Advertisements
Advertisements
प्रश्न
An element which can exhibit valencies of 2, 4 and 6 can be :
विकल्प
copper
iron
mercury
sulphur
Advertisements
उत्तर
Sulphur
Sulphur exhibits the valencies of 2, 4 and 6.
APPEARS IN
संबंधित प्रश्न
Name the element used as a standard for atomic mass scale.
What do the following symbol stand for?
H2
In the chemical word equation –
Zinc + Sulphuric acid → Zinc sulphate + Hydrogen.
State the reactants and products of the above reaction. What does the arrow indicate?
In the chemical word equation – Zinc + Sulphuric acid → Zinc sulphate + Hydrogen
The molecular equation is :
Zn + H2SO4 → ZnSO4 + H2[g].
State what [g] represents.
State which element exists in the highest percentage in atmosphere.
State the type of element for the following:
Xenon
State the type of element for the following:
Platinum
Write the radical of the following valency:
magnesium
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Mercury
write symbol with the variable valency
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Lead
write symbol with the variable valency
