Which of the following is NOT a basic amino acid?

Calculate the PV type of work for the following reaction at 1 bar pressure.

$$\mathrm{\mathop {{C_3}{H_{6(g)}}}\limits_{(150\,mL)} + \mathop {HC{l_{(g)}}}\limits_{(150\,mL)} \buildrel {} \over \longrightarrow \mathop {{C_3}{H_7}C{l_{(g)}}}\limits_{(150\,mL)}}$$

Which among the following is NOT dicarboxylic acid?

Identify the element having positive electron gain enthalpy.