The number of resonance structure of `CO_3^2- are--------.

Write the resonance structure of CO_3^(2-) and HCO_3^(-)

What is resonance?

Draw the resonance structure of ozone molecule.

Draw the structure of the IF_3 .

Draw the structure of the BrF_3 .

Draw the structure of dimer AlCl_3 .

Ortho and para nitrophenols are more acidic than phenol. Draw the resonance structures of the corresponding phenoxide ions.

Write the structure of 3-oxopentanal.