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.