Preparation and Properties of Aluminium, its Compounds and Alum
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CHXI11:THE P-BLOCK ELEMENTS

316898 Value of ' \({\text{x}}\) ' in potash alum, \(\mathrm{K}_{2} \mathrm{SO}_{4} \cdot \mathrm{Al}_{\mathrm{x}}\left(\mathrm{SO}_{4}\right)_{3}\). \(24 \mathrm{H}_{2} \mathrm{O}\) is:

1 4
2 1
3 2
4 None of these
CHXI11:THE P-BLOCK ELEMENTS

316899 Aluminium (III) chloride forms a dimer because aluminium

1 Cannot form a trimer
2 Has high ionisation energy
3 Belongs to third group
4 Can increase coordination number
CHXI11:THE P-BLOCK ELEMENTS

316900 The composition of ammonal is

1 \(\mathrm{Al}+\mathrm{NH}_{4} \mathrm{NO}_{3}\)
2 \(\mathrm{Al}_{2} \mathrm{O}_{3}+\mathrm{NH}_{3}\)
3 \(\mathrm{Al}+\mathrm{NH}_{3}\)
4 \(\mathrm{Al}+\mathrm{TNT}\)
CHXI11:THE P-BLOCK ELEMENTS

316901 Lithium aluminium hydride can be prepared from the reaction of

1 LiCl and \(\mathrm{Al}_{2} \mathrm{H}_{6}\)
2 LiH and \(\mathrm{Al}(\mathrm{OH})_{3}\)
3 \(\mathrm{LiCl}, \mathrm{Al}\) and \(\mathrm{H}_{2}\)
4 LiH and \(\mathrm{Al}_{2} \mathrm{Cl}_{6}\)
JEE - 2023
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CHXI11:THE P-BLOCK ELEMENTS

316898 Value of ' \({\text{x}}\) ' in potash alum, \(\mathrm{K}_{2} \mathrm{SO}_{4} \cdot \mathrm{Al}_{\mathrm{x}}\left(\mathrm{SO}_{4}\right)_{3}\). \(24 \mathrm{H}_{2} \mathrm{O}\) is:

1 4
2 1
3 2
4 None of these
CHXI11:THE P-BLOCK ELEMENTS

316899 Aluminium (III) chloride forms a dimer because aluminium

1 Cannot form a trimer
2 Has high ionisation energy
3 Belongs to third group
4 Can increase coordination number
CHXI11:THE P-BLOCK ELEMENTS

316900 The composition of ammonal is

1 \(\mathrm{Al}+\mathrm{NH}_{4} \mathrm{NO}_{3}\)
2 \(\mathrm{Al}_{2} \mathrm{O}_{3}+\mathrm{NH}_{3}\)
3 \(\mathrm{Al}+\mathrm{NH}_{3}\)
4 \(\mathrm{Al}+\mathrm{TNT}\)
CHXI11:THE P-BLOCK ELEMENTS

316901 Lithium aluminium hydride can be prepared from the reaction of

1 LiCl and \(\mathrm{Al}_{2} \mathrm{H}_{6}\)
2 LiH and \(\mathrm{Al}(\mathrm{OH})_{3}\)
3 \(\mathrm{LiCl}, \mathrm{Al}\) and \(\mathrm{H}_{2}\)
4 LiH and \(\mathrm{Al}_{2} \mathrm{Cl}_{6}\)
JEE - 2023
NEET DIGITAL LIBRARY
CHXI11:THE P-BLOCK ELEMENTS

316898 Value of ' \({\text{x}}\) ' in potash alum, \(\mathrm{K}_{2} \mathrm{SO}_{4} \cdot \mathrm{Al}_{\mathrm{x}}\left(\mathrm{SO}_{4}\right)_{3}\). \(24 \mathrm{H}_{2} \mathrm{O}\) is:

1 4
2 1
3 2
4 None of these
CHXI11:THE P-BLOCK ELEMENTS

316899 Aluminium (III) chloride forms a dimer because aluminium

1 Cannot form a trimer
2 Has high ionisation energy
3 Belongs to third group
4 Can increase coordination number
CHXI11:THE P-BLOCK ELEMENTS

316900 The composition of ammonal is

1 \(\mathrm{Al}+\mathrm{NH}_{4} \mathrm{NO}_{3}\)
2 \(\mathrm{Al}_{2} \mathrm{O}_{3}+\mathrm{NH}_{3}\)
3 \(\mathrm{Al}+\mathrm{NH}_{3}\)
4 \(\mathrm{Al}+\mathrm{TNT}\)
CHXI11:THE P-BLOCK ELEMENTS

316901 Lithium aluminium hydride can be prepared from the reaction of

1 LiCl and \(\mathrm{Al}_{2} \mathrm{H}_{6}\)
2 LiH and \(\mathrm{Al}(\mathrm{OH})_{3}\)
3 \(\mathrm{LiCl}, \mathrm{Al}\) and \(\mathrm{H}_{2}\)
4 LiH and \(\mathrm{Al}_{2} \mathrm{Cl}_{6}\)
JEE - 2023
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CHXI11:THE P-BLOCK ELEMENTS

316898 Value of ' \({\text{x}}\) ' in potash alum, \(\mathrm{K}_{2} \mathrm{SO}_{4} \cdot \mathrm{Al}_{\mathrm{x}}\left(\mathrm{SO}_{4}\right)_{3}\). \(24 \mathrm{H}_{2} \mathrm{O}\) is:

1 4
2 1
3 2
4 None of these
CHXI11:THE P-BLOCK ELEMENTS

316899 Aluminium (III) chloride forms a dimer because aluminium

1 Cannot form a trimer
2 Has high ionisation energy
3 Belongs to third group
4 Can increase coordination number
CHXI11:THE P-BLOCK ELEMENTS

316900 The composition of ammonal is

1 \(\mathrm{Al}+\mathrm{NH}_{4} \mathrm{NO}_{3}\)
2 \(\mathrm{Al}_{2} \mathrm{O}_{3}+\mathrm{NH}_{3}\)
3 \(\mathrm{Al}+\mathrm{NH}_{3}\)
4 \(\mathrm{Al}+\mathrm{TNT}\)
CHXI11:THE P-BLOCK ELEMENTS

316901 Lithium aluminium hydride can be prepared from the reaction of

1 LiCl and \(\mathrm{Al}_{2} \mathrm{H}_{6}\)
2 LiH and \(\mathrm{Al}(\mathrm{OH})_{3}\)
3 \(\mathrm{LiCl}, \mathrm{Al}\) and \(\mathrm{H}_{2}\)
4 LiH and \(\mathrm{Al}_{2} \mathrm{Cl}_{6}\)
JEE - 2023
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