MCQ
The defination of $pH$ is
- ✓$pH = \log \frac{1}{{[{H^ + }]}}$
- B$pH = \log \,[{H^ + }]$
- C$pH = - \log \frac{1}{{[{H^ + }]}}$
- D$pH = - {\log ^{[{H^ + }]}}$
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$(1)$ $C{H_2} = C{H_2}$
$(2)$ ${(C{H_3})_2}C = C{H_2}$
$(3)$ $C{H_3}CH = CHC{H_3}$
(at. mass $Ag =108; Br = 80$)
