5mL of NHCl, 20 mL of N/2 H2SO4 and 30mL of N/3 HNO3 are mixed together and volume made one litre. The normality of the resulting solution is:

(1) N/5

(2) N/10

(3) N/20

(4) N/40

Concept Questions :-

Equivalent Weight & Normality
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:

When a metal is burnt, its mass is increased by 24 percent. The equivalent mass of the metal will be:

(1) 25

(2) 24

(3) 33.3

(4) 76

Concept Questions :-

Equivalent Weight & Normality
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:

1g of pure calcium carbonate was found to require 50 mL of dilute HCl for complete reactions. The strength of the HCl solution is given by:

(1) 4N

(2) 2N

(3) 0.4N

(4) 0.2N

Concept Questions :-

Equivalent Weight & Normality
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:

The equivalent mass of H3PO4 in the following reaction is,

H3PO+ Ca(OH)2 $\to$CaHPO4 + 2H2O

(1) 98

(2) 49

(3) 32.66

(4) 40

Concept Questions :-

Equivalent Weight & Normality
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:

1.520g of the hydroxide of a metal on ignition gave 0.995 g of oxide. The equivalent mass of metal is:

1. 1.520

2. 0.995

3. 19.00

4. 9.00

Concept Questions :-

Equivalent Weight & Normality
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:

One g of a mixture of Na2CO3 and NaHCO3 consumes y equivalent of HCl for complete neutralisation. One g of the mixture is strongly heated, then cooled and the residue treated with HCl. How many equivalent of HCl would be required for complete neutralisation?

(1) 2y equivalent

(2) y equivalent

(3)  3y/4 equivalent

(4) 3y/2 equivalent

Concept Questions :-

Equivalent Weight & Normality
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:

The chloride of a metal contains 71% chlorine by mass and the vapour density of it is 50. The atomic mass of the metal will be:

(1) 29

(2) 58

(3) 35.5

(4) 71

Concept Questions :-

Equivalent Weight & Normality
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:

The equivalent mass of Zn(OH)2 in the following reaction is equal to its,

Zn(OH)2 + HNO3 $\to$Zn(OH)(NO3) + H2O :

(1) Formula mass/1

(2) Formula mass/2

(3) 2 x formula mass

(4) 3 x formula mass

Concept Questions :-

Equivalent Weight & Normality
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:

What will be the normality of a solution obtained by mixing 0.45 N and 0.60 N NaOH in the ratio 2:1 by volume?

(1) 0.4 N

(2) 0.5 N

(3) 1.05 N

(4) 0.15 N

Concept Questions :-

Equivalent Weight & Normality
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:

0.7 g of Na2CO3.xH2O were dissolved in water and the volume was made to 100mL, 20mL of this solution required 19.8 mL of N/10 HCl for complete neutralization. The value of x is:

(1) 7

(2) 3

(3) 2

(4) 5

Concept Questions :-

Equivalent Weight & Normality