Question

11. The dissociation constant of a weak monca base is 10-5. The pH of its 0.1 M solution N approximately equal to [NCERT Por (2) 8 (1) 11 (3) 7.5 (4) 10​

Answer 1

Answer:

PH = 8

Explanation:

PH + POH = 14

POH = - LOG (OH-)

POH = - LOG (0.1)

POH = 1

SINCE BASE = 10 - 5 = 5

POH = 5+ 1 = 6

PH + POH = 14

PH + 6 = 14

PH = 14 - 6

PH = 8