NEET Solved Paper 2019 Question 40
Question: Which will make basic buffer? [NEET 5-5-2019]
Options:
A) $ 100mL$ of $0.1MHCl+200mL$ of $ 0.1MNH _4OH $
B) $ 100mL$ of $0.1MHCl+100mL$ of $ 0.1MNHOH $
C) $ 50mL$ of $0.1MNaOH+25mL$ of $ 0.1MCH _3COOH $
D) $ 100mL$ of $0.1MCH _3COOH+100mL$ of $0.1MNaOH $
Show Answer
Answer:
Correct Answer: A
Solution:
Weak Acid > Strong Base
Weak Base > Strong Acid
$ 200ml$ of $0.1M NH _4OH>0.1M$ of $100ml HCl $
