,\,=\,\,1451\,\,kJ\,\,mo{{l}^{-1}}.\]

    Answer:

    1532.70


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