Ionic or Electrovalent Bond

IMPORTANT

Ionic or Electrovalent Bond: Overview

This topic covers concepts, such as, Conditions for Electrovalent Bond Formation, Number of Valence Shell Electrons, Lattice Energy of Ionic Compounds & Applications of Lattice Energy etc.

Important Questions on Ionic or Electrovalent Bond

HARD
IMPORTANT

A metal, M forms chlorides in its   +2  and   +4  Oxidation states. Which of the following statements about these chlorides is correct?

EASY
IMPORTANT

Based on lattice energy and other considerations which one of the following alkali metal chlorides is expected to have the highest melting point?

MEDIUM
IMPORTANT

Based on lattice energy and other considerations which of the following alkali metal chloride is expected to have the highest melting point ?

MEDIUM
IMPORTANT

The number of following factors which affect the percent covalent character of the ionic bond is______

A) Polarising power of cation

B) Extent of distortion of anion

C) Polarisability of the anion

D) Polarising power of anion

EASY
IMPORTANT

Given below are two statements:

Statement I: Permutit process is more efficient compared to the synthetic resin method for the softening of water.

Statement II: Synthetic resin method results in the formation of soluble sodium salts.

In the light of the above statements, choose the most appropriate answer from the options given below:

MEDIUM
IMPORTANT

Be(OH)2 reacts with Sr(OH)2 to yield an ionic salt. Choose the incorrect option related to this reaction from the following

MEDIUM
IMPORTANT

. Identify the correct order of standard enthalpy of formation of sodium halides.

MEDIUM
IMPORTANT

Which of the following expressions is correct in case of a CsCl unit cell (edge length ‘a’)?

MEDIUM
IMPORTANT

The number of following factors which affect the percent covalent character of the ionic bond is______

HARD
IMPORTANT

How many factors will contribute to major role in covalent character of a compound?

a. Polarising power of cation

b. Polarisability of the anion

c. Distortion caused by cation

d. Polarisability of cation

HARD
IMPORTANT

Solubility of alkali metal carbonates

EASY
IMPORTANT

What type of elements form cations in an electrovalent bond.

EASY
IMPORTANT

The structure of sodium chloride is formed by repeating the _____ cubic unit cell.

EASY
IMPORTANT

Name the bond formed by calcium and oxide ions.

EASY
IMPORTANT

An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is

EASY
IMPORTANT

Which of the following compounds will have the largest lattice energy?

HARD
IMPORTANT

Name the factors that favours the formation of electrovalent bond between atoms.