Which of the following statements is true ? a) The greater the $[H^+]$, the greater will also be the $pH$ b) The smaller the $pH$, the smaller will also be the $[OH^-]$ c) The greater the $pOH$, the smaller will also be the $[H^+]$ d) The greater the $[H_3O^+]$, the smaller will also be the $[H^+]$
b) is correct: The smaller the $pH$, the smaller will also be the $[OH^-]$