Question
A gas evolved when HCl is added to red lead.
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| $\begin{array}{cc} \ce{H}\\ |\\ \ce{H-C-H}\\ \phantom{.}\ce{H}\phantom{...} \phantom{}|\phantom{...} \phantom{}\ce{H}\phantom{.}\\ \phantom{}|\phantom{....} \phantom{}|\phantom{....} \phantom{}|\phantom{}\\ \ce{H-C-C-C-H}\\ \phantom{}|\phantom{....} \phantom{}|\phantom{....} \phantom{}|\phantom{}\\ \phantom{.}\ce{H}\phantom{...} \phantom{}|\phantom{...} \phantom{}\ce{H}\phantom{.}\\ \ce{H-C-H}\\ |\\ \ce{H} \end{array}$ 2, 2 - Dimethyl Propane | $\begin{array}{cc} \phantom{.}\ce{H}\phantom{...} \phantom{}\ce{H}\phantom{...} \phantom{}\ce{H}\phantom{.}\\ \phantom{}|\phantom{....} \phantom{}|\phantom{....} \phantom{}|\phantom{}\\ \ce{H-C-C-C-H}\\ \phantom{}|\phantom{....} \phantom{}|\phantom{....} \phantom{}|\phantom{}\\ \phantom{.}\ce{H}\phantom{...} \phantom{}|\phantom{...} \phantom{}\ce{H}\phantom{.}\\ \ce{H-C-H}\\ |\\ \ce{H} \end{array}$ _____________________ |