All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 04>Q 1

HARD

10th ICSE

IMPORTANT

Earn 100

In ammonia $({N H}_{3})$ there are three hydrogen atoms and one nitrogen atom but still the percentage composition of nitrogen is higher. Discuss.

Important Questions on Mole Concept and Stoichiometry

MEDIUM

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 04>Q 2

Write the empirical formula for the following molecular formula:

C_{6} H_{12} O_{6}

MEDIUM

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 04>Q 2

Write the empirical formula for the following molecular formula:

$C_{4} H_{10}$ .

MEDIUM

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 04>Q 2

Write the empirical formula for the following molecular formula

$N_{2} H_{4}$ .

MEDIUM

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 04>Q 2

Write the empirical formula for the following molecular formula:

$C_{6} H_{6}$ .

MEDIUM

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 04>Q 3

Write any two examples of compounds which have same molecular and empirical formula.

MEDIUM

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 04>Q 4

When empirical formula of a compound is

C_{2} H_{4} O

and its molecular weight is

88

, then find out its molecular formula.

HARD

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 04>Q 5

An organic compound contains oxygen,

26.24 %

and hydrogen,

4.92 %

. Find its empirical formula.

EASY

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 05>Q 1

Define stoichiometry.