In the following reaction

Al + Fe3O4 Al2O3 + Fe

The total number of electrons transferred will be-

1. 6

2. 8

3. 8/3

4. 24

Subtopic:  Application of Electrode Potential |
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

A metallic oxide contains 40% oxygen then equivalent weight of metal is 

1. 48

2. 36

3. 24

4. 12

Subtopic:  Equivalent Weight |
 58%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

3Cl2 + 6NaOH 5NaCl + NaClO3 + 3H2O, the equivalent weight of NaOH will be

1. 40

2. 48

3. 60

4. 80

Subtopic:  Equivalent Weight |
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

In the conversion, H2SO4 → H2S2O8 which process occurs?

1. Oxidation

2. Reduction

3. Oxidation as well as reduction

4. Neither oxidation nor reduction

Subtopic:  Oxidizing & Reducing Agents |
 50%
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

Oxidation number of carbon in CH2Cl2 is 

1. -4

2. +4

3. -2

4. zero

Subtopic:  Oxidizing & Reducing Agents |
 82%
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

Equivalent weight of a metal oxide is 20, the equivalent weight of sulphate of same metal will be 

(1) 60

(2) 69

(3) 108

(4) 54

Subtopic:  Equivalent Weight |
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

15 gm Ba(MnO4)2 sample containing inert impurity is completely reacting with 100 ml of '11.2 V' H2O2, then what will be the % purity of Ba (MnO4)2 in the sample ? (Atomic mass Ba = 137, Mn = 55)

(1) 5%

(2) 10%

(3) 50%

(4) none

Subtopic:  Redox Titration & Type of Redox |
 50%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The equivalent mass of H3BO3 (M = Molar mass of H3BO3) in its reaction with NaOH to from Na2B4O7 is equal to –

(1) M

(2) M2

(3) M4

(4) M6

Subtopic:  Equivalent Weight |
 63%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The number of moles of ferrous oxalate oxidised by one mole of KMnO4 is

(1) 52

(2) 25

(3) 35

(4) 53

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

In the reaction Na2S2O3 + 4Cl2 + 5H2O → Na2SO4 + H2SO4 + 8HCI the equivalent weight of Na2S2O3 will be

1. M/4

2. M/8

3. M/1

4. M/2

(M= molecular weight of Na2S2O3)

Subtopic:  Equivalent Weight |
 55%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints