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

313192 Read the statement A and statement B to mark the correct option given below.
Statement A :
Fluorine has most negative electron gain enthalpy in its group.
Statement B :
Oxygen has least negative electron gain enthalpy in its group.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both statements are incorrect.
JEE Main - 2024
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313193 Electronic configurations of four elements A, B, C and D are given below :
(A) \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{6}}}\)
(B) \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{4}}}\)
(C) \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{6}}}{\rm{3}}{{\rm{s}}^{\rm{1}}}\)
(D) \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{5}}}\)
Which of the following is the correct order of increasing tendency to gain electron?

1 A < C< B< D
2 A < B < C< D
3 D < B < C < A
4 D < A< B < C
NCERT Exemplar
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313194 The electron affinity of sulphur is -200 kJ/mole. Then the electron affinity of oxygen is

1 -142 kJ/mole
2 -702 kJ/mole
3 -332 kJ/mole
4 -348 kJ/mole
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313195 Statement A :
Electron gain enthalpy becomes less negative as we down a group.
Statement B :
Size of the atom increases on going down the group and the added electron would be farther away from the nucleus.

1 Statement A is correct but statement B is incorrect
2 Statement A is incorrect but statement B is correct
3 Both statements are correct
4 Both statements are incorrect
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313192 Read the statement A and statement B to mark the correct option given below.
Statement A :
Fluorine has most negative electron gain enthalpy in its group.
Statement B :
Oxygen has least negative electron gain enthalpy in its group.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both statements are incorrect.
JEE Main - 2024
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313193 Electronic configurations of four elements A, B, C and D are given below :
(A) \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{6}}}\)
(B) \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{4}}}\)
(C) \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{6}}}{\rm{3}}{{\rm{s}}^{\rm{1}}}\)
(D) \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{5}}}\)
Which of the following is the correct order of increasing tendency to gain electron?

1 A < C< B< D
2 A < B < C< D
3 D < B < C < A
4 D < A< B < C
NCERT Exemplar
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313194 The electron affinity of sulphur is -200 kJ/mole. Then the electron affinity of oxygen is

1 -142 kJ/mole
2 -702 kJ/mole
3 -332 kJ/mole
4 -348 kJ/mole
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313195 Statement A :
Electron gain enthalpy becomes less negative as we down a group.
Statement B :
Size of the atom increases on going down the group and the added electron would be farther away from the nucleus.

1 Statement A is correct but statement B is incorrect
2 Statement A is incorrect but statement B is correct
3 Both statements are correct
4 Both statements are incorrect
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313192 Read the statement A and statement B to mark the correct option given below.
Statement A :
Fluorine has most negative electron gain enthalpy in its group.
Statement B :
Oxygen has least negative electron gain enthalpy in its group.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both statements are incorrect.
JEE Main - 2024
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313193 Electronic configurations of four elements A, B, C and D are given below :
(A) \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{6}}}\)
(B) \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{4}}}\)
(C) \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{6}}}{\rm{3}}{{\rm{s}}^{\rm{1}}}\)
(D) \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{5}}}\)
Which of the following is the correct order of increasing tendency to gain electron?

1 A < C< B< D
2 A < B < C< D
3 D < B < C < A
4 D < A< B < C
NCERT Exemplar
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313194 The electron affinity of sulphur is -200 kJ/mole. Then the electron affinity of oxygen is

1 -142 kJ/mole
2 -702 kJ/mole
3 -332 kJ/mole
4 -348 kJ/mole
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313195 Statement A :
Electron gain enthalpy becomes less negative as we down a group.
Statement B :
Size of the atom increases on going down the group and the added electron would be farther away from the nucleus.

1 Statement A is correct but statement B is incorrect
2 Statement A is incorrect but statement B is correct
3 Both statements are correct
4 Both statements are incorrect
NEET DIGITAL LIBRARY
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313192 Read the statement A and statement B to mark the correct option given below.
Statement A :
Fluorine has most negative electron gain enthalpy in its group.
Statement B :
Oxygen has least negative electron gain enthalpy in its group.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both statements are incorrect.
JEE Main - 2024
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313193 Electronic configurations of four elements A, B, C and D are given below :
(A) \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{6}}}\)
(B) \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{4}}}\)
(C) \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{6}}}{\rm{3}}{{\rm{s}}^{\rm{1}}}\)
(D) \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{5}}}\)
Which of the following is the correct order of increasing tendency to gain electron?

1 A < C< B< D
2 A < B < C< D
3 D < B < C < A
4 D < A< B < C
NCERT Exemplar
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313194 The electron affinity of sulphur is -200 kJ/mole. Then the electron affinity of oxygen is

1 -142 kJ/mole
2 -702 kJ/mole
3 -332 kJ/mole
4 -348 kJ/mole
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313195 Statement A :
Electron gain enthalpy becomes less negative as we down a group.
Statement B :
Size of the atom increases on going down the group and the added electron would be farther away from the nucleus.

1 Statement A is correct but statement B is incorrect
2 Statement A is incorrect but statement B is correct
3 Both statements are correct
4 Both statements are incorrect
Join With Us for More Updates