Which of the following statements is not correct?

Question

$\begin{array}{1 1}\text{The stability of hydrides of elements of Group 16 increases down the group}\\\text{Oxygen cannot display oxidation states of +2,+4 and +6}\\\text{Oxygen exists as diatomic gaseous molecules while other elements of the Group 16 catenate to form chain or rings}\\\text{Rhombic sulphur is stable at room temperature}\end{array}$