Draw the resonating structure of

(i) Ozone molecule

(ii) Nitrate ion

Group the following as linear and non-linear molecules :

H₂O, HOCl, BeCl₂, Cl₂O

Elements X, Y and Z have 4, 5 and 7 valence electrons respectively.

(i) Write the molecular formula of the compounds formed by these elements individually with hydrogen.

(ii) Which of these compounds will have the highest dipole moment?

Predict the shapes of the following molecules on the basis of hybridisation.

BCl₃, CH₄ , CO₂, NH₃

All the C—O bonds in carbonate ion (CO^2-₃ ) are equal in length. Explain