Q. Which of the following yields both alkane and alkene?

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Solution:

3. Williamson's synthesiss used for the preparation of ether
4. Kolbe's reaction is used for the preparation of alkanes, alkenes, and alkynes
5. Wurtz rection is used for the preparation of higher alkanes (even number and symmetrical alkanes when group is the same). With two different R groups mixed, alkanes and alkenes are obtained
6. Sandmeyer reaction is used for the preparation of various compounds from diazo compounds