Write the equation for the conversion of ethylene glycol to oxalic acid.

Complete the reaction and write the name of the product.

${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH} \underset{620 \mathrm{K}}{\overset{{\mathrm{Al}}_2{\mathrm{O}}_3}{\to }} ?$

Identify to which type does the following complex reactions belongs to-

• dehydration of 2-methyl-2-butanol

The correct order with respect to ease of dehydration for the following will be