the aride ion have the same length. (1.49) Write structural formulas of the type indieated: (a) bond-line formulas for seven constitutional isomers with the formula C4H10O; (b) condensed structural formulas for two construtional isomeri with the formula C2H2N (c) condensed structural formulas for four conscitutional isomers with the formula C2H9N : (d) bond-line formulas for three constitutional isomers with che formula C3H12. 1.50 Define the relationship between the members of the following pain. Are they constitutional isomers, the same, or something clse (a) (d) NNH2 (b) CH3CH2CH2CH(CH2)2 (c) (c) (I)