In FeII-MnO4- titration, HNO3, is not used because :

1. it oxidises Mn2+

2. it reduces MnO4-

3. it oxidises Fe2+

4. it reduces Fe3+ formed

Subtopic:  Oxidizing & Reducing Agents | Balancing of Equations |
 55%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which species are oxidized and reduced in the reaction ?

FeC2O4+KMnO4Fe3++CO2+Mn2+

1. Oxidised : Fe,C ; Reduced : Mn

2. Oxidised : Fe; Reduced : Mn

3. Reduced : Fe,Mn ; Oxidised : C

4. Reduced : C; Oxidised : Mn,Fe

 

Subtopic:  Oxidizing & Reducing Agents |
 66%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Reaction that shows H2O2 as a reducing agent is -

1. SO2+H2O2H2SO4

2. 2KI+H2O22KOH+I2

3. PbS+4H2O2PbSO4+4H2O

4. Ag2O+H2O22Ag+H2O+O2

Subtopic:  Oxidizing & Reducing Agents |
 71%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Following reaction describes the rusting of iron 

4Fe+3O24Fe3++6O2-

Which one of the following statement is incorrect ?

1. This is an example of a redox reaction

2. Metallic iron is reduced to Fe3+

3. Fe3+ is an oxidising agent

4. Metallic iron is a reducing agent

Subtopic:  Oxidizing & Reducing Agents |
 70%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The reaction that does not represent auto redox or disproportionation is: 

1. Cl2+OH-Cl-+ClO3-+H2O

2. 2H2O2H2O+O2

3. 2Cu+Cu2++Cu

4. NH42Cr2O7N2+Cr2O3+4H2O

Subtopic:  Introduction to Redox and Oxidation Number |
 75%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following is redox reaction ?

1. H2SO4 with NaOH

2. Formation of O3 in the atmosphere.

3. Evaporation of H2O

4. Oxides of nitrogen form nitrogen & oxygen from lightning

Subtopic:  Balancing of Equations |
 65%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following is a redox reaction ?

1. 2NaAgCN2+ZnNa2ZnCN4+2Ag

2. BaO2+H2SO4BaSO4+H2O2

3. N2O5+H2O2HNO3

4. AgNO3+KIAgI+KNO3

Subtopic:  Balancing of Equations |
 66%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

For the redox reaction, MnO4-+C2O42-+H+Mn2++CO2+H2O the correct coefficients of the reactants for the balanced reaction are respectively MnO4-,C2O4-,H+;

1. 2,5,16

2. 16,3,12

3. 15,16,12

4. 2,16,5

Subtopic:  Balancing of Equations |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The sum of the coefficients of the reactants for the given reaction is -

....CS2+.....Cl2CCl4+....S2Cl2

1. 5

2. 3

3. 6

4. 4

Subtopic:  Balancing of Equations |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Balance the following equation and choose the quantity that is the sum of the coefficients of reactants and products :

...PtCl4+...XeF2PtF6+....ClF+...Xe

1. 16

2. 13

3. 18

4. 12

Subtopic:  Balancing of Equations |
 69%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh