• # question_answer Point out the incorrect statement among the following : A)  The oxidation state of oxygen is $+2$ in $O{{F}_{2}}$.B)  Acidic character follows the order ${{H}_{2}}O<{{H}_{2}}S<{{H}_{2}}Se<{{H}_{2}}Te$.C)  The tendency to form multiple bonds increases in moving down the group from sulphur to tellurium (towards C and N)D)  Sulphur has a strong tendency to catenae while oxygen shows this tendency to a limited extent.

Multiple bonds formation tendency with carbon and nitrogen decreases from sulphur to tellurium. $C{{S}_{2}}(S=C=S)$ is moderately stable,$CS{{e}_{2}}(Se=C=Se)$ decomposes readily whereas,$CT{{e}_{2}}(Te=C=Te)$ does not exist