The O — O — H bond angle in H2O2 is
106º
109º 28'
120º
97º
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
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
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
Which of the following compounds acts as a bleaching agent?
MgCO3
NaOH
H2O2
D2O
Nascent hydrogen is prepared by
Na and C2H5OH
Al and NaOH
Zn and dil H2SO4
All of these
Hydrogen can't be produced by the action of dil H2SO4 on
Cu
Zn
Fe
Al
