Please answer as soon as possible

Question : 1
     Draw the structure of the following organic compounds :

        a) Propan -2 -01

        b) Methoxy ethane

        c) 1,1, 2, 2 – tetrachloroethane

        d) 3 – methylpentanoic acid

        e) Ethyl ethanoate

        f) Acetone 

        g) Ethane –1, 2–diol

        h) Ethane – 1, 2–dioic acid

        i) 2, 3 – dibromobutanal

        j) Ethyne