Ozone reacts with
C2H4
C2H2
C6H6
All
Number of hydroxyl groups present in pyrosulphuric acid is
3
4
6
2
Large deposits of sulphur in nature are found in the form of
Flowers sulphur
H2SO4
H2SO3
Free sulphur
Which of the following isotopes is present in largest amount?
O16
O17
O18
All in equal amounts
The geometry of H2S and its dipole moment are
Angular and non-zero
Angular and zero
Linear and zero
Linear and non-zero
In Kipp's apparatus, H2S is prepared
Continuously
By FeS + Conc. H2SO4
By FeS + dil. H2SO4
By Fe + dil. H2SO4
Which hydride is most acidic?
H2O
H2S
H2Te
H2Se
Platinised asbestos used as a catalyst in the manufacture of H2SO4 is an example of
Heterogenous catalysis
Autocatalysis
Homogeneous catalysis
Induced catalysis
Which one has the highest bond energy?
O-O
S-S
Se-Se
Te-Te
When H2S is passed through HNO3 solution, the product formed is
Milk of S
Colloidal S
Υ-S
β-S
