JEE Main Chemistry question
A buffer solution is prepared by mixing 0.1 M ammonia and 1.0 M ammonium chloride. At 298 K, the of is 5.0. The pH of the buffer is
Answer: (D)
Solution
pOH=pK_b+\log([salt]/[base])=5+\log(1.0/0.1)=5+1=6. .
A buffer solution is prepared by mixing 0.1 M ammonia and 1.0 M ammonium chloride. At 298 K, the of is 5.0. The pH of the buffer is
pOH=pK_b+\log([salt]/[base])=5+\log(1.0/0.1)=5+1=6. .