Exercise 1

$1-$butene and $2-$butene exhibit which type of isomerism among the following?

Complete the following reaction:

Which one is more polar, cis-2-butene or trans-2-butene.

What would be the expected product of the reaction of propyne with ${\mathrm{Br}}_2/{\mathrm{H}}_2\mathrm{O}$ if the mechanism of this reaction is analogous to that of propene?(Bromoacetone/Bromopropanol)

Two moles of sodium acetate will produce how many moles of methane and how many grams of methane?

The compound which contains all the four $1°, 2°, 3° \mathrm{and} 4°$ carbon atom is :
 

Is benzaldehyde less or more reactive to electrophilic substitution reactions than benzene (${\mathrm{C}}_6{\mathrm{H}}_6$)? Give an explanation for your answer.

Are all polynuclear hydrocarbons carcinogenic?