Ortho and para hydrogens differ in the
number of protons
molecular weight
nature of spins of protons
nature of spins of electrons
A mixture of hydrazine (N2H4) and 58 - 60% solution of H2O2 is used as
antiseptic
fertilizer
rocket fuel
None of the above
‘Syngas’ is a mixture of hydrogen with
Oxygen
Nitrogen
Carbon dioxide
Carbon monoxide
The hydride ion is iso-electronic with
He+
He-
Be
He
Which of the following statements is not correct?
H2O2 oxidizes Fe(II) to Fe(III)
H2O2 can be obtained by electrolysis of dilute H2SO4
H2O2 reduces Mn (VII) to Mn(II)
H2O2 is a weak base
Which of the following compounds acts as a bleaching agent?
MgCO3
NaOH
H2O2
D2O
The molarity of a 100 mL solution containing 5.1 g of hydrogen peroxide is
0.15 M
1.5 M
3.0 M
50.0 M
In aqueous solution, hydrogen peroxide oxidizes H2S to
Sulphur
Sulphuric acid
Caro's acid
Marshall's acid
The O — O — H bond angle in H2O2 is
106º
109º 28'
120º
97º