Which of the following element is not correctly matched with its compound? (A) The chloride 3 XCl is — AITS & Test Series Chemistry Question

Question

Which of the following element is not correctly matched with its compound? (A) The chloride 3 XCl is oxidizing, but XCl is stable and insoluble in water: T (B) The oxide 2 XO has high melting point and is very abundant in nature: Si (C) X (group 14) forms compounds mainly in +2 oxidation state, through some compounds in the state +4 do exist: Sn (D) 4 X exists in various allotropic forms and one of the allotrope shows disproportionation reaction with NaOH : P