Which hydride is most acidic?
H2O
H2S
H2Te
H2Se
H2SO4 has very corrosive action on skin because
It reacts with proteins
It acts as dehydrating agent and absorption of water is highly exothermic
It acts as oxidizing agent
It has bleaching action
When H2S is passed through HNO3 solution, the product formed is
Milk of S
Colloidal S
Υ-S
β-S
Ozone reacts with
C2H4
C2H2
C6H6
All
Large deposits of sulphur in nature are found in the form of
Flowers sulphur
H2SO4
H2SO3
Free sulphur
In which reaction there is no change in the oxidation states?
SO2 + H2S → 2H2O + 3S
2Na + O → Na2O
Na2O2 + H2SO4 → Na2SO4 + H2O
4KCIO3 →3KCIO4 + KCI
The geometry of H2S and its dipole moment are
Angular and non-zero
Angular and zero
Linear and zero
Linear and non-zero
Platinised asbestos used as a catalyst in the manufacture of H2SO4 is an example of
Heterogenous catalysis
Autocatalysis
Homogeneous catalysis
Induced catalysis
Bond angle in O3 molecule is
108o29'
108o28'
116o90'
120o
Oxalic acid when heated with conc. H2SO4 gives
CO, CO2 and H2O
CO2 and H2S
Oxalic sulphate
