The O — O — H bond angle in H2O2 is
106º
109º 28'
120º
97º
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
Heavy water (D2O) freezes at
0ºC
3.8ºC
- 3.8ºC
38ºC
Which of the following compounds acts as a bleaching agent?
MgCO3
NaOH
H2O2
D2O
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 methods leads to the production of the highest purity of dihydrogen?
Electrolysis of barium hydroxide solution
Reaction of steam on hydrocarbons
Electrolysis of brine solution
Process of coal gasification
The hydride ion is iso-electronic with
He+
He-
Be
He
In aqueous solution, hydrogen peroxide oxidizes H2S to
Sulphur
Sulphuric acid
Caro's acid
Marshall's acid
