Ortho and para hydrogen have
identical chemical properties but different physical properties
identical physical properties and chemical properties
identical physical properties but different chemical properties
different physical and chemical properties
The half life of tritium is
~ 13.2 years
~ 12. 3 years
~ 14. 3 years
~ 10 years
Which one of the following is non reducing?
H2S
H2Te
H2Se
H20
Which of the following is incorrect?
H2O2 is a weak acid
H2O2 is a weak alkali
H2O2 acts as an oxidising agent
H2O2 is a reducing agent
Deuterium reacts with oxygen gives
D2O
D3O
D2
D4O
Para and ortho hydrogen differ in
atomic number
atomic mass
spins of protons
number of neutrons
At room temperature ordinary hydrogen consists of about.
25% para and 75% ortho
75% para and 25% ortho
99% para and 1% ortho
1% para and 99% ortho