EASY
Earn 100

Identify the correct property of 'Ionic solutions'.

50% studentsanswered this correctly

Important Questions on Metals and Non-Metals

EASY
Show that F forms ionic bond with Na but it forms covalent bond with H. (The atomic numbers of H, F and Na are 1, 9, and 11 respectively).
MEDIUM
Why do ionic compounds have high melting points?
MEDIUM
Why the bond in sodium chloride cannot be expressed as Na-Cl?
EASY

Draw the electronic dot structure of the following-

  • F2
MEDIUM

Why does distilled water not conduct electricity, whereas rain water does? 

EASY
By giving example of an Ionic compound show that its ions do not obey the octet rule. 
MEDIUM
What type of chemical bond is present in CaO?
EASY

Draw the electronic dot structure of the following-

  • H2S
HARD

Show the formation of MgO by the transfer of electrons. 

EASY

Give reasons.

(ii) Ionic compounds have high melting points.

EASY

Draw the electronic dot structure of the following-

  • NH3
MEDIUM
What are covalent compounds? Write any three features and give two examples. 
MEDIUM
Mention the general properties of ionic compounds and clarify that why do ionic compounds have high melting points.
EASY
Explain any two properties of ionic compounds.
MEDIUM

Answer the following:

MgCl2 does not conduct electricity in the solid state. Give reasons.

EASY
What do you understand by a lone pair of electrons?
MEDIUM
Write the favourable factors for the formation of ionic bond.
MEDIUM
One of the following compounds is not ionic in nature. This compound is:
EASY

Write the electron-dot structures for the following molecules:

(a) NaCl

(b) Cl2

MEDIUM
(a) Give the names and formulae of one metal chloride and one non-metal chloride.
(b) State an important property in which these metal chloride and non-metal chloride differ.
(c) Why do they differ in this property?