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

316481 Match the Column I with Column II
Column I
Column II
A
Melting point[K]
P
Tl>In>Ga>Al>B
B
Ionic radius \({\rm{[}}{{\rm{M}}^{{\rm{ + 3}}}}{\rm{/pm]}}\)
Q
B>Tl>Al\( \approx {\rm{Ga > In}}\)
C
\({{\rm{\Delta }}_{\rm{i}}}{{\rm{H}}_{\rm{i}}}{\rm{[kJ}}\,{\rm{mo}}{{\rm{l}}^{ - 1}}]\)
R
Tl>In>Al>Ga>B
D
Atomic radius[pm]
S
B>Al>Tl>In>Ga

1 A - R,B - S,\({\mathrm{\mathrm{\mathrm{C}-\mathrm{P}, \quad \mathrm{D}-\mathrm{Q}}}}\)
2 A - S,B - P,\({\mathrm{\mathrm{\mathrm{C}-\mathrm{Q}}}}\),\({\mathrm{\mathrm{\mathrm{D}-\mathrm{R}}}}\)
3 A - Q,B - R,\({\mathrm{\mathrm{\mathrm{C}-\mathrm{S}}}}\),D - P
4 \({\mathrm{\mathrm{\mathrm{A}-\mathrm{P}}}}\),\({\mathrm{\mathrm{\mathrm{B}-\mathrm{Q}}}}\),\({\mathrm{\mathrm{\mathrm{C}-\mathrm{R}}}}\),D - S
JEE Main - 2024
CHXI11:THE P-BLOCK ELEMENTS

316482 For the properties mentioned, the correct trend for the different species is in

1 Strength as Lewis acids- \(\mathrm{BCl}_{3}>\mathrm{AlCl}_{3}>\mathrm{GaCl}_{3}\)
2 Inert pair effect \(-\mathrm{Al}>\mathrm{Ga}>\) In
3 Oxidising property \(-\mathrm{Al}^{3+}>\mathrm{In}^{3+}>\mathrm{Tl}^{3+}\)
4 First ionization enthalpy \(-\mathrm{B}>\mathrm{Al}>\mathrm{Tl}\)
CHXI11:THE P-BLOCK ELEMENTS

316483 Both boron and aluminium show difference in properties from the remaining members of group 13. This is because

1 Both B and Al have smaller size as compared to other members of the family
2 Both B and Al have high values of ionization enthalpy
3 Both B and Al have only the valence electrons \(\left( {{\text{n}}{{\text{s}}^{\text{2}}}{\text{n}}{{\text{p}}^{\text{1}}}} \right)\) out side the noble gas core while the remaining elements have filled \(\mathrm{d}\) and f-orbitals in between the noble gas core and the valence electrons
4 None of these
CHXI11:THE P-BLOCK ELEMENTS

316484 Which member of group 13 does not exhibit the group valency in its compounds?

1 Boron
2 Aluminium
3 Gallium
4 Thallium
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CHXI11:THE P-BLOCK ELEMENTS

316481 Match the Column I with Column II
Column I
Column II
A
Melting point[K]
P
Tl>In>Ga>Al>B
B
Ionic radius \({\rm{[}}{{\rm{M}}^{{\rm{ + 3}}}}{\rm{/pm]}}\)
Q
B>Tl>Al\( \approx {\rm{Ga > In}}\)
C
\({{\rm{\Delta }}_{\rm{i}}}{{\rm{H}}_{\rm{i}}}{\rm{[kJ}}\,{\rm{mo}}{{\rm{l}}^{ - 1}}]\)
R
Tl>In>Al>Ga>B
D
Atomic radius[pm]
S
B>Al>Tl>In>Ga

1 A - R,B - S,\({\mathrm{\mathrm{\mathrm{C}-\mathrm{P}, \quad \mathrm{D}-\mathrm{Q}}}}\)
2 A - S,B - P,\({\mathrm{\mathrm{\mathrm{C}-\mathrm{Q}}}}\),\({\mathrm{\mathrm{\mathrm{D}-\mathrm{R}}}}\)
3 A - Q,B - R,\({\mathrm{\mathrm{\mathrm{C}-\mathrm{S}}}}\),D - P
4 \({\mathrm{\mathrm{\mathrm{A}-\mathrm{P}}}}\),\({\mathrm{\mathrm{\mathrm{B}-\mathrm{Q}}}}\),\({\mathrm{\mathrm{\mathrm{C}-\mathrm{R}}}}\),D - S
JEE Main - 2024
CHXI11:THE P-BLOCK ELEMENTS

316482 For the properties mentioned, the correct trend for the different species is in

1 Strength as Lewis acids- \(\mathrm{BCl}_{3}>\mathrm{AlCl}_{3}>\mathrm{GaCl}_{3}\)
2 Inert pair effect \(-\mathrm{Al}>\mathrm{Ga}>\) In
3 Oxidising property \(-\mathrm{Al}^{3+}>\mathrm{In}^{3+}>\mathrm{Tl}^{3+}\)
4 First ionization enthalpy \(-\mathrm{B}>\mathrm{Al}>\mathrm{Tl}\)
CHXI11:THE P-BLOCK ELEMENTS

316483 Both boron and aluminium show difference in properties from the remaining members of group 13. This is because

1 Both B and Al have smaller size as compared to other members of the family
2 Both B and Al have high values of ionization enthalpy
3 Both B and Al have only the valence electrons \(\left( {{\text{n}}{{\text{s}}^{\text{2}}}{\text{n}}{{\text{p}}^{\text{1}}}} \right)\) out side the noble gas core while the remaining elements have filled \(\mathrm{d}\) and f-orbitals in between the noble gas core and the valence electrons
4 None of these
CHXI11:THE P-BLOCK ELEMENTS

316484 Which member of group 13 does not exhibit the group valency in its compounds?

1 Boron
2 Aluminium
3 Gallium
4 Thallium
NEET DIGITAL LIBRARY
CHXI11:THE P-BLOCK ELEMENTS

316481 Match the Column I with Column II
Column I
Column II
A
Melting point[K]
P
Tl>In>Ga>Al>B
B
Ionic radius \({\rm{[}}{{\rm{M}}^{{\rm{ + 3}}}}{\rm{/pm]}}\)
Q
B>Tl>Al\( \approx {\rm{Ga > In}}\)
C
\({{\rm{\Delta }}_{\rm{i}}}{{\rm{H}}_{\rm{i}}}{\rm{[kJ}}\,{\rm{mo}}{{\rm{l}}^{ - 1}}]\)
R
Tl>In>Al>Ga>B
D
Atomic radius[pm]
S
B>Al>Tl>In>Ga

1 A - R,B - S,\({\mathrm{\mathrm{\mathrm{C}-\mathrm{P}, \quad \mathrm{D}-\mathrm{Q}}}}\)
2 A - S,B - P,\({\mathrm{\mathrm{\mathrm{C}-\mathrm{Q}}}}\),\({\mathrm{\mathrm{\mathrm{D}-\mathrm{R}}}}\)
3 A - Q,B - R,\({\mathrm{\mathrm{\mathrm{C}-\mathrm{S}}}}\),D - P
4 \({\mathrm{\mathrm{\mathrm{A}-\mathrm{P}}}}\),\({\mathrm{\mathrm{\mathrm{B}-\mathrm{Q}}}}\),\({\mathrm{\mathrm{\mathrm{C}-\mathrm{R}}}}\),D - S
JEE Main - 2024
CHXI11:THE P-BLOCK ELEMENTS

316482 For the properties mentioned, the correct trend for the different species is in

1 Strength as Lewis acids- \(\mathrm{BCl}_{3}>\mathrm{AlCl}_{3}>\mathrm{GaCl}_{3}\)
2 Inert pair effect \(-\mathrm{Al}>\mathrm{Ga}>\) In
3 Oxidising property \(-\mathrm{Al}^{3+}>\mathrm{In}^{3+}>\mathrm{Tl}^{3+}\)
4 First ionization enthalpy \(-\mathrm{B}>\mathrm{Al}>\mathrm{Tl}\)
CHXI11:THE P-BLOCK ELEMENTS

316483 Both boron and aluminium show difference in properties from the remaining members of group 13. This is because

1 Both B and Al have smaller size as compared to other members of the family
2 Both B and Al have high values of ionization enthalpy
3 Both B and Al have only the valence electrons \(\left( {{\text{n}}{{\text{s}}^{\text{2}}}{\text{n}}{{\text{p}}^{\text{1}}}} \right)\) out side the noble gas core while the remaining elements have filled \(\mathrm{d}\) and f-orbitals in between the noble gas core and the valence electrons
4 None of these
CHXI11:THE P-BLOCK ELEMENTS

316484 Which member of group 13 does not exhibit the group valency in its compounds?

1 Boron
2 Aluminium
3 Gallium
4 Thallium
Join With Us for More Updates
CHXI11:THE P-BLOCK ELEMENTS

316481 Match the Column I with Column II
Column I
Column II
A
Melting point[K]
P
Tl>In>Ga>Al>B
B
Ionic radius \({\rm{[}}{{\rm{M}}^{{\rm{ + 3}}}}{\rm{/pm]}}\)
Q
B>Tl>Al\( \approx {\rm{Ga > In}}\)
C
\({{\rm{\Delta }}_{\rm{i}}}{{\rm{H}}_{\rm{i}}}{\rm{[kJ}}\,{\rm{mo}}{{\rm{l}}^{ - 1}}]\)
R
Tl>In>Al>Ga>B
D
Atomic radius[pm]
S
B>Al>Tl>In>Ga

1 A - R,B - S,\({\mathrm{\mathrm{\mathrm{C}-\mathrm{P}, \quad \mathrm{D}-\mathrm{Q}}}}\)
2 A - S,B - P,\({\mathrm{\mathrm{\mathrm{C}-\mathrm{Q}}}}\),\({\mathrm{\mathrm{\mathrm{D}-\mathrm{R}}}}\)
3 A - Q,B - R,\({\mathrm{\mathrm{\mathrm{C}-\mathrm{S}}}}\),D - P
4 \({\mathrm{\mathrm{\mathrm{A}-\mathrm{P}}}}\),\({\mathrm{\mathrm{\mathrm{B}-\mathrm{Q}}}}\),\({\mathrm{\mathrm{\mathrm{C}-\mathrm{R}}}}\),D - S
JEE Main - 2024
CHXI11:THE P-BLOCK ELEMENTS

316482 For the properties mentioned, the correct trend for the different species is in

1 Strength as Lewis acids- \(\mathrm{BCl}_{3}>\mathrm{AlCl}_{3}>\mathrm{GaCl}_{3}\)
2 Inert pair effect \(-\mathrm{Al}>\mathrm{Ga}>\) In
3 Oxidising property \(-\mathrm{Al}^{3+}>\mathrm{In}^{3+}>\mathrm{Tl}^{3+}\)
4 First ionization enthalpy \(-\mathrm{B}>\mathrm{Al}>\mathrm{Tl}\)
CHXI11:THE P-BLOCK ELEMENTS

316483 Both boron and aluminium show difference in properties from the remaining members of group 13. This is because

1 Both B and Al have smaller size as compared to other members of the family
2 Both B and Al have high values of ionization enthalpy
3 Both B and Al have only the valence electrons \(\left( {{\text{n}}{{\text{s}}^{\text{2}}}{\text{n}}{{\text{p}}^{\text{1}}}} \right)\) out side the noble gas core while the remaining elements have filled \(\mathrm{d}\) and f-orbitals in between the noble gas core and the valence electrons
4 None of these
CHXI11:THE P-BLOCK ELEMENTS

316484 Which member of group 13 does not exhibit the group valency in its compounds?

1 Boron
2 Aluminium
3 Gallium
4 Thallium
For More Updates join with Us