The geometry of H2S and its dipole moment are
Angular and non-zero
Angular and zero
Linear and zero
Linear and non-zero
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
Which metal sticks to a glass plate after treatment with ozone
Silver
Mercury
Copper
Lead
The reaction in the Kipp's apparatus stops when the outlet is closed from the top because
The acid become weak
Gas pressure breaks the contact between FeS and the acid
Gas starts coming out
Protective film is formed on FeS
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
Platinised asbestos used as a catalyst in the manufacture of H2SO4 is an example of
Heterogenous catalysis
Autocatalysis
Homogeneous catalysis
Induced catalysis
Which of the following isotopes is present in largest amount?
O16
O17
O18
All in equal amounts
Number of hydroxyl groups present in pyrosulphuric acid is
3
4
6
2
When a lead storage battery is discharged
SO2 is evolved
Lead sulphate is consumed
Lead is formed
H2SO4 is consumed
Oxygen is prepared commercially from
Sodium and water
Electrolysis of water
KCIO3
HNO3
