MCQ
Which of the following is a neutral solution?
- ✓Aqueous NaCl solution
- BAqueous NaOH solution
- CAqueous HCl solution
- DAqueous $NH _3$
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In a first order reaction
$x \longrightarrow y$
; if $k$ is the rate constant and the initial concentration of the reactant $x$ is $0.1 M$, then, the half life is