The pKb of dimethylamine and pKa of acetic acid are 3.27 and 4.77 respectively at T (K). The correct option for the pH of dimethylammonium acetate solution is : (1) 6.25 (2) 8.50 (3) 5.50 (4) 7.75

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Muskan Anand

2 years ago

pH=7+21​[pKa​−pKb​] Here, pKa​=4.76,pKb​=3.26 =7+21​[4.76−3.26] =7+21​[1.50] =7+0.75=7.75

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