1.

A solution of pH=5. it is diluted 100 times, then it will become……

Answer»

NEUTRAL
basic
unaffected
more acidic

Solution :pH =5 MEANS `[H^+]=10^-5`
After dilution `[H^+]=10^-5//100=10^-7M`
`[H^+] from H_2O` cannot be NEGLECTED.
TOTAL `[H^+]=10^-7+ 10^-7=2 times 10^-7`
`pH=7-0.3010=6.6990=7`
`pH=7` (neutral)


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