EASY
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When we find n factor of H2O2, why did we do it with respect to oxygen?

Important Questions on Elements of Group 1 and Group 2

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Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block
The products obtained from a reaction of hydrogen peroxide and acidified potassium permanganate are
MEDIUM
Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block

Given below are two statements:

Statement I : H2O2 can act as both oxidising and reducing agent in basic medium.

Statement II : In the hydrogen economy, the energy is transmitted in the form of dihydrogen. In the light of the above statements, choose the correct answer from the options given below:

MEDIUM
Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block
The reaction of H2O2 with potassium permanganate in acidic medium leads to the formation of mainly
MEDIUM
Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block
When H2O2 is added to an acidified K2Cr2O7 solution
MEDIUM
Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block
When 2.0 mL of 15.18%(w/v)H2O2 solution is decomposed the volume of oxygen liberated at STP is
MEDIUM
Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block

Given below are two statements:

Statement I : Hydrogen peroxide can act as an oxidizing agent in both acidic and basic conditions.

Statement II: Density of hydrogen peroxide at 298 K is lower than that of D2O.

In the light of the above statements. Choose the correct answer from the options.

MEDIUM
Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block
Which one of the following reactions indicates the reducing ability of hydrogen peroxide in basic medium?
EASY
Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block
The chemical nature of hydrogen peroxide is:
MEDIUM
Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block

The following reactions show the H2O2 behaviour in I and II reactions as:
 I. PbSs+4H2O2aq⟶PbSO4s+4H2Ol

II. HOCl+H2O2⟶H3O++Cl-+O2

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Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block
H2O2 is
EASY
Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block
In which of the following reactions, hydrogen peroxide acts as an oxidizing agent?
MEDIUM
Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block
Hydrogen peroxide in its reaction with KIO4 and NH2OH respectively, is acting as a
EASY
Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block
H2O2 acts as a reducing agent in
MEDIUM
Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block
On reaction with stronger oxidizing agent like KIO4, hydrogen peroxide oxidizes with the evolution of O2. The oxidation number of I in KIO4 changes to
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Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block
Which of the following can reduce decomposition of H2O2 on exposure to light
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Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block
A hydrated solid X on heating initially gives a monohydrated compound Y. Y upon heating above 373 K leads to an anhydrous white powder Z. X and Z, respectively, are;
MEDIUM
Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block
Hydrogen peroxide oxidises FeCN64-to FeCN63- in acidic medium, but reduces FeCN63-toFeCN64- in alkaline medium. The other products formed are, respectively
HARD
Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block

(A) HOCl+H2O2→H3O++Cl-+O2

(B) I2+H2O2+2OH-→2I-+2H2O+O2

Choose the correct option.

EASY
Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block

Consider the following equations :
2Fe2++H2O2→xA+yB

(in basic medium)

2MnO4-+6H++5H2O2→x'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 _______

HARD
Chemistry>Inorganic Chemistry>Elements of Group 1 and Group 2>Some Important Compounds of Elements of S-block
Fe3+ is reduced to Fe2+ by using