Boron and its Compounds
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CHXI11:THE P-BLOCK ELEMENTS

316113 The maximum number of atoms present in the same plane in diborane molecule is

1 2
2 6
3 4
4 3
CHXI11:THE P-BLOCK ELEMENTS

316114 A bond that does not exist in diborane is

1 \(\mathrm{B}-\mathrm{H}\)
2 \(\mathrm{B}-\mathrm{B}\)
3 \(\mathrm{B}-\mathrm{H}-\mathrm{B}\)
4 \(\mathrm{H}-\mathrm{B}-\mathrm{H}\)
CHXI11:THE P-BLOCK ELEMENTS

316115 The geometry of a complex species can be understood from the knowledge of type of hybridisation of orbitals of central atom. The hybridisation of orbitals of central atom in
\(\left[\mathrm{B}\left(\mathrm{OH}_{4}\right)\right]^{-}\)and the geometry of the complex are respectively

1 \(\mathrm{sp}^{3}\), tetrahedral
2 \(\mathrm{sp}^{3}\), square planar
3 \(\mathrm{sp}^{3} \mathrm{~d}^{2}\), octahedral
4 \(\mathrm{dsp}^{2}\), square planar
CHXI11:THE P-BLOCK ELEMENTS

316116 In \({{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}\)

1 There is a direct boron-boron bond
2 The boron atoms are linked through hydrogen bridges
3 The structure is similar to \(\mathrm{C}_{2} \mathrm{H}_{6}\)
4 All the atoms are in one plane
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CHXI11:THE P-BLOCK ELEMENTS

316113 The maximum number of atoms present in the same plane in diborane molecule is

1 2
2 6
3 4
4 3
CHXI11:THE P-BLOCK ELEMENTS

316114 A bond that does not exist in diborane is

1 \(\mathrm{B}-\mathrm{H}\)
2 \(\mathrm{B}-\mathrm{B}\)
3 \(\mathrm{B}-\mathrm{H}-\mathrm{B}\)
4 \(\mathrm{H}-\mathrm{B}-\mathrm{H}\)
CHXI11:THE P-BLOCK ELEMENTS

316115 The geometry of a complex species can be understood from the knowledge of type of hybridisation of orbitals of central atom. The hybridisation of orbitals of central atom in
\(\left[\mathrm{B}\left(\mathrm{OH}_{4}\right)\right]^{-}\)and the geometry of the complex are respectively

1 \(\mathrm{sp}^{3}\), tetrahedral
2 \(\mathrm{sp}^{3}\), square planar
3 \(\mathrm{sp}^{3} \mathrm{~d}^{2}\), octahedral
4 \(\mathrm{dsp}^{2}\), square planar
CHXI11:THE P-BLOCK ELEMENTS

316116 In \({{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}\)

1 There is a direct boron-boron bond
2 The boron atoms are linked through hydrogen bridges
3 The structure is similar to \(\mathrm{C}_{2} \mathrm{H}_{6}\)
4 All the atoms are in one plane
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CHXI11:THE P-BLOCK ELEMENTS

316113 The maximum number of atoms present in the same plane in diborane molecule is

1 2
2 6
3 4
4 3
CHXI11:THE P-BLOCK ELEMENTS

316114 A bond that does not exist in diborane is

1 \(\mathrm{B}-\mathrm{H}\)
2 \(\mathrm{B}-\mathrm{B}\)
3 \(\mathrm{B}-\mathrm{H}-\mathrm{B}\)
4 \(\mathrm{H}-\mathrm{B}-\mathrm{H}\)
CHXI11:THE P-BLOCK ELEMENTS

316115 The geometry of a complex species can be understood from the knowledge of type of hybridisation of orbitals of central atom. The hybridisation of orbitals of central atom in
\(\left[\mathrm{B}\left(\mathrm{OH}_{4}\right)\right]^{-}\)and the geometry of the complex are respectively

1 \(\mathrm{sp}^{3}\), tetrahedral
2 \(\mathrm{sp}^{3}\), square planar
3 \(\mathrm{sp}^{3} \mathrm{~d}^{2}\), octahedral
4 \(\mathrm{dsp}^{2}\), square planar
CHXI11:THE P-BLOCK ELEMENTS

316116 In \({{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}\)

1 There is a direct boron-boron bond
2 The boron atoms are linked through hydrogen bridges
3 The structure is similar to \(\mathrm{C}_{2} \mathrm{H}_{6}\)
4 All the atoms are in one plane
For More Updates join with Us
CHXI11:THE P-BLOCK ELEMENTS

316113 The maximum number of atoms present in the same plane in diborane molecule is

1 2
2 6
3 4
4 3
CHXI11:THE P-BLOCK ELEMENTS

316114 A bond that does not exist in diborane is

1 \(\mathrm{B}-\mathrm{H}\)
2 \(\mathrm{B}-\mathrm{B}\)
3 \(\mathrm{B}-\mathrm{H}-\mathrm{B}\)
4 \(\mathrm{H}-\mathrm{B}-\mathrm{H}\)
CHXI11:THE P-BLOCK ELEMENTS

316115 The geometry of a complex species can be understood from the knowledge of type of hybridisation of orbitals of central atom. The hybridisation of orbitals of central atom in
\(\left[\mathrm{B}\left(\mathrm{OH}_{4}\right)\right]^{-}\)and the geometry of the complex are respectively

1 \(\mathrm{sp}^{3}\), tetrahedral
2 \(\mathrm{sp}^{3}\), square planar
3 \(\mathrm{sp}^{3} \mathrm{~d}^{2}\), octahedral
4 \(\mathrm{dsp}^{2}\), square planar
CHXI11:THE P-BLOCK ELEMENTS

316116 In \({{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}\)

1 There is a direct boron-boron bond
2 The boron atoms are linked through hydrogen bridges
3 The structure is similar to \(\mathrm{C}_{2} \mathrm{H}_{6}\)
4 All the atoms are in one plane