Periodic Table and PeriodicityhardMCQ MULTIPLE

Consider the following reactions : (i) O(g) + e- -> O-(g), \Delta H1 (ii) F(g) + e- -> F-(g), \DeltaPeriodic Table and Periodicity Chemistry Question

Question

Consider the following reactions : (i) O(g) + e- -> O-(g), \Delta H1 (ii) F(g) + e- -> F-(g), \Delta H2 (iii) Cl(g) + e- -> Cl-(g), \Delta H3 (iv) O-(g) + e- -> O2-(g), \Delta H4. Then according to given information the correct statement is/are:

Answer: A,B,C

💡 Solution & Explanation

\Delta H1, \Delta H2 and \Delta H3 are negative whereas \Delta H4 is positive.

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