S C Kheterpal, S N Dhawan and, P N Kapil Solutions for Chapter: Chemical Bonding and Molecular Structure, Exercise 2: TEST YOUR GRIP

When electrons are contributed by one atom but shared by both the atoms so as to complete their octets, the bond formed is called _____.(covalent bond/coordinate bond/ionic bond)

The energy released when gaseous positive and negative ions combine together to form an ionic bond is called _____(Lattice enthalpy/ Ionisation enthalpy).

The Lewis dot structure of carbonate ion is _____ .

The shape of the molecule containing $3$ bond pairs and one lone pair around the central atom is _____ (trigonal pyramidal / tetrahedral).

The energy released when gaseous hydrogen atoms combine together to form one mole of hydrogen molecules is _____ $\mathrm{kJ}$ ${\mathrm{mol}}^{-1}$.

A bond is said to have ionic character when the electronegativity difference between the two atoms is greater than_____.

The shape of acetylene molecule is_____.

The difference of energy between the actual structure of a molecule and that of the most stable contributing structure is called _____ .