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

316485 Thallium shows +1 oxidation state in its stable compounds because

1 Of its high reactivity
2 Of inert pair effect
3 Of its amphoteric nature
4 It is a transition metal
CHXI11:THE P-BLOCK ELEMENTS

316486 Read the Statement - A and Statement - B carefully to mark the correct options given below
Statement A :
In group 13, the stability +1 oxidation state increases down the group.
Statement B :
The atomic size of gallium is greater than that of aluminium.

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

316487 Aluminium is usually found in +3 oxidation state.In contrast, thallium exists in +1 and +3 oxidation states. This is due to

1 Lattice effect
2 Lanthanoid contraction
3 Inert pair effect
4 Diagonal relationship.
JEE - 2019
NEET DIGITAL LIBRARY
CHXI11:THE P-BLOCK ELEMENTS

316485 Thallium shows +1 oxidation state in its stable compounds because

1 Of its high reactivity
2 Of inert pair effect
3 Of its amphoteric nature
4 It is a transition metal
CHXI11:THE P-BLOCK ELEMENTS

316486 Read the Statement - A and Statement - B carefully to mark the correct options given below
Statement A :
In group 13, the stability +1 oxidation state increases down the group.
Statement B :
The atomic size of gallium is greater than that of aluminium.

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

316487 Aluminium is usually found in +3 oxidation state.In contrast, thallium exists in +1 and +3 oxidation states. This is due to

1 Lattice effect
2 Lanthanoid contraction
3 Inert pair effect
4 Diagonal relationship.
JEE - 2019
CHXI11:THE P-BLOCK ELEMENTS

316488 The element that exhibits negative oxidation state in IIIA group elements is:

1 B
2 Al
3 Ga
4 Tl
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CHXI11:THE P-BLOCK ELEMENTS

316485 Thallium shows +1 oxidation state in its stable compounds because

1 Of its high reactivity
2 Of inert pair effect
3 Of its amphoteric nature
4 It is a transition metal
CHXI11:THE P-BLOCK ELEMENTS

316486 Read the Statement - A and Statement - B carefully to mark the correct options given below
Statement A :
In group 13, the stability +1 oxidation state increases down the group.
Statement B :
The atomic size of gallium is greater than that of aluminium.

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

316487 Aluminium is usually found in +3 oxidation state.In contrast, thallium exists in +1 and +3 oxidation states. This is due to

1 Lattice effect
2 Lanthanoid contraction
3 Inert pair effect
4 Diagonal relationship.
JEE - 2019
CHXI11:THE P-BLOCK ELEMENTS

316488 The element that exhibits negative oxidation state in IIIA group elements is:

1 B
2 Al
3 Ga
4 Tl
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CHXI11:THE P-BLOCK ELEMENTS

316485 Thallium shows +1 oxidation state in its stable compounds because

1 Of its high reactivity
2 Of inert pair effect
3 Of its amphoteric nature
4 It is a transition metal
CHXI11:THE P-BLOCK ELEMENTS

316486 Read the Statement - A and Statement - B carefully to mark the correct options given below
Statement A :
In group 13, the stability +1 oxidation state increases down the group.
Statement B :
The atomic size of gallium is greater than that of aluminium.

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

316487 Aluminium is usually found in +3 oxidation state.In contrast, thallium exists in +1 and +3 oxidation states. This is due to

1 Lattice effect
2 Lanthanoid contraction
3 Inert pair effect
4 Diagonal relationship.
JEE - 2019
CHXI11:THE P-BLOCK ELEMENTS

316488 The element that exhibits negative oxidation state in IIIA group elements is:

1 B
2 Al
3 Ga
4 Tl
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