Sulphur and Its Compounds
CHXI11:THE P-BLOCK ELEMENTS

316982 Statement A :
Sulphur shows paramagnetism.
Statement B :
In vapour state sulphur partly exists as \(\mathrm{S}_{2}\) molecule which has two unpaired electrons in the antibonding \(\pi^{*}\) - orbital.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXI11:THE P-BLOCK ELEMENTS

316983 When molten sulphur is quenched, the following is formed.

1 Monoclinic sulphur
2 Rhombic sulphur
3 Crystex (plastic) sulphur
4 \(\gamma\)-sulphur
CHXI11:THE P-BLOCK ELEMENTS

317064 Which of the following oxacids of sulphur contains a sulphur-sulphur single bond?

1 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{6}\)
2 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{7}\)
3 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{8}\)
4 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316984 Which is the most stable allotrope of sulphur?

1 Octahedral sulphur
2 Monoclinic sulphur
3 Plastic sulphur
4 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316982 Statement A :
Sulphur shows paramagnetism.
Statement B :
In vapour state sulphur partly exists as \(\mathrm{S}_{2}\) molecule which has two unpaired electrons in the antibonding \(\pi^{*}\) - orbital.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXI11:THE P-BLOCK ELEMENTS

316983 When molten sulphur is quenched, the following is formed.

1 Monoclinic sulphur
2 Rhombic sulphur
3 Crystex (plastic) sulphur
4 \(\gamma\)-sulphur
CHXI11:THE P-BLOCK ELEMENTS

317064 Which of the following oxacids of sulphur contains a sulphur-sulphur single bond?

1 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{6}\)
2 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{7}\)
3 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{8}\)
4 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316984 Which is the most stable allotrope of sulphur?

1 Octahedral sulphur
2 Monoclinic sulphur
3 Plastic sulphur
4 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316982 Statement A :
Sulphur shows paramagnetism.
Statement B :
In vapour state sulphur partly exists as \(\mathrm{S}_{2}\) molecule which has two unpaired electrons in the antibonding \(\pi^{*}\) - orbital.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXI11:THE P-BLOCK ELEMENTS

316983 When molten sulphur is quenched, the following is formed.

1 Monoclinic sulphur
2 Rhombic sulphur
3 Crystex (plastic) sulphur
4 \(\gamma\)-sulphur
CHXI11:THE P-BLOCK ELEMENTS

317064 Which of the following oxacids of sulphur contains a sulphur-sulphur single bond?

1 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{6}\)
2 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{7}\)
3 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{8}\)
4 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316984 Which is the most stable allotrope of sulphur?

1 Octahedral sulphur
2 Monoclinic sulphur
3 Plastic sulphur
4 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316982 Statement A :
Sulphur shows paramagnetism.
Statement B :
In vapour state sulphur partly exists as \(\mathrm{S}_{2}\) molecule which has two unpaired electrons in the antibonding \(\pi^{*}\) - orbital.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXI11:THE P-BLOCK ELEMENTS

316983 When molten sulphur is quenched, the following is formed.

1 Monoclinic sulphur
2 Rhombic sulphur
3 Crystex (plastic) sulphur
4 \(\gamma\)-sulphur
CHXI11:THE P-BLOCK ELEMENTS

317064 Which of the following oxacids of sulphur contains a sulphur-sulphur single bond?

1 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{6}\)
2 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{7}\)
3 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{8}\)
4 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316984 Which is the most stable allotrope of sulphur?

1 Octahedral sulphur
2 Monoclinic sulphur
3 Plastic sulphur
4 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{3}\)