MCQ
Which of the following is a mixed ketone
- APentanone
- ✓Acetophenone
- CBenzophenone
- DButanone

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(Given : $h =6.63 \times 10^{-34} \,Js , N _{ A }=6.02 \times 10^{23} \,mol ^{-1}$, $c =3 \times 10^{8}\, ms ^{-1}$ )

$Z$ is