3g of activated charcoal was added to 50mL acetic solution (0.06N) in a flask. After an hour it was filtered and the strength of the filtrate was found to be 0.042 N. The amount of acetic acid adsorbed (per gram charcoal) is :
[JEE Main Solved Paper-2015 ]
A)42 mg
B)54 mg
C)18 mg
D)36 mg
Correct Answer:
C
Solution :
No. of meq. of given No. of meq. of remaining ? 0.06 ?50 m eq. meq of absorbed of charcoal adsorbed by 1 g of charcoal x\[=\frac{54}{3}=18g\]