Oxidation of ethanol by chromic acid forms

Select the best method for the preparation of the following compounds:
(Image shows a mixture of trans$-2-$methylcyclohexanol enantiomers)
($MCPBA$ = meta-chloroperoxybenzoic acid)

Which of the following compounds undergoes dehydration most easily?

The alcohol that produces turbidity immediately with $ZnCl_2 +$ conc. $HCl$ at room temperature is:

This conversion can be achieved by

Ethyl alcohol is heated with conc. $H_2SO_4$. The product formed is