HARD
10th ICSE
IMPORTANT
Earn 100

Why electrovalent compounds dissolve In water whereas covalent compounds do not.

Important Questions on Chemical Bonding

HARD
10th ICSE
IMPORTANT
Explain why electrovalent compounds are usually hard crystals.
EASY
10th ICSE
IMPORTANT

Explain the following:

Polar covalent compounds conduct electricity.

EASY
10th ICSE
IMPORTANT

Explain the following:

Water is a polar covalent molecule?

EASY
10th ICSE
IMPORTANT
Elements X, Y and Z have atomic numbers 6, 9 and 12 respectively. Which one forms an anion?
EASY
10th ICSE
IMPORTANT
Elements X, Y and Z have atomic numbers 6, 9 and 12 respectively. Which one forms a cation?
EASY
10th ICSE
IMPORTANT
Elements X, Y and Z have atomic numbers 6, 9 and 12 respectively. State type of bond between Y and Z and give its molecular formula.
MEDIUM
10th ICSE
IMPORTANT
Taking MgCI2 as an electrovalent compound, CCI4 as a covalent compound, give any four differences between electrovalent and covalent compounds.
EASY
10th ICSE
IMPORTANT
Potassium chloride is an electrovalent compound, while hydrogen chloride is a covalent compound. But, both conducts electricity in their aqueous solutions. Explain.