The number of moles of KMnO4 reduced by one mole of KI in an alkaline medium is:

1. One fifth

2. five

3. One

4. Two

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

In the equation

H2S+2HNO32H2O+2NO2+S

The equivalent weight of hydrogen sulphide is [BVP 2003]

(1) 16

(2) 68

(3) 34

(4) 17

Subtopic:  Equivalent Weight |
 64%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

If 1.2 g of metal displace 1.12 litre hydrogen at normal temperature and pressure, equivalent weight of metal would be 

(1) 24

(2) 12

(3) 1.2 ÷ 11.2

(4) 1.2 × 11.2

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

The equivalent weight of phosphoric acid (H3PO4) in the reaction NaOH+H3PO4NaH2PO4+H2O is

(1) 25

(2) 49

(3) 59

(4) 98

Subtopic:  Equivalent Weight |
 64%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

What is the equivalent mass of IO4 when it is converted into I2 in acid medium

(1) M/6

(2) M/7

(3) M/5

(4) M/4

Subtopic:  Equivalent Weight |
 81%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

In an alkaline medium ClO2 oxidize H2O2 in O2 and reduces itself in Cl . How many moles of H2O2 will be oxidized by one mole of ClO2?

1. 1.0 2. 1.5
3. 2.5 4. 3.5
Subtopic:  Balancing of Equations |
 59%
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 oxygen in potassium super oxide (KO2) is-

1. – 2

2. – 1

3. – 1/2

4. – 1/4

Subtopic:  Oxidizing & Reducing Agents |
 83%
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 oxidation state of Cu in  YBa2Cu3O7  is -

(Yttrium = +3)

1. 3/7 2. 7/3
3. 3 4. 7
Subtopic:  Balancing of Equations |
 82%
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

In a balanced equation H2SO4+xHIH2S+yI2+zH2O, the values of x, y, z are -

(1) x = 3, y = 5, z = 2

(2) x = 4, y = 8, z = 5

(3) x = 8, y = 4, z = 4

(4) x = 5, y = 3, z = 4

Subtopic:  Balancing of Equations |
 81%
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

When MnO2 is fused with KOH, a coloured compound is formed, the product and its colour is [IIT Screening 2003]

(1) K2MnO4, purple green

(2) KMnO4, purple

(3) Mn2O3, brown

(4) Mn3O4 black

Subtopic:  Redox Titration & Type of Redox |
 54%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints