Chemical Properties and General Characteristics of Group – 13 Elements
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CHXI11:THE P-BLOCK ELEMENTS

316264 Affinity for hydrogen decreases in the group from fluorine to iodine. Which of the halogen acids should have the highest bond dissociation enthalpy?

1 \(\mathrm{HF}\)
2 \(\mathrm{HCl}\)
3 \(\mathrm{HBr}\)
4 \(\mathrm{HI}\)
CHXI11:THE P-BLOCK ELEMENTS

316232 The decreasing order of rate of reaction of the following haldies with water is

1 \(\mathrm{NCl}_{3}>\mathrm{PCl}_{3}>\mathrm{AsCl}_{3}>\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}\)
2 \(\mathrm{PCl}_{3}>\mathrm{NCl}_{3}>\mathrm{AsCl}_{3}>\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}\)
3 \(\mathrm{AsCl}_{3}>\mathrm{NCl}_{3}>\mathrm{PCl}_{3}>\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}\)
4 \(\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}>\mathrm{AsCl}_{3}>\mathrm{NCl}_{3}>\mathrm{PCl}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316191 Which of the following is electron deficient molecule?

1 \(\mathrm{B}_{2} \mathrm{H}_{6}\)
2 \(\mathrm{C}_{2} \mathrm{H}_{6}\)
3 \(\mathrm{PH}_{3}\)
4 \(\mathrm{SiH}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316192 The correct statements from the following are
(I) The decreasing order of atomic radii of group 13 elements is \({\mathrm{\mathrm{\mathrm{Tl}>\mathrm{In}>\mathrm{Ga}>\mathrm{Al}>\mathrm{B}}}}\).
(II) Down the group 13, electronegativity decreases from top to bottom.
(III) Al dissolves in dil. HCl and liberates \({\mathrm{\mathrm{\mathrm{H}_{2}}}}\) but conc. \({\mathrm{\mathrm{\mathrm{HNO}_{3}}}}\) renders Al passive by forming a protective oxide layer on the surface.
(IV) All elements of group 13 exhibits highly stable +1 oxidation state.
(V) Hybridisation of Al in \({\mathrm{\mathrm{\left[\mathrm{Al}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}}}}\) ion is \({\mathrm{\mathrm{\mathrm{sp}^{3} \mathrm{~d}^{2}}}}\)
Choose the correct answer from the options given below:

1 (I), (II), (III) and (V) only
2 (I), (III) and (V) only
3 (III) and (V) only
4 (I) and (III) only
JEE Main - 2024
CHXI11:THE P-BLOCK ELEMENTS

316193 Which one of the following is a correct statement?

1 The hydroxide of aluminium is more acidic than that of boron
2 The hydroxide of boron is basic while that of aluminium is amphoteric
3 The hydroxide of boron is acidic while that of aluminium is amphoteric
4 The hydroxides of both boron and aluminium are amphoteric
NEET DIGITAL LIBRARY
CHXI11:THE P-BLOCK ELEMENTS

316264 Affinity for hydrogen decreases in the group from fluorine to iodine. Which of the halogen acids should have the highest bond dissociation enthalpy?

1 \(\mathrm{HF}\)
2 \(\mathrm{HCl}\)
3 \(\mathrm{HBr}\)
4 \(\mathrm{HI}\)
CHXI11:THE P-BLOCK ELEMENTS

316232 The decreasing order of rate of reaction of the following haldies with water is

1 \(\mathrm{NCl}_{3}>\mathrm{PCl}_{3}>\mathrm{AsCl}_{3}>\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}\)
2 \(\mathrm{PCl}_{3}>\mathrm{NCl}_{3}>\mathrm{AsCl}_{3}>\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}\)
3 \(\mathrm{AsCl}_{3}>\mathrm{NCl}_{3}>\mathrm{PCl}_{3}>\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}\)
4 \(\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}>\mathrm{AsCl}_{3}>\mathrm{NCl}_{3}>\mathrm{PCl}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316191 Which of the following is electron deficient molecule?

1 \(\mathrm{B}_{2} \mathrm{H}_{6}\)
2 \(\mathrm{C}_{2} \mathrm{H}_{6}\)
3 \(\mathrm{PH}_{3}\)
4 \(\mathrm{SiH}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316192 The correct statements from the following are
(I) The decreasing order of atomic radii of group 13 elements is \({\mathrm{\mathrm{\mathrm{Tl}>\mathrm{In}>\mathrm{Ga}>\mathrm{Al}>\mathrm{B}}}}\).
(II) Down the group 13, electronegativity decreases from top to bottom.
(III) Al dissolves in dil. HCl and liberates \({\mathrm{\mathrm{\mathrm{H}_{2}}}}\) but conc. \({\mathrm{\mathrm{\mathrm{HNO}_{3}}}}\) renders Al passive by forming a protective oxide layer on the surface.
(IV) All elements of group 13 exhibits highly stable +1 oxidation state.
(V) Hybridisation of Al in \({\mathrm{\mathrm{\left[\mathrm{Al}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}}}}\) ion is \({\mathrm{\mathrm{\mathrm{sp}^{3} \mathrm{~d}^{2}}}}\)
Choose the correct answer from the options given below:

1 (I), (II), (III) and (V) only
2 (I), (III) and (V) only
3 (III) and (V) only
4 (I) and (III) only
JEE Main - 2024
CHXI11:THE P-BLOCK ELEMENTS

316193 Which one of the following is a correct statement?

1 The hydroxide of aluminium is more acidic than that of boron
2 The hydroxide of boron is basic while that of aluminium is amphoteric
3 The hydroxide of boron is acidic while that of aluminium is amphoteric
4 The hydroxides of both boron and aluminium are amphoteric
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CHXI11:THE P-BLOCK ELEMENTS

316264 Affinity for hydrogen decreases in the group from fluorine to iodine. Which of the halogen acids should have the highest bond dissociation enthalpy?

1 \(\mathrm{HF}\)
2 \(\mathrm{HCl}\)
3 \(\mathrm{HBr}\)
4 \(\mathrm{HI}\)
CHXI11:THE P-BLOCK ELEMENTS

316232 The decreasing order of rate of reaction of the following haldies with water is

1 \(\mathrm{NCl}_{3}>\mathrm{PCl}_{3}>\mathrm{AsCl}_{3}>\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}\)
2 \(\mathrm{PCl}_{3}>\mathrm{NCl}_{3}>\mathrm{AsCl}_{3}>\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}\)
3 \(\mathrm{AsCl}_{3}>\mathrm{NCl}_{3}>\mathrm{PCl}_{3}>\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}\)
4 \(\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}>\mathrm{AsCl}_{3}>\mathrm{NCl}_{3}>\mathrm{PCl}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316191 Which of the following is electron deficient molecule?

1 \(\mathrm{B}_{2} \mathrm{H}_{6}\)
2 \(\mathrm{C}_{2} \mathrm{H}_{6}\)
3 \(\mathrm{PH}_{3}\)
4 \(\mathrm{SiH}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316192 The correct statements from the following are
(I) The decreasing order of atomic radii of group 13 elements is \({\mathrm{\mathrm{\mathrm{Tl}>\mathrm{In}>\mathrm{Ga}>\mathrm{Al}>\mathrm{B}}}}\).
(II) Down the group 13, electronegativity decreases from top to bottom.
(III) Al dissolves in dil. HCl and liberates \({\mathrm{\mathrm{\mathrm{H}_{2}}}}\) but conc. \({\mathrm{\mathrm{\mathrm{HNO}_{3}}}}\) renders Al passive by forming a protective oxide layer on the surface.
(IV) All elements of group 13 exhibits highly stable +1 oxidation state.
(V) Hybridisation of Al in \({\mathrm{\mathrm{\left[\mathrm{Al}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}}}}\) ion is \({\mathrm{\mathrm{\mathrm{sp}^{3} \mathrm{~d}^{2}}}}\)
Choose the correct answer from the options given below:

1 (I), (II), (III) and (V) only
2 (I), (III) and (V) only
3 (III) and (V) only
4 (I) and (III) only
JEE Main - 2024
CHXI11:THE P-BLOCK ELEMENTS

316193 Which one of the following is a correct statement?

1 The hydroxide of aluminium is more acidic than that of boron
2 The hydroxide of boron is basic while that of aluminium is amphoteric
3 The hydroxide of boron is acidic while that of aluminium is amphoteric
4 The hydroxides of both boron and aluminium are amphoteric
For More Updates join with Us
CHXI11:THE P-BLOCK ELEMENTS

316264 Affinity for hydrogen decreases in the group from fluorine to iodine. Which of the halogen acids should have the highest bond dissociation enthalpy?

1 \(\mathrm{HF}\)
2 \(\mathrm{HCl}\)
3 \(\mathrm{HBr}\)
4 \(\mathrm{HI}\)
CHXI11:THE P-BLOCK ELEMENTS

316232 The decreasing order of rate of reaction of the following haldies with water is

1 \(\mathrm{NCl}_{3}>\mathrm{PCl}_{3}>\mathrm{AsCl}_{3}>\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}\)
2 \(\mathrm{PCl}_{3}>\mathrm{NCl}_{3}>\mathrm{AsCl}_{3}>\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}\)
3 \(\mathrm{AsCl}_{3}>\mathrm{NCl}_{3}>\mathrm{PCl}_{3}>\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}\)
4 \(\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}>\mathrm{AsCl}_{3}>\mathrm{NCl}_{3}>\mathrm{PCl}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316191 Which of the following is electron deficient molecule?

1 \(\mathrm{B}_{2} \mathrm{H}_{6}\)
2 \(\mathrm{C}_{2} \mathrm{H}_{6}\)
3 \(\mathrm{PH}_{3}\)
4 \(\mathrm{SiH}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316192 The correct statements from the following are
(I) The decreasing order of atomic radii of group 13 elements is \({\mathrm{\mathrm{\mathrm{Tl}>\mathrm{In}>\mathrm{Ga}>\mathrm{Al}>\mathrm{B}}}}\).
(II) Down the group 13, electronegativity decreases from top to bottom.
(III) Al dissolves in dil. HCl and liberates \({\mathrm{\mathrm{\mathrm{H}_{2}}}}\) but conc. \({\mathrm{\mathrm{\mathrm{HNO}_{3}}}}\) renders Al passive by forming a protective oxide layer on the surface.
(IV) All elements of group 13 exhibits highly stable +1 oxidation state.
(V) Hybridisation of Al in \({\mathrm{\mathrm{\left[\mathrm{Al}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}}}}\) ion is \({\mathrm{\mathrm{\mathrm{sp}^{3} \mathrm{~d}^{2}}}}\)
Choose the correct answer from the options given below:

1 (I), (II), (III) and (V) only
2 (I), (III) and (V) only
3 (III) and (V) only
4 (I) and (III) only
JEE Main - 2024
CHXI11:THE P-BLOCK ELEMENTS

316193 Which one of the following is a correct statement?

1 The hydroxide of aluminium is more acidic than that of boron
2 The hydroxide of boron is basic while that of aluminium is amphoteric
3 The hydroxide of boron is acidic while that of aluminium is amphoteric
4 The hydroxides of both boron and aluminium are amphoteric
NEET DIGITAL LIBRARY
CHXI11:THE P-BLOCK ELEMENTS

316264 Affinity for hydrogen decreases in the group from fluorine to iodine. Which of the halogen acids should have the highest bond dissociation enthalpy?

1 \(\mathrm{HF}\)
2 \(\mathrm{HCl}\)
3 \(\mathrm{HBr}\)
4 \(\mathrm{HI}\)
CHXI11:THE P-BLOCK ELEMENTS

316232 The decreasing order of rate of reaction of the following haldies with water is

1 \(\mathrm{NCl}_{3}>\mathrm{PCl}_{3}>\mathrm{AsCl}_{3}>\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}\)
2 \(\mathrm{PCl}_{3}>\mathrm{NCl}_{3}>\mathrm{AsCl}_{3}>\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}\)
3 \(\mathrm{AsCl}_{3}>\mathrm{NCl}_{3}>\mathrm{PCl}_{3}>\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}\)
4 \(\mathrm{SbCl}_{3}>\mathrm{BiCl}_{3}>\mathrm{AsCl}_{3}>\mathrm{NCl}_{3}>\mathrm{PCl}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316191 Which of the following is electron deficient molecule?

1 \(\mathrm{B}_{2} \mathrm{H}_{6}\)
2 \(\mathrm{C}_{2} \mathrm{H}_{6}\)
3 \(\mathrm{PH}_{3}\)
4 \(\mathrm{SiH}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316192 The correct statements from the following are
(I) The decreasing order of atomic radii of group 13 elements is \({\mathrm{\mathrm{\mathrm{Tl}>\mathrm{In}>\mathrm{Ga}>\mathrm{Al}>\mathrm{B}}}}\).
(II) Down the group 13, electronegativity decreases from top to bottom.
(III) Al dissolves in dil. HCl and liberates \({\mathrm{\mathrm{\mathrm{H}_{2}}}}\) but conc. \({\mathrm{\mathrm{\mathrm{HNO}_{3}}}}\) renders Al passive by forming a protective oxide layer on the surface.
(IV) All elements of group 13 exhibits highly stable +1 oxidation state.
(V) Hybridisation of Al in \({\mathrm{\mathrm{\left[\mathrm{Al}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}}}}\) ion is \({\mathrm{\mathrm{\mathrm{sp}^{3} \mathrm{~d}^{2}}}}\)
Choose the correct answer from the options given below:

1 (I), (II), (III) and (V) only
2 (I), (III) and (V) only
3 (III) and (V) only
4 (I) and (III) only
JEE Main - 2024
CHXI11:THE P-BLOCK ELEMENTS

316193 Which one of the following is a correct statement?

1 The hydroxide of aluminium is more acidic than that of boron
2 The hydroxide of boron is basic while that of aluminium is amphoteric
3 The hydroxide of boron is acidic while that of aluminium is amphoteric
4 The hydroxides of both boron and aluminium are amphoteric