Intermediate First Year Chemistry>Chapter 5 - Stoichiometry>QUESTIONS>Q 39

EASY

11th Telangana Board

IMPORTANT

Earn 100

Chlorine is prepared in the laboratory by treating manganese dioxide ( ${MnO}_{2}$ ) with aqueous hydrochloric acid according to the reaction.

$4 {HCl}_{(aq)} + {MnO}_{2 (s)} \to 2 H_{2} O_{(l)} + {MnCl}_{2 (aq)} + {Cl}_{2} (g)$

How many grams of $HCl$ react with $5.0 g$ of manganese dioxide?

Important Questions on Stoichiometry

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 5 - Stoichiometry>QUESTIONS>Q 40

To

50 ml

of

0.1 N {Na}_{2} {CO}_{3}

solution

150 ml

of

H_{2} O

is added. Then calculate a normality of resultant solution.

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 5 - Stoichiometry>QUESTIONS>Q 41

Calculate the volume of $0.1 N H_{2} {SO}_{4}$ required to neutralize $200 ml$ of $0.2 N NaOH$ solution.

It is an acid base neutralisation reaction.Hence, at the neutralisation point.

Number of equivalents of acid $=$ Number of equivalents of base.

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 5 - Stoichiometry>QUESTIONS>Q 42

Calculate normality of

H_{2} {SO}_{4}

solutions if

50 ml

of it completely neutralises

250 ml

of

0.1 N Ba (OH)_{2}

solutions.

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 5 - Stoichiometry>QUESTIONS>Q 43

Calculate the volume of

0.1 M {KMnO}_{4}

required to react with

100 ml

of

0.1 M H_{2} C_{2} O_{4} . 2 H_{2} O

solution in presence of

H_{2} {SO}_{4}

.

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 5 - Stoichiometry>QUESTIONS>Q 44

Assign oxidation number to the underlined element in the following species,

{N a H}_{2} {\underline{P} O}_{4}

.

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 5 - Stoichiometry>QUESTIONS>Q 44

Assign oxidation number to the underlined element in the following species:

$NaH S O_{4}$ .

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 5 - Stoichiometry>QUESTIONS>Q 44

Assign oxidation number to the underlined element in the following species:

$H_{4} P_{2} O_{7}$

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 5 - Stoichiometry>QUESTIONS>Q 44

Assign oxidation number to the underlined elements in each of the following species:

$K_{2} Mn O_{4}$ .