Chemistry - Sulphuric Acid

Sulphuric acid points to learn 💯

Basicity of Sulphuric Acid?

2 (Two)

Standard preparation formula of Sulphuric acid?

S + 6HNO3 > SO2 + 2H2O + 6NO2

Steps of Contact Process

1> Produce SO2
2> Oxidation of SO2 to SO3
3> Absorption of SO3

Conditions for SO2 to SO3 oxidation?

1. Low temperature (450 C)

2. Pressure 200atm

3. Vanadium pentoxide preferred over Platinum

Why is V2O5 preferred?

1. Cost effective

2. Less chance of arsenic poisoning

3. Higher catalytic efficiency

What is H2S2O7 called?

Oleum.

Physical properties of H2SO4

1. Colorless

2. Odorless

3. Heavier than water.

Acidic properties of H2SO4

1. Oxidising agent

2. dehydrating agent

3. non-volatile

How to dilute conc. H2SO4

add conc. H2SO4 slowly to water, with constant stirring.