MCQ
$1\ mL$ of $\frac{\text{N}}{100}\text{HCl} $ is added to $1L$ of buffer having $pH = 5$. The $pH$ of the solution will be:
- ABecome $7$
- BBecome $3$
- CBecome $6$
- ✓Remain unaffected.
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The decreasing order of the rate of the above reaction with nucleophiles $(Nu^-)$ $A$ to $D$ is
$[Nu^-=(A) \,PhO^-, (B)\,AcO^-, (C)\, HO^-, (D)\, CH_3O^-]$