EASY
Earn 100

The shape of H2O2 is dissimilar to:

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Important Questions on Hydrogen

EASY
The chemical nature of hydrogen peroxide is:
MEDIUM
The volume strength of 1MH2O2 is:

(Molar mass of H2O2=34gmol-1 )
EASY
Hydrogen peroxide, in the pure state, is :
MEDIUM
5.0 mL of X¯ volume hydrogen peroxide solution on decomposition produces 100 mL of oxygen at STP. The value of X¯ is
MEDIUM
Hydrogen peroxide oxidises FeCN64-to FeCN63- in acidic medium, but reduces FeCN63-toFeCN64- in alkaline medium. The other products formed are, respectively
EASY
Hydrogen peroxide is stored away from light because it can get decomposed when exposed to light as
HARD
Among statements a-d, the correct ones are:
a Decomposition of hydrogen peroxide gives di-oxygen.
b Like hydrogen peroxide, compounds, such as KClO3,PbNO3 and NaNO3 When heated liberate di-oxygen.
c 2-Ethylanthraquinone is useful for the industrial preparation of hydrogen peroxide.
d Hydrogen peroxide is used for the manufacture of sodium perborate.
MEDIUM
Hydrogen peroxide in its reaction with KIO4 and NH2OH respectively, is acting as a
MEDIUM
When 2.0 mL of 15.18%(w/v)H2O2 solution is decomposed the volume of oxygen liberated at STP is
MEDIUM
When H2O2 is added to an acidified K2Cr2O7 solution
EASY
What is the product of the reaction of H2O2 with Cl2 ?
EASY

Consider the following equations :
2Fe2++H2O2xA+yB

(in basic medium)

2MnO4-+6H++5H2O2x'C+y'D+z'E

(in acidic medium)

The sum of the stoichiometric coefficients x,y,x',y' and z' for products A,B,C,D and E respectively, is _______

MEDIUM

The following reactions show the H2O2 behaviour in I and II reactions as:
 I. PbSs+4H2O2aqPbSO4s+4H2Ol

IIHOCl+H2O2H3O++Cl-+O2

HARD

(A) HOCl+H2O2H3O++Cl-+O2

(B) I2+H2O2+2OH-2I-+2H2O+O2

Choose the correct option.

EASY
Decomposition of hydrogen peroxide can be prevented by adding
MEDIUM
The reaction of aqueous KMnO4 with H2O2 in acidic conditions gives:
EASY
In which of the following reactions, hydrogen peroxide acts as an oxidizing agent?
EASY
From the following statements, choose the incorrect statement regarding H2O2.