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(a)
Interpretation: Among the elements in a group (Li, C and O), the one which is expected to have highest ionization energy is to be given.
Concept Introduction: Ionization energy is defined as the minimum energy required to eject out the outermost electron from an isolated gaseous atom. Also it is the most difficult to eject an electron from the atom of an element with most electronegative nature and so it will have the highest ionization energy.
(a)
Explanation of Solution
O is the most electronegative among the given elements. Since, it is the most difficult to eject an electron from the atom of an element with most electronegative nature and so it will have the highest ionization energy. Thus, O has the highest ionization energy.
(b)
Interpretation: Among the elements in a group (Fr, Rb and Na), the one which is expected to have highest ionization energy is to be given.
Concept Introduction: Ionization energy is defined as the minimum energy required to eject out the outermost electron from an isolated gaseous atom. Also it is the most difficult to eject an electron from the atom of an element with most electronegative nature and so it will have the highest ionization energy.
(b)
Explanation of Solution
Na is the most electronegative among the given elements. Since, it is the most difficult to eject an electron from the atom of an element with most electronegative nature and so it will have the highest ionization energy. Thus, Na has the highest ionization energy.
(c)
Interpretation: Among the elements in a group (Ra, Ca and Mg), the one which is expected to have highest ionization energy is to be given.
Concept Introduction: Ionization energy is defined as the minimum energy required to eject out the outermost electron from an isolated gaseous atom. Also it is the most difficult to eject an electron from the atom of an element with most electronegative nature and so it will have the highest ionization energy.
(c)
Explanation of Solution
Mg is the most electronegative among the given elements. Since, it is the most difficult to eject an electron from the atom of an element with most electronegative nature and so it will have the highest ionization energy. Thus, Mg has the highest ionization energy.
(d)
Interpretation: Among the elements in a group (At, Br and F), the one which is expected to have highest ionization energy is to be given.
Concept Introduction: Ionization energy is defined as the minimum energy required to eject out the outermost electron from an isolated gaseous atom. Also it is the most difficult to eject an electron from the atom of an element with most electronegative nature and so it will have the highest ionization energy.
(d)
Explanation of Solution
F is the most electronegative among the given elements. Since, it is the most difficult to eject an electron from the atom of an element with most electronegative nature and so it will have the highest ionization energy. Thus, F has the highest ionization energy.
Chapter 11 Solutions
World of Chemistry, 3rd edition
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- Consider the following decomposition reaction of N2O5(g): For the reaction 2 N2O5(g) → 4 NO2(g) + O2(g), the following mechanism has been proposed: N2O5 → NO2 + NO3 (K1) NO2 + NO3 → N2O5 (k-1) NO2 + NO3 → NO2 + O2 + NO (K2) NO + N2O5 → NO2 + NO2 + NO2 (K3) Indicate whether the following rate expression is acceptable: d[N2O5] = -k₁[N₂O₂] + K¸₁[NO₂][NO3] - K¸[NO₂]³ dtarrow_forwardIn a reaction of A + B to give C, another compound other than A, B or C may appear in the kinetic equation.arrow_forwardFor the reaction 2 N2O5(g) → 4 NO2(g) + O2(g), the following mechanism has been proposed: N2O5 →> NO₂+ NO3_(K1) NO2 + NO3 → N2O5 (k-1) NO2 + NO3 → → NO2 + O2 + NO (K2) NO + N2O5- NO2 + NO2 + NO2 (K3) d[N₂O5] __2k‚k₂[N2O5] Indicate whether the following rate expression is acceptable: dt k₁₁+ k₂arrow_forward
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