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

316320 Which ion does not exist?

1 \(\left[\mathrm{CCl}_{6}\right]^{2-}\)
2 \(\left[\mathrm{SiF}_{6}\right]^{2-}\)
3 \(\left[\mathrm{GeF}_{6}\right]^{2-}\)
4 \(\left[\mathrm{SnCl}_{6}\right]^{2-}\)
CHXI11:THE P-BLOCK ELEMENTS

316321 When \(\mathrm{SnCl}_{2}\) reacts with \(\mathrm{HgCl}_{2}\), the product formed are :

1 \(\mathrm{Sn}+\mathrm{HgCl}_{4}\)
2 \(\mathrm{SnCl}_{2}+\mathrm{Hg}_{2} \mathrm{Cl}_{2}\)
3 \(\mathrm{SnCl}_{4}\) and \(\mathrm{Hg}_{2}\)
4 \(\mathrm{Hg}+\mathrm{SnCl}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316322 \(\mathrm{SiCl}_{4}\) is easily hydrolysed by water whereas \(\mathrm{CCl}_{4}\) is stable towards hydrolysis in water because:

1 \(\mathrm{CCl}_{4}\) exists as a molecule whereas \(\mathrm{SiCl}_{4}\) is ionic
2 The \(\mathrm{C}-\mathrm{Cl}\) bond is stronger than the \(\mathrm{Si}-\mathrm{Cl}\) bond
3 Silicon has vacant 3d orbital available for further co-ordination with water whereas carbon has no d orbital for bonding
4 Silicon is more electropositive than carbon
CHXI11:THE P-BLOCK ELEMENTS

316323 Consider the oxides of group 14 elements \({\mathrm{\mathrm{\mathrm{SiO}_{2}, \mathrm{GeO}_{2}, \mathrm{SnO}_{2}, \mathrm{PbO}_{2}, \mathrm{CO}}}}\) and GeO . The amphoteric oxides are

1 \({\mathrm{\mathrm{\mathrm{GeO}, \mathrm{GeO}_{2}}}}\)
2 \({\mathrm{\mathrm{\mathrm{SnO}_{2}, \mathrm{CO}}}}\)
3 \({\mathrm{\mathrm{\mathrm{SiO}_{2}, \mathrm{GeO}_{2}}}}\)
4 \({\mathrm{\mathrm{\mathrm{SnO}_{2}, \mathrm{PbO}_{2}}}}\)
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CHXI11:THE P-BLOCK ELEMENTS

316320 Which ion does not exist?

1 \(\left[\mathrm{CCl}_{6}\right]^{2-}\)
2 \(\left[\mathrm{SiF}_{6}\right]^{2-}\)
3 \(\left[\mathrm{GeF}_{6}\right]^{2-}\)
4 \(\left[\mathrm{SnCl}_{6}\right]^{2-}\)
CHXI11:THE P-BLOCK ELEMENTS

316321 When \(\mathrm{SnCl}_{2}\) reacts with \(\mathrm{HgCl}_{2}\), the product formed are :

1 \(\mathrm{Sn}+\mathrm{HgCl}_{4}\)
2 \(\mathrm{SnCl}_{2}+\mathrm{Hg}_{2} \mathrm{Cl}_{2}\)
3 \(\mathrm{SnCl}_{4}\) and \(\mathrm{Hg}_{2}\)
4 \(\mathrm{Hg}+\mathrm{SnCl}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316322 \(\mathrm{SiCl}_{4}\) is easily hydrolysed by water whereas \(\mathrm{CCl}_{4}\) is stable towards hydrolysis in water because:

1 \(\mathrm{CCl}_{4}\) exists as a molecule whereas \(\mathrm{SiCl}_{4}\) is ionic
2 The \(\mathrm{C}-\mathrm{Cl}\) bond is stronger than the \(\mathrm{Si}-\mathrm{Cl}\) bond
3 Silicon has vacant 3d orbital available for further co-ordination with water whereas carbon has no d orbital for bonding
4 Silicon is more electropositive than carbon
CHXI11:THE P-BLOCK ELEMENTS

316323 Consider the oxides of group 14 elements \({\mathrm{\mathrm{\mathrm{SiO}_{2}, \mathrm{GeO}_{2}, \mathrm{SnO}_{2}, \mathrm{PbO}_{2}, \mathrm{CO}}}}\) and GeO . The amphoteric oxides are

1 \({\mathrm{\mathrm{\mathrm{GeO}, \mathrm{GeO}_{2}}}}\)
2 \({\mathrm{\mathrm{\mathrm{SnO}_{2}, \mathrm{CO}}}}\)
3 \({\mathrm{\mathrm{\mathrm{SiO}_{2}, \mathrm{GeO}_{2}}}}\)
4 \({\mathrm{\mathrm{\mathrm{SnO}_{2}, \mathrm{PbO}_{2}}}}\)
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CHXI11:THE P-BLOCK ELEMENTS

316320 Which ion does not exist?

1 \(\left[\mathrm{CCl}_{6}\right]^{2-}\)
2 \(\left[\mathrm{SiF}_{6}\right]^{2-}\)
3 \(\left[\mathrm{GeF}_{6}\right]^{2-}\)
4 \(\left[\mathrm{SnCl}_{6}\right]^{2-}\)
CHXI11:THE P-BLOCK ELEMENTS

316321 When \(\mathrm{SnCl}_{2}\) reacts with \(\mathrm{HgCl}_{2}\), the product formed are :

1 \(\mathrm{Sn}+\mathrm{HgCl}_{4}\)
2 \(\mathrm{SnCl}_{2}+\mathrm{Hg}_{2} \mathrm{Cl}_{2}\)
3 \(\mathrm{SnCl}_{4}\) and \(\mathrm{Hg}_{2}\)
4 \(\mathrm{Hg}+\mathrm{SnCl}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316322 \(\mathrm{SiCl}_{4}\) is easily hydrolysed by water whereas \(\mathrm{CCl}_{4}\) is stable towards hydrolysis in water because:

1 \(\mathrm{CCl}_{4}\) exists as a molecule whereas \(\mathrm{SiCl}_{4}\) is ionic
2 The \(\mathrm{C}-\mathrm{Cl}\) bond is stronger than the \(\mathrm{Si}-\mathrm{Cl}\) bond
3 Silicon has vacant 3d orbital available for further co-ordination with water whereas carbon has no d orbital for bonding
4 Silicon is more electropositive than carbon
CHXI11:THE P-BLOCK ELEMENTS

316323 Consider the oxides of group 14 elements \({\mathrm{\mathrm{\mathrm{SiO}_{2}, \mathrm{GeO}_{2}, \mathrm{SnO}_{2}, \mathrm{PbO}_{2}, \mathrm{CO}}}}\) and GeO . The amphoteric oxides are

1 \({\mathrm{\mathrm{\mathrm{GeO}, \mathrm{GeO}_{2}}}}\)
2 \({\mathrm{\mathrm{\mathrm{SnO}_{2}, \mathrm{CO}}}}\)
3 \({\mathrm{\mathrm{\mathrm{SiO}_{2}, \mathrm{GeO}_{2}}}}\)
4 \({\mathrm{\mathrm{\mathrm{SnO}_{2}, \mathrm{PbO}_{2}}}}\)
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CHXI11:THE P-BLOCK ELEMENTS

316320 Which ion does not exist?

1 \(\left[\mathrm{CCl}_{6}\right]^{2-}\)
2 \(\left[\mathrm{SiF}_{6}\right]^{2-}\)
3 \(\left[\mathrm{GeF}_{6}\right]^{2-}\)
4 \(\left[\mathrm{SnCl}_{6}\right]^{2-}\)
CHXI11:THE P-BLOCK ELEMENTS

316321 When \(\mathrm{SnCl}_{2}\) reacts with \(\mathrm{HgCl}_{2}\), the product formed are :

1 \(\mathrm{Sn}+\mathrm{HgCl}_{4}\)
2 \(\mathrm{SnCl}_{2}+\mathrm{Hg}_{2} \mathrm{Cl}_{2}\)
3 \(\mathrm{SnCl}_{4}\) and \(\mathrm{Hg}_{2}\)
4 \(\mathrm{Hg}+\mathrm{SnCl}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316322 \(\mathrm{SiCl}_{4}\) is easily hydrolysed by water whereas \(\mathrm{CCl}_{4}\) is stable towards hydrolysis in water because:

1 \(\mathrm{CCl}_{4}\) exists as a molecule whereas \(\mathrm{SiCl}_{4}\) is ionic
2 The \(\mathrm{C}-\mathrm{Cl}\) bond is stronger than the \(\mathrm{Si}-\mathrm{Cl}\) bond
3 Silicon has vacant 3d orbital available for further co-ordination with water whereas carbon has no d orbital for bonding
4 Silicon is more electropositive than carbon
CHXI11:THE P-BLOCK ELEMENTS

316323 Consider the oxides of group 14 elements \({\mathrm{\mathrm{\mathrm{SiO}_{2}, \mathrm{GeO}_{2}, \mathrm{SnO}_{2}, \mathrm{PbO}_{2}, \mathrm{CO}}}}\) and GeO . The amphoteric oxides are

1 \({\mathrm{\mathrm{\mathrm{GeO}, \mathrm{GeO}_{2}}}}\)
2 \({\mathrm{\mathrm{\mathrm{SnO}_{2}, \mathrm{CO}}}}\)
3 \({\mathrm{\mathrm{\mathrm{SiO}_{2}, \mathrm{GeO}_{2}}}}\)
4 \({\mathrm{\mathrm{\mathrm{SnO}_{2}, \mathrm{PbO}_{2}}}}\)
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