Chemistry In Everyday Life Ques 10
10. Which of the following is an analgesic?
[2016]
(a) Novalgin
(b) Penicillin
(c) Streptomycin
(d) Chloromycetin
Show Answer
Solution:
(a) $ _{92} U^{235}+ _0 n^1 \rightarrow _{54} {Xe}^{139}+ _{38} \mathrm{Sr}^{94}+X $
$ 92+0=54+38+\mathrm{a} \Rightarrow {a}=0 $
$ 235+1=139+94+\mathrm{b} \Rightarrow \mathrm{b}=3 \text { So, } \mathrm{X}=3{ }_0 \mathrm{n}^1$
i.e 3 neutrons.