The oxidation state of alkali metals is
+2
0
+1
+4
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
________ can be produced by reacting CO with steam in the presence of fix CO2 and H2.
H2O2
D2O
D3O
Hydrogen
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
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
_______ is used as a propellant in nucleus.
ND3
CH2 = CH2
In the extraction of lithium _________ is used as anode.
Ni
P+
Fe
gas - coke splinter
The half life of tritium is
~ 13.2 years
~ 12. 3 years
~ 14. 3 years
~ 10 years
Alkali metals have low melting and boiling point due to the _______ in the crystal lattice.
Strong bonding
Weak bonding
High atomic weight
