Advertisements
Advertisements
प्रश्न
Write the formula of the following compound:
Iron [II] hydroxide
Advertisements
उत्तर
Iron [II] hydroxide - Fe[OH]2 - `"Fe"^(2+)"OH"^(1-)`
APPEARS IN
संबंधित प्रश्न
An element X of valency 3 combines with another element Y of valency 2. What will be the formula of the compound formed ?
Define ‘formula unit’ of an ionic compound. What is the formula unit of (i) sodium chloride, and
(ii) magnesium chloride ?
The formula of carbonate of a metal M is M2CO3.
What will be the formula of its nitride ?
Write chemical formula of the sulphate of Aluminium, Ammonium and Zinc.
Give the empirical formula of Acetylene C2H2
Identify the following substance:
Gas B that has an offensive smell as of rotten eggs.
Identify the following substance:
Gas C that is colourless and can be used as a bleaching agent.
Identify the following substance:
A brown gas D with the irritating smell.
The formula of the nitride of a metal X is XN, state the formula of :
- its sulphate
- its hydroxide.
Write the formula of the following compound:
Sodium iodide
Write the formula of the following compound:
Magnesium sulphate
Write the formula of the following compound:
Zinc oxide
Write the formula of the following compound:
Copper [I] chloride
Write the formula of the following compound:
Tetra amine copper [II] sulphate
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.
Mg(SO4)2
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
KNO3
Write the chemical formula for the following compounds
- Aluminium sulphate
- Silver nitrate
- Magnesium oxide
- Barium chloride
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.
