Identify the missing product in the following reaction:
$CH_3CH_2OH \xrightarrow[443 \ K]{H_2SO_4} (?)$

Write the structures and $IUPAC$ names of the different structural isomers of alkenes corresponding to the molecular formula $C_5H_{10}$. How many such isomers are possible?

$[CH_3-CH_2-CH(CH_3)-N^{+}(CH_3)_3]OH^{-} \xrightarrow{\text{pyrolysis}}$ major alkene will be

Addition of $HCl$ to propene in the presence of peroxides gives:

Consider the following reactions. What is $A$?
| Reaction | Observation |
| :--- | :--- |
| $A \ (C_7H_{14}) \xrightarrow{\text{ozonolysis}} B + C$ | |
| $B \xrightarrow{I_2 + NaOH, \Delta} \text{yellow ppt}$ | |
| $B \xrightarrow{Ag_2O, \Delta} \text{silver mirror}$ | |
| $C \xrightarrow{I_2 + NaOH, \Delta} \text{no yellow ppt}$ | |
| $C$ $\xrightarrow{LiAlH_4} D$ $\xrightarrow{\text{anhydrous } ZnCl_2, \text{conc. } HCl} \text{white turbidity within 5 minutes}$ | |

$1-$butylene when subjected to hydroboration-oxidation reaction,yields: