04. Ionization Energy
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Classification of Elements and Periodicity in Properties

89611 Amongst the elements with following electronic configurations, which one of them may have the highest ionization energy?

1 $\mathrm{Ne}\left[3 \mathrm{~s}^2 3 \mathrm{p}^2\right]$
2 $\operatorname{Ar}\left[3 \mathrm{~d}^{10} 4 \mathrm{~s}^2 4 \mathrm{p}^3\right]$
3 $\mathrm{Ne}\left[3 \mathrm{~s}^2 3 \mathrm{p}^1\right]$
4 $\mathrm{Ne}\left[3 \mathrm{~s}^2 3 \mathrm{p}^3\right]$
BITSAT 2018
Classification of Elements and Periodicity in Properties

89636 Which one of the following electronic configuration corresponds to the highest value of ionisation potential?

1 $[\mathrm{Xe}] 6 \mathrm{~s}^2$
2 $[\mathrm{Ar}] 4 \mathrm{~s}^2 3 \mathrm{~d}^{10}$
3 $1 \mathrm{~s}^2$
4 $[\mathrm{Rn}] 7 \mathrm{~s}^2 6 \mathrm{~d}^1 5 \mathrm{f}^{14}$
UP CPMT-2012
Classification of Elements and Periodicity in Properties

89614 The first four ionization enthalpy values of an element are $191 \mathrm{kcal} \mathrm{mol}^{-1}, 578 \mathrm{kcal} \mathrm{mol}^{-1}, 872$ kcal $\mathrm{mol}^{-1}$ and $5962 \mathrm{kcal} \mathrm{mol}^{-1}$. The number of valence electrons in the element is

1 1
2 2
3 3
4 4
CG PET -2017
Classification of Elements and Periodicity in Properties

89615 First and second ionisation enthalpies of $\mathrm{Mg}$ are 737.76 and $1450.73 \mathrm{~J} \mathrm{~mol}^{-1}$ respectively. The energy required to convert all the atoms of magnesium to magnesium ions present in $24 \mathrm{~g}$ of magnesium vapours is

1 $24 \mathrm{~kJ}$
2 $2.188 \mathrm{~kJ}$
3 $12 \mathrm{~kJ}$
4 $4.253 \mathrm{~kJ}$
CG PET- 2016
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Classification of Elements and Periodicity in Properties

89611 Amongst the elements with following electronic configurations, which one of them may have the highest ionization energy?

1 $\mathrm{Ne}\left[3 \mathrm{~s}^2 3 \mathrm{p}^2\right]$
2 $\operatorname{Ar}\left[3 \mathrm{~d}^{10} 4 \mathrm{~s}^2 4 \mathrm{p}^3\right]$
3 $\mathrm{Ne}\left[3 \mathrm{~s}^2 3 \mathrm{p}^1\right]$
4 $\mathrm{Ne}\left[3 \mathrm{~s}^2 3 \mathrm{p}^3\right]$
BITSAT 2018
Classification of Elements and Periodicity in Properties

89636 Which one of the following electronic configuration corresponds to the highest value of ionisation potential?

1 $[\mathrm{Xe}] 6 \mathrm{~s}^2$
2 $[\mathrm{Ar}] 4 \mathrm{~s}^2 3 \mathrm{~d}^{10}$
3 $1 \mathrm{~s}^2$
4 $[\mathrm{Rn}] 7 \mathrm{~s}^2 6 \mathrm{~d}^1 5 \mathrm{f}^{14}$
UP CPMT-2012
Classification of Elements and Periodicity in Properties

89614 The first four ionization enthalpy values of an element are $191 \mathrm{kcal} \mathrm{mol}^{-1}, 578 \mathrm{kcal} \mathrm{mol}^{-1}, 872$ kcal $\mathrm{mol}^{-1}$ and $5962 \mathrm{kcal} \mathrm{mol}^{-1}$. The number of valence electrons in the element is

1 1
2 2
3 3
4 4
CG PET -2017
Classification of Elements and Periodicity in Properties

89615 First and second ionisation enthalpies of $\mathrm{Mg}$ are 737.76 and $1450.73 \mathrm{~J} \mathrm{~mol}^{-1}$ respectively. The energy required to convert all the atoms of magnesium to magnesium ions present in $24 \mathrm{~g}$ of magnesium vapours is

1 $24 \mathrm{~kJ}$
2 $2.188 \mathrm{~kJ}$
3 $12 \mathrm{~kJ}$
4 $4.253 \mathrm{~kJ}$
CG PET- 2016
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Classification of Elements and Periodicity in Properties

89611 Amongst the elements with following electronic configurations, which one of them may have the highest ionization energy?

1 $\mathrm{Ne}\left[3 \mathrm{~s}^2 3 \mathrm{p}^2\right]$
2 $\operatorname{Ar}\left[3 \mathrm{~d}^{10} 4 \mathrm{~s}^2 4 \mathrm{p}^3\right]$
3 $\mathrm{Ne}\left[3 \mathrm{~s}^2 3 \mathrm{p}^1\right]$
4 $\mathrm{Ne}\left[3 \mathrm{~s}^2 3 \mathrm{p}^3\right]$
BITSAT 2018
Classification of Elements and Periodicity in Properties

89636 Which one of the following electronic configuration corresponds to the highest value of ionisation potential?

1 $[\mathrm{Xe}] 6 \mathrm{~s}^2$
2 $[\mathrm{Ar}] 4 \mathrm{~s}^2 3 \mathrm{~d}^{10}$
3 $1 \mathrm{~s}^2$
4 $[\mathrm{Rn}] 7 \mathrm{~s}^2 6 \mathrm{~d}^1 5 \mathrm{f}^{14}$
UP CPMT-2012
Classification of Elements and Periodicity in Properties

89614 The first four ionization enthalpy values of an element are $191 \mathrm{kcal} \mathrm{mol}^{-1}, 578 \mathrm{kcal} \mathrm{mol}^{-1}, 872$ kcal $\mathrm{mol}^{-1}$ and $5962 \mathrm{kcal} \mathrm{mol}^{-1}$. The number of valence electrons in the element is

1 1
2 2
3 3
4 4
CG PET -2017
Classification of Elements and Periodicity in Properties

89615 First and second ionisation enthalpies of $\mathrm{Mg}$ are 737.76 and $1450.73 \mathrm{~J} \mathrm{~mol}^{-1}$ respectively. The energy required to convert all the atoms of magnesium to magnesium ions present in $24 \mathrm{~g}$ of magnesium vapours is

1 $24 \mathrm{~kJ}$
2 $2.188 \mathrm{~kJ}$
3 $12 \mathrm{~kJ}$
4 $4.253 \mathrm{~kJ}$
CG PET- 2016
For More Updates join with Us
Classification of Elements and Periodicity in Properties

89611 Amongst the elements with following electronic configurations, which one of them may have the highest ionization energy?

1 $\mathrm{Ne}\left[3 \mathrm{~s}^2 3 \mathrm{p}^2\right]$
2 $\operatorname{Ar}\left[3 \mathrm{~d}^{10} 4 \mathrm{~s}^2 4 \mathrm{p}^3\right]$
3 $\mathrm{Ne}\left[3 \mathrm{~s}^2 3 \mathrm{p}^1\right]$
4 $\mathrm{Ne}\left[3 \mathrm{~s}^2 3 \mathrm{p}^3\right]$
BITSAT 2018
Classification of Elements and Periodicity in Properties

89636 Which one of the following electronic configuration corresponds to the highest value of ionisation potential?

1 $[\mathrm{Xe}] 6 \mathrm{~s}^2$
2 $[\mathrm{Ar}] 4 \mathrm{~s}^2 3 \mathrm{~d}^{10}$
3 $1 \mathrm{~s}^2$
4 $[\mathrm{Rn}] 7 \mathrm{~s}^2 6 \mathrm{~d}^1 5 \mathrm{f}^{14}$
UP CPMT-2012
Classification of Elements and Periodicity in Properties

89614 The first four ionization enthalpy values of an element are $191 \mathrm{kcal} \mathrm{mol}^{-1}, 578 \mathrm{kcal} \mathrm{mol}^{-1}, 872$ kcal $\mathrm{mol}^{-1}$ and $5962 \mathrm{kcal} \mathrm{mol}^{-1}$. The number of valence electrons in the element is

1 1
2 2
3 3
4 4
CG PET -2017
Classification of Elements and Periodicity in Properties

89615 First and second ionisation enthalpies of $\mathrm{Mg}$ are 737.76 and $1450.73 \mathrm{~J} \mathrm{~mol}^{-1}$ respectively. The energy required to convert all the atoms of magnesium to magnesium ions present in $24 \mathrm{~g}$ of magnesium vapours is

1 $24 \mathrm{~kJ}$
2 $2.188 \mathrm{~kJ}$
3 $12 \mathrm{~kJ}$
4 $4.253 \mathrm{~kJ}$
CG PET- 2016