Question

Which one of the following is not a buffer solution [AIIMS 2003]
A) 0.8\,M\,{{H}_{2}}S+0.8\,M\,KHS B) 2\,M\,{{C}_{6}}{{H}_{5}}N{{H}_{2}}+2M\,{{C}_{6}}{{H}_{5}}\overset{+}{\mathop{N}}\,{{H}_{3}}\,Br C) 3\,M\,{{H}_{2}}C{{O}_{3}}+3\,M\,KHC{{O}_{3}} D) 0.05\,M\,KCl{{O}_{4}}+0.05\,M\,HCl{{O}_{4}}

Answer 1

D. Is the correct answer

Answer 2

Answer:

Explanation: For the buffer gram equivalent of salt must be

more than gram equivalent of stong acid or strong base