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NEET levelSingle correct optionDifficulty 1 of 3ie065

Compared with a solution of pH 6, a solution of pH 4 has hydrogen ion concentration that is

A2 times greater
B100 times smaller
C10 times greater
D100 times greater

Answer: D

[H X^{+}] = 1 0^{- pH}

. The ratio is

1 0^{- 4} /1 0^{- 6} = 100

, so the pH 4 solution has 100 times more

H X^{+}

.

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