s-Block ElementsMedium

Question

Which of the following oxides is formed when potassium metal is burnt in excess air ?

Options

A.KO₃

B.K₂O

C.K₂O₂

D.KO₂

Solution

K + O₂ KO₂ .

Create a free account to view solution

View Solution Free

Topic: s-Block Elements·Practice all s-Block Elements questions

More s-Block Elements Questions

Among LiCl, RbCl, BeCl2, MgCl2 the compounds with greatest and least ionic character respectively are :...What is the formula of basic anhydride of Ba(OH)2 ?...Consider the following statements ;S1 : Ozone reacts with dry KOH forming a deep red/orange coloured compound and libera...The correct sequence of increasing melting points of BeCl2, MgCl2, CaCl2, SrCl2 and BaCl2 is...A fire work gave bright crimson light. It probably contained a salt of :...