MCQ
The metal used for making radiation shield is
- AAluminium
- BIron
- CZinc
- ✓Lead
✓
Answer
Correct option: D.
Lead
d
(d)Lead is used for making radiation shield.
(d)Lead is used for making radiation shield.
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→$\begin{matrix}
O\,\,\, \\
||\,\,\, \\
C{{H}_{3}}-C-C{{H}_{2}}- \\
\end{matrix}\begin{matrix}
O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
C{{H}_{2}}-C-C{{H}_{3}}\xrightarrow[\Delta ]{{{(N{{H}_{4}})}_{2}}C{{O}_{3}}}\xrightarrow[\Delta ]{CC{{l}_{3}}C{{O}_{2}}Na}\underset{(major)}{\mathop{(B)}}\, \\
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→O\,\,\, \\
||\,\,\, \\
C{{H}_{3}}-C-C{{H}_{2}}- \\
\end{matrix}\begin{matrix}
O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
C{{H}_{2}}-C-C{{H}_{3}}\xrightarrow[\Delta ]{{{(N{{H}_{4}})}_{2}}C{{O}_{3}}}\xrightarrow[\Delta ]{CC{{l}_{3}}C{{O}_{2}}Na}\underset{(major)}{\mathop{(B)}}\, \\
\end{matrix}$
Product $(B)$ of above reaction is
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