11. THE P-BLOCK ELEMENTS
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11. THE P-BLOCK ELEMENTS

190087 Aluminium chloride in acidified aqueous solution forms an ion having geometry

1 Octahedral
2 Square Planar
3 Tetrahedral
4 Trigonal bipyramidal
11. THE P-BLOCK ELEMENTS

190089 Given below are two statements:Statement \((I)\) : \(\mathrm{SiO}_2\) and \(\mathrm{GeO}_2\) are acidic while \(\mathrm{SnO}\) and \(\mathrm{PbO}\) are amphoteric in nature.Statement \((II)\) : Allotropic forms of carbon are due to property of catenation and \(\mathrm{p} \pi-\mathrm{d} \pi\) bond formation.In the light of the above statements, choose the most appropriate answer from the options given below:

1 Both Statement \(I\) and Statement \(II\) are false
2 Both Statement \(I\) and Statement \(II\) are true
3 Statement \(I\) is true but Statement \(II\) is false
4 Statement \(I\) is false but Statement \(II\) is true
11. THE P-BLOCK ELEMENTS

189640 Which of the following does not exist in free form

1 \(B{F_3}\)
2 \(BC{l_3}\)
3 \(BB{r_3}\)
4 \(B{H_3}\)
11. THE P-BLOCK ELEMENTS

189639 Moissan boron is

1 Amorphous boron of ultra purity
2 Crystalline boron of ultra purity
3 Amorphous boron of low purity
4 Crystalline boron of low purity
11. THE P-BLOCK ELEMENTS

189681 In electrolysis of aluminium oxide which of the following is added to accelerate the process

1 Silica
2 Cryolite
3 Nickel
4 Silicate
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11. THE P-BLOCK ELEMENTS

190087 Aluminium chloride in acidified aqueous solution forms an ion having geometry

1 Octahedral
2 Square Planar
3 Tetrahedral
4 Trigonal bipyramidal
11. THE P-BLOCK ELEMENTS

190089 Given below are two statements:Statement \((I)\) : \(\mathrm{SiO}_2\) and \(\mathrm{GeO}_2\) are acidic while \(\mathrm{SnO}\) and \(\mathrm{PbO}\) are amphoteric in nature.Statement \((II)\) : Allotropic forms of carbon are due to property of catenation and \(\mathrm{p} \pi-\mathrm{d} \pi\) bond formation.In the light of the above statements, choose the most appropriate answer from the options given below:

1 Both Statement \(I\) and Statement \(II\) are false
2 Both Statement \(I\) and Statement \(II\) are true
3 Statement \(I\) is true but Statement \(II\) is false
4 Statement \(I\) is false but Statement \(II\) is true
11. THE P-BLOCK ELEMENTS

189640 Which of the following does not exist in free form

1 \(B{F_3}\)
2 \(BC{l_3}\)
3 \(BB{r_3}\)
4 \(B{H_3}\)
11. THE P-BLOCK ELEMENTS

189639 Moissan boron is

1 Amorphous boron of ultra purity
2 Crystalline boron of ultra purity
3 Amorphous boron of low purity
4 Crystalline boron of low purity
11. THE P-BLOCK ELEMENTS

189681 In electrolysis of aluminium oxide which of the following is added to accelerate the process

1 Silica
2 Cryolite
3 Nickel
4 Silicate
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11. THE P-BLOCK ELEMENTS

190087 Aluminium chloride in acidified aqueous solution forms an ion having geometry

1 Octahedral
2 Square Planar
3 Tetrahedral
4 Trigonal bipyramidal
11. THE P-BLOCK ELEMENTS

190089 Given below are two statements:Statement \((I)\) : \(\mathrm{SiO}_2\) and \(\mathrm{GeO}_2\) are acidic while \(\mathrm{SnO}\) and \(\mathrm{PbO}\) are amphoteric in nature.Statement \((II)\) : Allotropic forms of carbon are due to property of catenation and \(\mathrm{p} \pi-\mathrm{d} \pi\) bond formation.In the light of the above statements, choose the most appropriate answer from the options given below:

1 Both Statement \(I\) and Statement \(II\) are false
2 Both Statement \(I\) and Statement \(II\) are true
3 Statement \(I\) is true but Statement \(II\) is false
4 Statement \(I\) is false but Statement \(II\) is true
11. THE P-BLOCK ELEMENTS

189640 Which of the following does not exist in free form

1 \(B{F_3}\)
2 \(BC{l_3}\)
3 \(BB{r_3}\)
4 \(B{H_3}\)
11. THE P-BLOCK ELEMENTS

189639 Moissan boron is

1 Amorphous boron of ultra purity
2 Crystalline boron of ultra purity
3 Amorphous boron of low purity
4 Crystalline boron of low purity
11. THE P-BLOCK ELEMENTS

189681 In electrolysis of aluminium oxide which of the following is added to accelerate the process

1 Silica
2 Cryolite
3 Nickel
4 Silicate
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11. THE P-BLOCK ELEMENTS

190087 Aluminium chloride in acidified aqueous solution forms an ion having geometry

1 Octahedral
2 Square Planar
3 Tetrahedral
4 Trigonal bipyramidal
11. THE P-BLOCK ELEMENTS

190089 Given below are two statements:Statement \((I)\) : \(\mathrm{SiO}_2\) and \(\mathrm{GeO}_2\) are acidic while \(\mathrm{SnO}\) and \(\mathrm{PbO}\) are amphoteric in nature.Statement \((II)\) : Allotropic forms of carbon are due to property of catenation and \(\mathrm{p} \pi-\mathrm{d} \pi\) bond formation.In the light of the above statements, choose the most appropriate answer from the options given below:

1 Both Statement \(I\) and Statement \(II\) are false
2 Both Statement \(I\) and Statement \(II\) are true
3 Statement \(I\) is true but Statement \(II\) is false
4 Statement \(I\) is false but Statement \(II\) is true
11. THE P-BLOCK ELEMENTS

189640 Which of the following does not exist in free form

1 \(B{F_3}\)
2 \(BC{l_3}\)
3 \(BB{r_3}\)
4 \(B{H_3}\)
11. THE P-BLOCK ELEMENTS

189639 Moissan boron is

1 Amorphous boron of ultra purity
2 Crystalline boron of ultra purity
3 Amorphous boron of low purity
4 Crystalline boron of low purity
11. THE P-BLOCK ELEMENTS

189681 In electrolysis of aluminium oxide which of the following is added to accelerate the process

1 Silica
2 Cryolite
3 Nickel
4 Silicate
NEET DIGITAL LIBRARY
11. THE P-BLOCK ELEMENTS

190087 Aluminium chloride in acidified aqueous solution forms an ion having geometry

1 Octahedral
2 Square Planar
3 Tetrahedral
4 Trigonal bipyramidal
11. THE P-BLOCK ELEMENTS

190089 Given below are two statements:Statement \((I)\) : \(\mathrm{SiO}_2\) and \(\mathrm{GeO}_2\) are acidic while \(\mathrm{SnO}\) and \(\mathrm{PbO}\) are amphoteric in nature.Statement \((II)\) : Allotropic forms of carbon are due to property of catenation and \(\mathrm{p} \pi-\mathrm{d} \pi\) bond formation.In the light of the above statements, choose the most appropriate answer from the options given below:

1 Both Statement \(I\) and Statement \(II\) are false
2 Both Statement \(I\) and Statement \(II\) are true
3 Statement \(I\) is true but Statement \(II\) is false
4 Statement \(I\) is false but Statement \(II\) is true
11. THE P-BLOCK ELEMENTS

189640 Which of the following does not exist in free form

1 \(B{F_3}\)
2 \(BC{l_3}\)
3 \(BB{r_3}\)
4 \(B{H_3}\)
11. THE P-BLOCK ELEMENTS

189639 Moissan boron is

1 Amorphous boron of ultra purity
2 Crystalline boron of ultra purity
3 Amorphous boron of low purity
4 Crystalline boron of low purity
11. THE P-BLOCK ELEMENTS

189681 In electrolysis of aluminium oxide which of the following is added to accelerate the process

1 Silica
2 Cryolite
3 Nickel
4 Silicate