Q. When $\left(\left(NH\right)_{2} \left(CH\right)_{2} COOH . HCl\right)$ is treated with $NaOH,pH$ at first half equivalence point is $2.4$ and the $pH$ at second half equivalence point is $9.6$ . The $pH$ at first equivalence point is -
NTA AbhyasNTA Abhyas 2022
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