04. Ionization Energy
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Classification of Elements and Periodicity in Properties

89571 Proper decreasing order of first ionization potential of the elements $B e, B, C$ and $L i$ will be which one of the following?

1 $\mathrm{C}>\mathrm{B}>\mathrm{Be}>\mathrm{Li}$
2 $\mathrm{C}>\mathrm{Be}>\mathrm{B}>\mathrm{Li}$
3 B $>$ C $>$ Be $>\mathrm{Li}$
4 Be $>$ Li $>$ B $>\mathrm{C}$
JIPMER-2012
Classification of Elements and Periodicity in Properties

89675 Ionic radius (in $\AA$ ) of $\mathrm{As}^{3+}, \mathrm{Sb}^{3+}$ and $\mathrm{Bi}^{3+}$ follow the order

1 $\mathrm{As}^{3+}>\mathrm{Sb}^{3+}>\mathrm{Bi}^{3+}$
2 $\mathrm{Sb}^{3+}>\mathrm{Bi}^{3+}>\mathrm{As}^{3+}$
3 $\mathrm{Bi}^{3+}>\mathrm{As}^{3+}>\mathrm{Sb}^{3+}$
4 $\mathrm{Bi}^{3+}>\mathrm{Sb}^{3+}>\mathrm{As}^{3+}$
A.P.EAMCET 2001
Classification of Elements and Periodicity in Properties

89555 Given below are two statements. One is labelled as. Assertion $A$ and the other is labelled as Reason $R$
Assertion A: The first ionization enthalpy for oxygen is lower than that of nitrogen.
Reason R: The four electrons in 2p orbital's of oxygen experience more electron- electron repulsion
In the light of the above statements. Choose the correct answer from the options given below.

1 Both $\mathrm{A}$ and $\mathrm{R}$ are correct and $\mathrm{Rj}$ is the correct explanation of $\mathrm{A}$
2 Both $\mathrm{A}$ and $\mathrm{R}$ correct but $\mathrm{R}$ is NOT the correct explanation of $\mathrm{A}$
3 $\mathrm{A}$ is correct but $\mathrm{R}$ is not correct
4 $\mathrm{A}$ is not correct but $\mathrm{R}$ is correct
Shift-II
Classification of Elements and Periodicity in Properties

89557 The correct order of 2nd ionisation energy for the elements carbon, nitrogen, oxygen and fluorine is-

1 F $>$ O $>\mathrm{N}>\mathrm{C}$
2 C $>\mathrm{N}>\mathrm{O}>\mathrm{F}$
3 $\mathrm{O}>\mathrm{F}>\mathrm{N}>\mathrm{C}$
4 $\mathrm{O}>\mathrm{N}>\mathrm{F}>\mathrm{C}$
BCECE-2016
Classification of Elements and Periodicity in Properties

89558 The set representing the correct order for first ionisation potential is

1 $\mathrm{K}>\mathrm{Na}>\mathrm{Li}$
2 $\mathrm{Be}>\mathrm{Mg}>\mathrm{Ca}$
3 B $>$ C $>\mathrm{N}$
4 Ge $>$ Si $>\mathrm{C}$
JIPMER-2008
Join With Us for More Updates
Classification of Elements and Periodicity in Properties

89571 Proper decreasing order of first ionization potential of the elements $B e, B, C$ and $L i$ will be which one of the following?

1 $\mathrm{C}>\mathrm{B}>\mathrm{Be}>\mathrm{Li}$
2 $\mathrm{C}>\mathrm{Be}>\mathrm{B}>\mathrm{Li}$
3 B $>$ C $>$ Be $>\mathrm{Li}$
4 Be $>$ Li $>$ B $>\mathrm{C}$
JIPMER-2012
Classification of Elements and Periodicity in Properties

89675 Ionic radius (in $\AA$ ) of $\mathrm{As}^{3+}, \mathrm{Sb}^{3+}$ and $\mathrm{Bi}^{3+}$ follow the order

1 $\mathrm{As}^{3+}>\mathrm{Sb}^{3+}>\mathrm{Bi}^{3+}$
2 $\mathrm{Sb}^{3+}>\mathrm{Bi}^{3+}>\mathrm{As}^{3+}$
3 $\mathrm{Bi}^{3+}>\mathrm{As}^{3+}>\mathrm{Sb}^{3+}$
4 $\mathrm{Bi}^{3+}>\mathrm{Sb}^{3+}>\mathrm{As}^{3+}$
A.P.EAMCET 2001
Classification of Elements and Periodicity in Properties

89555 Given below are two statements. One is labelled as. Assertion $A$ and the other is labelled as Reason $R$
Assertion A: The first ionization enthalpy for oxygen is lower than that of nitrogen.
Reason R: The four electrons in 2p orbital's of oxygen experience more electron- electron repulsion
In the light of the above statements. Choose the correct answer from the options given below.

1 Both $\mathrm{A}$ and $\mathrm{R}$ are correct and $\mathrm{Rj}$ is the correct explanation of $\mathrm{A}$
2 Both $\mathrm{A}$ and $\mathrm{R}$ correct but $\mathrm{R}$ is NOT the correct explanation of $\mathrm{A}$
3 $\mathrm{A}$ is correct but $\mathrm{R}$ is not correct
4 $\mathrm{A}$ is not correct but $\mathrm{R}$ is correct
Shift-II
Classification of Elements and Periodicity in Properties

89557 The correct order of 2nd ionisation energy for the elements carbon, nitrogen, oxygen and fluorine is-

1 F $>$ O $>\mathrm{N}>\mathrm{C}$
2 C $>\mathrm{N}>\mathrm{O}>\mathrm{F}$
3 $\mathrm{O}>\mathrm{F}>\mathrm{N}>\mathrm{C}$
4 $\mathrm{O}>\mathrm{N}>\mathrm{F}>\mathrm{C}$
BCECE-2016
Classification of Elements and Periodicity in Properties

89558 The set representing the correct order for first ionisation potential is

1 $\mathrm{K}>\mathrm{Na}>\mathrm{Li}$
2 $\mathrm{Be}>\mathrm{Mg}>\mathrm{Ca}$
3 B $>$ C $>\mathrm{N}$
4 Ge $>$ Si $>\mathrm{C}$
JIPMER-2008
For More Updates join with Us
Classification of Elements and Periodicity in Properties

89571 Proper decreasing order of first ionization potential of the elements $B e, B, C$ and $L i$ will be which one of the following?

1 $\mathrm{C}>\mathrm{B}>\mathrm{Be}>\mathrm{Li}$
2 $\mathrm{C}>\mathrm{Be}>\mathrm{B}>\mathrm{Li}$
3 B $>$ C $>$ Be $>\mathrm{Li}$
4 Be $>$ Li $>$ B $>\mathrm{C}$
JIPMER-2012
Classification of Elements and Periodicity in Properties

89675 Ionic radius (in $\AA$ ) of $\mathrm{As}^{3+}, \mathrm{Sb}^{3+}$ and $\mathrm{Bi}^{3+}$ follow the order

1 $\mathrm{As}^{3+}>\mathrm{Sb}^{3+}>\mathrm{Bi}^{3+}$
2 $\mathrm{Sb}^{3+}>\mathrm{Bi}^{3+}>\mathrm{As}^{3+}$
3 $\mathrm{Bi}^{3+}>\mathrm{As}^{3+}>\mathrm{Sb}^{3+}$
4 $\mathrm{Bi}^{3+}>\mathrm{Sb}^{3+}>\mathrm{As}^{3+}$
A.P.EAMCET 2001
Classification of Elements and Periodicity in Properties

89555 Given below are two statements. One is labelled as. Assertion $A$ and the other is labelled as Reason $R$
Assertion A: The first ionization enthalpy for oxygen is lower than that of nitrogen.
Reason R: The four electrons in 2p orbital's of oxygen experience more electron- electron repulsion
In the light of the above statements. Choose the correct answer from the options given below.

1 Both $\mathrm{A}$ and $\mathrm{R}$ are correct and $\mathrm{Rj}$ is the correct explanation of $\mathrm{A}$
2 Both $\mathrm{A}$ and $\mathrm{R}$ correct but $\mathrm{R}$ is NOT the correct explanation of $\mathrm{A}$
3 $\mathrm{A}$ is correct but $\mathrm{R}$ is not correct
4 $\mathrm{A}$ is not correct but $\mathrm{R}$ is correct
Shift-II
Classification of Elements and Periodicity in Properties

89557 The correct order of 2nd ionisation energy for the elements carbon, nitrogen, oxygen and fluorine is-

1 F $>$ O $>\mathrm{N}>\mathrm{C}$
2 C $>\mathrm{N}>\mathrm{O}>\mathrm{F}$
3 $\mathrm{O}>\mathrm{F}>\mathrm{N}>\mathrm{C}$
4 $\mathrm{O}>\mathrm{N}>\mathrm{F}>\mathrm{C}$
BCECE-2016
Classification of Elements and Periodicity in Properties

89558 The set representing the correct order for first ionisation potential is

1 $\mathrm{K}>\mathrm{Na}>\mathrm{Li}$
2 $\mathrm{Be}>\mathrm{Mg}>\mathrm{Ca}$
3 B $>$ C $>\mathrm{N}$
4 Ge $>$ Si $>\mathrm{C}$
JIPMER-2008
NEET DIGITAL LIBRARY
Classification of Elements and Periodicity in Properties

89571 Proper decreasing order of first ionization potential of the elements $B e, B, C$ and $L i$ will be which one of the following?

1 $\mathrm{C}>\mathrm{B}>\mathrm{Be}>\mathrm{Li}$
2 $\mathrm{C}>\mathrm{Be}>\mathrm{B}>\mathrm{Li}$
3 B $>$ C $>$ Be $>\mathrm{Li}$
4 Be $>$ Li $>$ B $>\mathrm{C}$
JIPMER-2012
Classification of Elements and Periodicity in Properties

89675 Ionic radius (in $\AA$ ) of $\mathrm{As}^{3+}, \mathrm{Sb}^{3+}$ and $\mathrm{Bi}^{3+}$ follow the order

1 $\mathrm{As}^{3+}>\mathrm{Sb}^{3+}>\mathrm{Bi}^{3+}$
2 $\mathrm{Sb}^{3+}>\mathrm{Bi}^{3+}>\mathrm{As}^{3+}$
3 $\mathrm{Bi}^{3+}>\mathrm{As}^{3+}>\mathrm{Sb}^{3+}$
4 $\mathrm{Bi}^{3+}>\mathrm{Sb}^{3+}>\mathrm{As}^{3+}$
A.P.EAMCET 2001
Classification of Elements and Periodicity in Properties

89555 Given below are two statements. One is labelled as. Assertion $A$ and the other is labelled as Reason $R$
Assertion A: The first ionization enthalpy for oxygen is lower than that of nitrogen.
Reason R: The four electrons in 2p orbital's of oxygen experience more electron- electron repulsion
In the light of the above statements. Choose the correct answer from the options given below.

1 Both $\mathrm{A}$ and $\mathrm{R}$ are correct and $\mathrm{Rj}$ is the correct explanation of $\mathrm{A}$
2 Both $\mathrm{A}$ and $\mathrm{R}$ correct but $\mathrm{R}$ is NOT the correct explanation of $\mathrm{A}$
3 $\mathrm{A}$ is correct but $\mathrm{R}$ is not correct
4 $\mathrm{A}$ is not correct but $\mathrm{R}$ is correct
Shift-II
Classification of Elements and Periodicity in Properties

89557 The correct order of 2nd ionisation energy for the elements carbon, nitrogen, oxygen and fluorine is-

1 F $>$ O $>\mathrm{N}>\mathrm{C}$
2 C $>\mathrm{N}>\mathrm{O}>\mathrm{F}$
3 $\mathrm{O}>\mathrm{F}>\mathrm{N}>\mathrm{C}$
4 $\mathrm{O}>\mathrm{N}>\mathrm{F}>\mathrm{C}$
BCECE-2016
Classification of Elements and Periodicity in Properties

89558 The set representing the correct order for first ionisation potential is

1 $\mathrm{K}>\mathrm{Na}>\mathrm{Li}$
2 $\mathrm{Be}>\mathrm{Mg}>\mathrm{Ca}$
3 B $>$ C $>\mathrm{N}$
4 Ge $>$ Si $>\mathrm{C}$
JIPMER-2008
Join With Us for More Updates
Classification of Elements and Periodicity in Properties

89571 Proper decreasing order of first ionization potential of the elements $B e, B, C$ and $L i$ will be which one of the following?

1 $\mathrm{C}>\mathrm{B}>\mathrm{Be}>\mathrm{Li}$
2 $\mathrm{C}>\mathrm{Be}>\mathrm{B}>\mathrm{Li}$
3 B $>$ C $>$ Be $>\mathrm{Li}$
4 Be $>$ Li $>$ B $>\mathrm{C}$
JIPMER-2012
Classification of Elements and Periodicity in Properties

89675 Ionic radius (in $\AA$ ) of $\mathrm{As}^{3+}, \mathrm{Sb}^{3+}$ and $\mathrm{Bi}^{3+}$ follow the order

1 $\mathrm{As}^{3+}>\mathrm{Sb}^{3+}>\mathrm{Bi}^{3+}$
2 $\mathrm{Sb}^{3+}>\mathrm{Bi}^{3+}>\mathrm{As}^{3+}$
3 $\mathrm{Bi}^{3+}>\mathrm{As}^{3+}>\mathrm{Sb}^{3+}$
4 $\mathrm{Bi}^{3+}>\mathrm{Sb}^{3+}>\mathrm{As}^{3+}$
A.P.EAMCET 2001
Classification of Elements and Periodicity in Properties

89555 Given below are two statements. One is labelled as. Assertion $A$ and the other is labelled as Reason $R$
Assertion A: The first ionization enthalpy for oxygen is lower than that of nitrogen.
Reason R: The four electrons in 2p orbital's of oxygen experience more electron- electron repulsion
In the light of the above statements. Choose the correct answer from the options given below.

1 Both $\mathrm{A}$ and $\mathrm{R}$ are correct and $\mathrm{Rj}$ is the correct explanation of $\mathrm{A}$
2 Both $\mathrm{A}$ and $\mathrm{R}$ correct but $\mathrm{R}$ is NOT the correct explanation of $\mathrm{A}$
3 $\mathrm{A}$ is correct but $\mathrm{R}$ is not correct
4 $\mathrm{A}$ is not correct but $\mathrm{R}$ is correct
Shift-II
Classification of Elements and Periodicity in Properties

89557 The correct order of 2nd ionisation energy for the elements carbon, nitrogen, oxygen and fluorine is-

1 F $>$ O $>\mathrm{N}>\mathrm{C}$
2 C $>\mathrm{N}>\mathrm{O}>\mathrm{F}$
3 $\mathrm{O}>\mathrm{F}>\mathrm{N}>\mathrm{C}$
4 $\mathrm{O}>\mathrm{N}>\mathrm{F}>\mathrm{C}$
BCECE-2016
Classification of Elements and Periodicity in Properties

89558 The set representing the correct order for first ionisation potential is

1 $\mathrm{K}>\mathrm{Na}>\mathrm{Li}$
2 $\mathrm{Be}>\mathrm{Mg}>\mathrm{Ca}$
3 B $>$ C $>\mathrm{N}$
4 Ge $>$ Si $>\mathrm{C}$
JIPMER-2008