Introduction to Group 13 Elements
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CHXI11:THE P-BLOCK ELEMENTS

316563 Anomalous behaviour of oxygen is due to its

1 large size and low electronegativity
2 small size and low electronegativity
3 small size and high electronegativity
4 large size and high electronegativity.
JEE Main - 2024
CHXI11:THE P-BLOCK ELEMENTS

316564 Oxygen shows anomalous behaviour from other members of its family because
I. Oxygen shows maximum valency of two.
II. Among chalcogens oxygen is of the smallest
III. Oxygen exhibits allotropy.
IV. Oxygen has no vacant d-orbital.
The correct option explaining the reasons is

1 I, II and III
2 I, II and IV
3 I, III and IV
4 All of these
CHXI11:THE P-BLOCK ELEMENTS

316565 Read the Statement - A and Statement - B carefully to mark the correct option given below
Statement A :
Oxygen being the first member of group 16 exhibits only -2 oxidation state.
Statement B :
Down the group 16, stability of +4 oxidation state decreases and +6 oxidation state increases.

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
CHXI11:THE P-BLOCK ELEMENTS

316566 Elements of Group 16 generally show lower value of first ionisation enthalpy compared to the corresponding periods of group 15. Why?

1 Extra stability due to half filled p-orbitals in group 15
2 Due to increase in size
3 Ionisation enthalpy decreases in a period
4 All the above
NEET DIGITAL LIBRARY
CHXI11:THE P-BLOCK ELEMENTS

316563 Anomalous behaviour of oxygen is due to its

1 large size and low electronegativity
2 small size and low electronegativity
3 small size and high electronegativity
4 large size and high electronegativity.
JEE Main - 2024
CHXI11:THE P-BLOCK ELEMENTS

316564 Oxygen shows anomalous behaviour from other members of its family because
I. Oxygen shows maximum valency of two.
II. Among chalcogens oxygen is of the smallest
III. Oxygen exhibits allotropy.
IV. Oxygen has no vacant d-orbital.
The correct option explaining the reasons is

1 I, II and III
2 I, II and IV
3 I, III and IV
4 All of these
CHXI11:THE P-BLOCK ELEMENTS

316565 Read the Statement - A and Statement - B carefully to mark the correct option given below
Statement A :
Oxygen being the first member of group 16 exhibits only -2 oxidation state.
Statement B :
Down the group 16, stability of +4 oxidation state decreases and +6 oxidation state increases.

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
CHXI11:THE P-BLOCK ELEMENTS

316566 Elements of Group 16 generally show lower value of first ionisation enthalpy compared to the corresponding periods of group 15. Why?

1 Extra stability due to half filled p-orbitals in group 15
2 Due to increase in size
3 Ionisation enthalpy decreases in a period
4 All the above
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CHXI11:THE P-BLOCK ELEMENTS

316563 Anomalous behaviour of oxygen is due to its

1 large size and low electronegativity
2 small size and low electronegativity
3 small size and high electronegativity
4 large size and high electronegativity.
JEE Main - 2024
CHXI11:THE P-BLOCK ELEMENTS

316564 Oxygen shows anomalous behaviour from other members of its family because
I. Oxygen shows maximum valency of two.
II. Among chalcogens oxygen is of the smallest
III. Oxygen exhibits allotropy.
IV. Oxygen has no vacant d-orbital.
The correct option explaining the reasons is

1 I, II and III
2 I, II and IV
3 I, III and IV
4 All of these
CHXI11:THE P-BLOCK ELEMENTS

316565 Read the Statement - A and Statement - B carefully to mark the correct option given below
Statement A :
Oxygen being the first member of group 16 exhibits only -2 oxidation state.
Statement B :
Down the group 16, stability of +4 oxidation state decreases and +6 oxidation state increases.

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
CHXI11:THE P-BLOCK ELEMENTS

316566 Elements of Group 16 generally show lower value of first ionisation enthalpy compared to the corresponding periods of group 15. Why?

1 Extra stability due to half filled p-orbitals in group 15
2 Due to increase in size
3 Ionisation enthalpy decreases in a period
4 All the above
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CHXI11:THE P-BLOCK ELEMENTS

316563 Anomalous behaviour of oxygen is due to its

1 large size and low electronegativity
2 small size and low electronegativity
3 small size and high electronegativity
4 large size and high electronegativity.
JEE Main - 2024
CHXI11:THE P-BLOCK ELEMENTS

316564 Oxygen shows anomalous behaviour from other members of its family because
I. Oxygen shows maximum valency of two.
II. Among chalcogens oxygen is of the smallest
III. Oxygen exhibits allotropy.
IV. Oxygen has no vacant d-orbital.
The correct option explaining the reasons is

1 I, II and III
2 I, II and IV
3 I, III and IV
4 All of these
CHXI11:THE P-BLOCK ELEMENTS

316565 Read the Statement - A and Statement - B carefully to mark the correct option given below
Statement A :
Oxygen being the first member of group 16 exhibits only -2 oxidation state.
Statement B :
Down the group 16, stability of +4 oxidation state decreases and +6 oxidation state increases.

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
CHXI11:THE P-BLOCK ELEMENTS

316566 Elements of Group 16 generally show lower value of first ionisation enthalpy compared to the corresponding periods of group 15. Why?

1 Extra stability due to half filled p-orbitals in group 15
2 Due to increase in size
3 Ionisation enthalpy decreases in a period
4 All the above
NEET DIGITAL LIBRARY