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Question
Draw the electron dot structures for F2.
Solution
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F – F
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- \[\ce{H3C - CH2 - CH2 - CH3}\]
- \[\ce{H3C - C ≡ C - CH3}\]
- \[\begin{array}{cc}
\ce{H3C - CH - CH3}\\
|\phantom{..}\\
\ce{CH3}\\
\end{array}\] - \[\begin{array}{cc}
\ce{H3C - C = CH2}\\
|\\
\phantom{...}\ce{CH3}\\
\end{array}\]
The name of the compound CH3 — CH2 — CHO is
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\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{.....}\\
\phantom{}|\phantom{....}|\phantom{....}|\phantom{.....}\\
\ce{H} - \ce{C} - \ce{C} - \ce{C} ≡ \ce{C} - \ce{H}\\
\phantom{}|\phantom{....}|\phantom{..........}\\
\phantom{}\ce{H}\phantom{...}\ce{H}\phantom{..........}\\
\end{array}\]
Write the name of the following compound
\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{}\\
\phantom{}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{}\\
\ce{H - C - C - C - C - C - C - C = O}\\
\phantom{}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{.....}\\
\phantom{.}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{......}
\end{array}\]
The formulae of four organic compounds are shown below. Choose the correct option
| A | B | C | D |
| \[\begin{array}{cc} \phantom{.}\ce{H}\phantom{......}\ce{H}\\ \phantom{.}\backslash\phantom{.....}/\\ \ce{C = C}\\ /\phantom{.....}\backslash\\ \ce{H}\phantom{......}\ce{H} \end{array}\] |
\[\begin{array}{cc} \phantom{........}\ce{H}\phantom{.....}\ce{O}\\ \phantom{.......}|\phantom{....}//\\ \ce{H - C - C}\\ \phantom{......}|\phantom{.....}\backslash\\ \phantom{...........}\ce{H}\phantom{.....}\ce{O - H} \end{array}\] |
\[\begin{array}{cc}
|
\[\begin{array}{cc} \ce{H}\phantom{...}\ce{H}\phantom{....}\\ |\phantom{....}|\phantom{....}\\ \ce{H - C - C - O - H}\\ |\phantom{....}|\phantom{.....}\\ \ce{H}\phantom{....}\ce{H}\phantom{.....} \end{array}\] |
