Which of the following statements are incorrect?

CHEMISTRY · Multi correct · CBSE · Chemistry · Chemical Bonding and Molecular Structure · Chemical Bonding and Molecular Structure

Problem

Which of the following statements are incorrect? (1)

\mathrm{O_2}

is paramagnetic;

\mathrm{O_3}

is also paramagnetic. (2)

\mathrm{O_2}

is paramagnetic;

\mathrm{O_3}

is diamagnetic. (3)

\mathrm{B_2}

is paramagnetic;

\mathrm{C_2}

is also paramagnetic. (4) Different observations are found in bond length when

\mathrm{NO}\to\mathrm{NO^+}

and

\mathrm{CO}\to\mathrm{CO^+}