Chlorination of toluene in the presence of light and heat followed by treatment with aqueous $NaOH$ gives :

Consider the reaction: $CH_3-CH_2-CH(F)-CH_3 \xrightarrow{CH_3O^{-}} X$. The alkene formed in major amount is:

Which of the following will give $S_N2$ reaction at the fastest rate?

Given below are two statements $:$
Statement $(I) :$ $cis-1,2-dichloroethene$ is more polar than $cis-1,2-dibromoethene$.
Statement $(II) :$ Boiling point of $trans-1,2-dibromoethene$ is lower than $cis-1,2-dibromoethene$ but it is more polar than $cis-1,2-dibromoethene$.
In the light of the above statements,choose the most appropriate answer from the options given below $:$

$Ph-CH(Br)-CH_2-CH_2-Br \xrightarrow[\Delta]{Zn-Cu} \text{Product}$. The product of the above reaction is:

The hybridization state of carbon atoms in the product formed by the reaction of ethyl chloride with aqueous potassium hydroxide is