Q.1
The normality of 2.3 M H2SO4 solution is [ KCET 2000]
  • a) 2.3 N
  • b) 4.6 N
  • c) 0.46 N
  • d) 0.23 N
Q.2
Which of the following ions does not have S-S linkage? [ Roorkee Screening test 2000]
  • a) S2O82-
  • b) S2O62-
  • c) S2O52-
  • d) S2O32-
Q.3
Aqueous solutions of hydrogen sulphide and sulphur dioxide when mixed together, yield [ KCET 2002]
  • a) Sulphur and water
  • b) Hydrogen peroxide and sulphur
  • c) Sulphur trioxide and water
  • d) Hydrogen and sulphurous acid
Q.4
Which of the following does not exhibit sp3 hybridization? [ Manipal PMT 2001]
  • a) SO2
  • b) CH4
  • c) NH3
  • d) SO42-
Q.5
State of hybridization of P in PF5 and S in SF6 are respectively? [ Haryana CEET 2001]
  • a) sp3d2, sp3d
  • b) sp3d , sp3d2
  • c) sp3, sp3d
  • d) sp2, sp3
Q.6
In the preparation of H2SO4 by contact process V2O5 is used as catalyst in the reaction. It is [ SCRA 2001]
  • a) S + O → SO2
  • b) SO3 + H2SO4 → H2SO4
  • c) SO3 + H2O → H2SO4
  • d) 2SO2 + O2 → 2SO3
Q.7
Copper turing when heated with conce. H2SO4 gives ... [ BHU 1999]
  • a) O2
  • b) SO2
  • c) SO3
  • d) H2S
Q.8
The shape of SF3Cl3 is .. [ kerala CEE 2000]
  • a) Trigonal bipyramidal
  • b) Octahedral
  • c) Cubic
  • d) Square planar
Q.9
HCOOH reacts with concentrated H2SO4 to produce ... [ Manipal PMT 2001]
  • a) CO
  • b) CO2
  • c) NO
  • d) NO2
Q.10
Which of the following hydrides shows the highest boiling point? [ MP PET 2002]
  • a) H2O
  • b) H2S
  • c) H2Se
  • d) H2Te
Q.11
Which of the following has pπ - dπ bonding? [ CBSE PMT 2002]
  • a) NO3-
  • b) SO32-
  • c) BO33-
  • d) CO32-
Q.12
There is S-S bond in [ JIPMER 2001]
  • a) H2S2O7
  • b) H2S2O8
  • c) H2S2O6
  • d) H2S2O3
Q.13
Which of the following isoelectronic ions has the lowest ionization energy? [ Haryana CEEET 2001]
  • a) K+
  • b) Ca2+
  • c) Cl-
  • d) S2-
Q.14
A group 16 element exists in monoatomic state in the metallic lattice. It also exists in two crystalline forms. the metal is ... [ Pb. PMT 1999]
  • a) Po
  • b) S
  • c) Se
  • d) Te
Q.15
The oxidation states of sulphur in the anions SO32-, S2O42- , S2O62- follow order ... [ CBSE PMT 2003]
  • a) S2O42- < SO32- < S2O62-
  • b) SO32- < S2O42-
  • c) S2O42- < S2O62- < SO32-
  • d) S2O62- < S2O42- < SO32-
Q.16
Oleum is chemically known as ... [ MPPMT 2002]
  • a) H2SO3
  • b) H2SO5
  • c) H2S2O7
  • d) H2S2O8
Q.17
Which of the following is not linear? [ Manipal PMT 2001]
  • a) BeCl2
  • b) SO2
  • c) CO2
  • d) CH ΞCH
Q.18
Which is the best oxidising agent among the following? [ EAMCET 1999]
  • a) S
  • b) O
  • c) Se
  • d) Te
Q.19
S-S bond is present in [ Chd. CET 2002]
  • a) S2O72-
  • b) S3O9
  • c) S2O32-
  • d) S2O82-
Q.20
The oxidation state of oxygen is zero in ... [MP PMT 2001]
  • a) CO
  • b) O3
  • c) SO2
  • d) H2O2
Q.21
The number of S-S bonds in sulphur trioxide trimer (S3O9) is ... [IIT screening test 2001]
  • a) Three
  • b) Two
  • c) One
  • d) Zero
Q.22
Which of the following is formed by the action of water on sodium peroxide?
  • a) H2
  • b) N2
  • c) O2
  • d) CO2
Q.23
By which of the following SO2 is formed ... [ BHU 1999]
  • a) Reaction of dil H2SO4 with O2
  • b) Hydrolysis of dil H2SO4
  • c)Reaction of conc H2SO4
  • d) None
Q.24
Which of the following is not reducing agent? [ DEC 2000]
  • a) SO2
  • b) H2O2
  • c) CO2
  • d) NO2
Q.25
Which of the following causes damage to the building containing calcium and responsible for cough and choking in human .. [ Manipal PMT 2001]
  • a) Sulphur
  • b) Carbon
  • c) Nitrogen dioxide
  • d) Sulphur dioxide
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