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Question
Answer the following question using the data given below:
- Assertion: Alkanes are saturated hydrocarbons.
- Reason: Hydrocarbons consist of covalent bonds.
Options
A and R are correct, R explains the A.
A is correct, R is wrong.
A is wrong, R is correct.
A and R are correct, R doesn’t explain A.
Solution
A and R are correct, R doesn’t explain A.
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Identify the hydrocarbon from the given electron-dot structure:
\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{....}\ce{H}\phantom{}\\
\phantom{}\ce{H}\phantom{..}\ce{\text{}^\bullet_\bullet}\phantom{..}\ce{\overset{\bullet\phantom{.}\bullet}{\underset{\bullet\phantom{.}\bullet}{C}}}\phantom{..}\ce{\text{}^\bullet_\bullet}\phantom{..}\ce{\overset{\bullet\phantom{.}\bullet}{\underset{\bullet\phantom{.}\bullet}{C}}}\phantom{..}\ce{\text{}^\bullet_\bullet}\phantom{..}\ce{H}\phantom{}\\
\phantom{}\ce{H}\phantom{....}\ce{H}\phantom{}\\
\end{array}\]
