2-Methylcyclohexanone, chirality molecular model

With the aid of molecular models and diagrams, indicate whether you would expect the following to be chiral (a) trans-cyclohexane-1,2-dicarboxy Lie acid (b) 3-methylcyclohexanone (c) 1,1,4-trichlorocyclobexane (d) 1,1,2-trichlorocyclohexane (e)... 

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