Boron and its Compounds
CHXI11:THE P-BLOCK ELEMENTS

316083 Reactivity of borazole is greater than that of benzene because

1 Borazole is non-polar compound
2 Borazole is polar compound
3 Borazole is electron deficient compound
4 Of localized electrons in it
CHXI11:THE P-BLOCK ELEMENTS

316084 How many isomers are possible for disubstituted borazine, \({\mathrm{\mathrm{B}_{3} \mathrm{~N}_{3} \mathrm{H}_{4} \mathrm{X}_{2}}}\) ?

1 6
2 5
3 3
4 4
CHXI11:THE P-BLOCK ELEMENTS

316085 Which among the following is not a borane?

1 \({{\rm{B}}_{\rm{2}}}{{\rm{H}}_{\rm{6}}}\)
2 \({{\rm{B}}_{\rm{3}}}{{\rm{H}}_{\rm{6}}}\)
3 \({{\rm{B}}_{\rm{4}}}{{\rm{H}}_{{\rm{10}}}}\)
4 None of the above
CHXI11:THE P-BLOCK ELEMENTS

316086 By which of the following reactions is borazene prepared?

1 \({{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{ + N}}{{\text{H}}_{\text{3}}}{\text{(excess)}}\xrightarrow{{{\text{low}}\,\,{\text{temperature}}}}\)
2 \({{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{ + N}}{{\text{H}}_{\text{3}}}{\text{(excess)}}\xrightarrow{{{\text{high}}\,\,{\text{temperature}}}}\)
3 \({{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{ + N}}{{\text{H}}_{\text{3}}}{\text{(excess)}}\xrightarrow[{{\text{high}}\,\,{\text{temperature}}}]{{{\text{(ratio}}\,\,{\text{2N}}{{\text{H}}_{\text{3}}}{\text{:1}}{{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{)}}}}\)
4 None of these
CHXI11:THE P-BLOCK ELEMENTS

316083 Reactivity of borazole is greater than that of benzene because

1 Borazole is non-polar compound
2 Borazole is polar compound
3 Borazole is electron deficient compound
4 Of localized electrons in it
CHXI11:THE P-BLOCK ELEMENTS

316084 How many isomers are possible for disubstituted borazine, \({\mathrm{\mathrm{B}_{3} \mathrm{~N}_{3} \mathrm{H}_{4} \mathrm{X}_{2}}}\) ?

1 6
2 5
3 3
4 4
CHXI11:THE P-BLOCK ELEMENTS

316085 Which among the following is not a borane?

1 \({{\rm{B}}_{\rm{2}}}{{\rm{H}}_{\rm{6}}}\)
2 \({{\rm{B}}_{\rm{3}}}{{\rm{H}}_{\rm{6}}}\)
3 \({{\rm{B}}_{\rm{4}}}{{\rm{H}}_{{\rm{10}}}}\)
4 None of the above
CHXI11:THE P-BLOCK ELEMENTS

316086 By which of the following reactions is borazene prepared?

1 \({{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{ + N}}{{\text{H}}_{\text{3}}}{\text{(excess)}}\xrightarrow{{{\text{low}}\,\,{\text{temperature}}}}\)
2 \({{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{ + N}}{{\text{H}}_{\text{3}}}{\text{(excess)}}\xrightarrow{{{\text{high}}\,\,{\text{temperature}}}}\)
3 \({{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{ + N}}{{\text{H}}_{\text{3}}}{\text{(excess)}}\xrightarrow[{{\text{high}}\,\,{\text{temperature}}}]{{{\text{(ratio}}\,\,{\text{2N}}{{\text{H}}_{\text{3}}}{\text{:1}}{{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{)}}}}\)
4 None of these
CHXI11:THE P-BLOCK ELEMENTS

316083 Reactivity of borazole is greater than that of benzene because

1 Borazole is non-polar compound
2 Borazole is polar compound
3 Borazole is electron deficient compound
4 Of localized electrons in it
CHXI11:THE P-BLOCK ELEMENTS

316084 How many isomers are possible for disubstituted borazine, \({\mathrm{\mathrm{B}_{3} \mathrm{~N}_{3} \mathrm{H}_{4} \mathrm{X}_{2}}}\) ?

1 6
2 5
3 3
4 4
CHXI11:THE P-BLOCK ELEMENTS

316085 Which among the following is not a borane?

1 \({{\rm{B}}_{\rm{2}}}{{\rm{H}}_{\rm{6}}}\)
2 \({{\rm{B}}_{\rm{3}}}{{\rm{H}}_{\rm{6}}}\)
3 \({{\rm{B}}_{\rm{4}}}{{\rm{H}}_{{\rm{10}}}}\)
4 None of the above
CHXI11:THE P-BLOCK ELEMENTS

316086 By which of the following reactions is borazene prepared?

1 \({{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{ + N}}{{\text{H}}_{\text{3}}}{\text{(excess)}}\xrightarrow{{{\text{low}}\,\,{\text{temperature}}}}\)
2 \({{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{ + N}}{{\text{H}}_{\text{3}}}{\text{(excess)}}\xrightarrow{{{\text{high}}\,\,{\text{temperature}}}}\)
3 \({{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{ + N}}{{\text{H}}_{\text{3}}}{\text{(excess)}}\xrightarrow[{{\text{high}}\,\,{\text{temperature}}}]{{{\text{(ratio}}\,\,{\text{2N}}{{\text{H}}_{\text{3}}}{\text{:1}}{{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{)}}}}\)
4 None of these
CHXI11:THE P-BLOCK ELEMENTS

316083 Reactivity of borazole is greater than that of benzene because

1 Borazole is non-polar compound
2 Borazole is polar compound
3 Borazole is electron deficient compound
4 Of localized electrons in it
CHXI11:THE P-BLOCK ELEMENTS

316084 How many isomers are possible for disubstituted borazine, \({\mathrm{\mathrm{B}_{3} \mathrm{~N}_{3} \mathrm{H}_{4} \mathrm{X}_{2}}}\) ?

1 6
2 5
3 3
4 4
CHXI11:THE P-BLOCK ELEMENTS

316085 Which among the following is not a borane?

1 \({{\rm{B}}_{\rm{2}}}{{\rm{H}}_{\rm{6}}}\)
2 \({{\rm{B}}_{\rm{3}}}{{\rm{H}}_{\rm{6}}}\)
3 \({{\rm{B}}_{\rm{4}}}{{\rm{H}}_{{\rm{10}}}}\)
4 None of the above
CHXI11:THE P-BLOCK ELEMENTS

316086 By which of the following reactions is borazene prepared?

1 \({{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{ + N}}{{\text{H}}_{\text{3}}}{\text{(excess)}}\xrightarrow{{{\text{low}}\,\,{\text{temperature}}}}\)
2 \({{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{ + N}}{{\text{H}}_{\text{3}}}{\text{(excess)}}\xrightarrow{{{\text{high}}\,\,{\text{temperature}}}}\)
3 \({{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{ + N}}{{\text{H}}_{\text{3}}}{\text{(excess)}}\xrightarrow[{{\text{high}}\,\,{\text{temperature}}}]{{{\text{(ratio}}\,\,{\text{2N}}{{\text{H}}_{\text{3}}}{\text{:1}}{{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{)}}}}\)
4 None of these