Periodic Trends in Chemical Properties of Elements
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313396 The cause of periodicity of properties is

1 Increasing atomic radius
2 Increasing atomic weights
3 Number of electrons in the valency orbit
4 The recurrence of similar outer electronic configuration
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313397 Which of the following statements are not correct?
A. The electron gain enthalpy of F is more negative than that of Cl .
B. Ionization enthalpy decreases down the group in the periodic table.
C. The electronegativity of an atom depends upon the atoms bonded to it.
D. \({\text{A}}{{\text{l}}_2}{{\text{O}}_3}\) and NO are examples of amphoteric oxides.
Choose the most appropriate answer from the options given below:

1 A, B and D only
2 A, B, C and D
3 A, C and D only
4 B and D only
JEE - 2023
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313398 Which of the following statements is not correct?

1 Helium has the highest first ionisation enthalpy in the periodic table.
2 Chlorine has less negative electron gain enthalpy than fluorine.
3 Mercury and bromine are liquids at room temperature.
4 In any period, atomic radius of alkali metal is the highest.
NCERT Exemplar
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313399 Among the following arrangements, the order is not according to the property indicated against it is

1 Li < Na < K < Rb : Increasing metallic radius
2 I < Br < F < Cl : Increasing electron gain enthalpy with negative sign
3 B < C < N < O : Increasing first ionisation enthalpy
4 \({\rm{A}}{{\rm{l}}^{{\rm{3 + }}}}{\rm{ < M}}{{\rm{g}}^{{\rm{2 + }}}}{\rm{ < N}}{{\rm{a}}^{\rm{ + }}}{\rm{ < }}{{\rm{F}}^{\rm{ - }}}\) : Increasing ionic size
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313396 The cause of periodicity of properties is

1 Increasing atomic radius
2 Increasing atomic weights
3 Number of electrons in the valency orbit
4 The recurrence of similar outer electronic configuration
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313397 Which of the following statements are not correct?
A. The electron gain enthalpy of F is more negative than that of Cl .
B. Ionization enthalpy decreases down the group in the periodic table.
C. The electronegativity of an atom depends upon the atoms bonded to it.
D. \({\text{A}}{{\text{l}}_2}{{\text{O}}_3}\) and NO are examples of amphoteric oxides.
Choose the most appropriate answer from the options given below:

1 A, B and D only
2 A, B, C and D
3 A, C and D only
4 B and D only
JEE - 2023
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313398 Which of the following statements is not correct?

1 Helium has the highest first ionisation enthalpy in the periodic table.
2 Chlorine has less negative electron gain enthalpy than fluorine.
3 Mercury and bromine are liquids at room temperature.
4 In any period, atomic radius of alkali metal is the highest.
NCERT Exemplar
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313399 Among the following arrangements, the order is not according to the property indicated against it is

1 Li < Na < K < Rb : Increasing metallic radius
2 I < Br < F < Cl : Increasing electron gain enthalpy with negative sign
3 B < C < N < O : Increasing first ionisation enthalpy
4 \({\rm{A}}{{\rm{l}}^{{\rm{3 + }}}}{\rm{ < M}}{{\rm{g}}^{{\rm{2 + }}}}{\rm{ < N}}{{\rm{a}}^{\rm{ + }}}{\rm{ < }}{{\rm{F}}^{\rm{ - }}}\) : Increasing ionic size
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313396 The cause of periodicity of properties is

1 Increasing atomic radius
2 Increasing atomic weights
3 Number of electrons in the valency orbit
4 The recurrence of similar outer electronic configuration
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313397 Which of the following statements are not correct?
A. The electron gain enthalpy of F is more negative than that of Cl .
B. Ionization enthalpy decreases down the group in the periodic table.
C. The electronegativity of an atom depends upon the atoms bonded to it.
D. \({\text{A}}{{\text{l}}_2}{{\text{O}}_3}\) and NO are examples of amphoteric oxides.
Choose the most appropriate answer from the options given below:

1 A, B and D only
2 A, B, C and D
3 A, C and D only
4 B and D only
JEE - 2023
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313398 Which of the following statements is not correct?

1 Helium has the highest first ionisation enthalpy in the periodic table.
2 Chlorine has less negative electron gain enthalpy than fluorine.
3 Mercury and bromine are liquids at room temperature.
4 In any period, atomic radius of alkali metal is the highest.
NCERT Exemplar
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313399 Among the following arrangements, the order is not according to the property indicated against it is

1 Li < Na < K < Rb : Increasing metallic radius
2 I < Br < F < Cl : Increasing electron gain enthalpy with negative sign
3 B < C < N < O : Increasing first ionisation enthalpy
4 \({\rm{A}}{{\rm{l}}^{{\rm{3 + }}}}{\rm{ < M}}{{\rm{g}}^{{\rm{2 + }}}}{\rm{ < N}}{{\rm{a}}^{\rm{ + }}}{\rm{ < }}{{\rm{F}}^{\rm{ - }}}\) : Increasing ionic size
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313396 The cause of periodicity of properties is

1 Increasing atomic radius
2 Increasing atomic weights
3 Number of electrons in the valency orbit
4 The recurrence of similar outer electronic configuration
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313397 Which of the following statements are not correct?
A. The electron gain enthalpy of F is more negative than that of Cl .
B. Ionization enthalpy decreases down the group in the periodic table.
C. The electronegativity of an atom depends upon the atoms bonded to it.
D. \({\text{A}}{{\text{l}}_2}{{\text{O}}_3}\) and NO are examples of amphoteric oxides.
Choose the most appropriate answer from the options given below:

1 A, B and D only
2 A, B, C and D
3 A, C and D only
4 B and D only
JEE - 2023
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313398 Which of the following statements is not correct?

1 Helium has the highest first ionisation enthalpy in the periodic table.
2 Chlorine has less negative electron gain enthalpy than fluorine.
3 Mercury and bromine are liquids at room temperature.
4 In any period, atomic radius of alkali metal is the highest.
NCERT Exemplar
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313399 Among the following arrangements, the order is not according to the property indicated against it is

1 Li < Na < K < Rb : Increasing metallic radius
2 I < Br < F < Cl : Increasing electron gain enthalpy with negative sign
3 B < C < N < O : Increasing first ionisation enthalpy
4 \({\rm{A}}{{\rm{l}}^{{\rm{3 + }}}}{\rm{ < M}}{{\rm{g}}^{{\rm{2 + }}}}{\rm{ < N}}{{\rm{a}}^{\rm{ + }}}{\rm{ < }}{{\rm{F}}^{\rm{ - }}}\) : Increasing ionic size
For More Updates join with Us