# Among the following oxoacids , the correct decreasing order of acid strength is :

$(a)\;HOCl > HClO_{2} > HClO_{3} > HClO_{4}\qquad(b)\;HClO_{4} > HOCl > HClO_{2} > HClO_{3}\qquad(c)\;HClO_{4}> HClO_{3} > HClO_{2} > HOCl\qquad(d)\;HClO_{2}> HClO_{4} > HClO_{3} > HOCl$