Advertisements
Advertisements
Question
Give the empirical formula of Acetylene C2H2
Advertisements
Solution
The empirical formula for Acetylene is CH.
APPEARS IN
RELATED QUESTIONS
The radius of an oxygen atom is 0.073 nm. What does the symbol ‘nm’ represent ?
What is the difference between 2H and H2 ?
Write down the formulae for the following compounds :
Calcium oxide
Give the formulae of the compounds formed from the following sets of elements :
- calcium and fluorine
- hydrogen and sulphur
- nitrogen and hydrogen
- carbon and chlorine
- sodium and oxygen
- carbon and oxygen
An element A forms an oxide A2O5.
What will be the formula of chloride of A ?
Correct the following statement:
A molecular formula represents an element.
Write the formula of the following compound:
Potassium dichromate
Write the formula of the following compound:
Magnesium nitrate
Write the formula of the following compound:
Magnesium bicarbonate
Write the formula of the following compound:
Magnesium oxide
Write the formula of the following compound:
Zinc chloride
Write the formula of the following compound:
Aluminium oxide
Write the formula of the following compound:
Iron [III] sulphate
Write the formula of the following compound:
Iron [III] sulphide
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaZnO2
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
Ca2(PO4)3
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
KNO3
Play a game for writing formula.
Example 1: Make placards with symbols and valencies of the elements separately. Each student should hold two placards, one with the symbol in the right hand and the other with the valency in the left hand. Keeping the symbols in place, students should criss-cross their valencies to form the formula of a compound.
