MCQ
The neutralization occurs when $10\, mL$ of $0.1 \,M$ acid $'A'$ is allowed to react with $30 \,mL$ of $0.05\, M$ base $M ( OH )_{2}$. The basicity of the acid $'A'$ is $...$ $[ M$ is a metal $]$
- A$265$
- B$0.45$
- C$30$
- ✓$3$
✓
Answer
Correct option: D.
$3$
d
Acid $\quad+$ Base $\longrightarrow$ Salt $+ H _{2} O$
Acid $\quad+$ Base $\longrightarrow$ Salt $+ H _{2} O$
$0.1 \,M \quad \,M ( OH )_{2}$
$10\, ml\,\quad 0.05\, M$
$\quad\quad\quad\quad30 \,ml$
at equivalence point
equivalent of acid $=$ equivalent of base
$0.1 \times 10 \times n =30 \times 0.05 \times 2$
$n =3$
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