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10-2 mole of NaOH was added to 10 liters of water. The pH will change by

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By Expert Faculty of Sri Chaitanya
ctaimg
a
4
b
3
c
11
d
7
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detailed solution

Correct option is A

pHof water before adding base = 7 because water is neutral.New OH- =10-2  × 110  = 10-3New  pH = 11Change in pH = 11 - 7 = 4


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