MCQOPTIONS
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| 1. |
\[{{H}_{4}}{{O}^{+}}\]of a solution is 4. The hydroxide ion concentration of the solution would be [NCERT 1981; CBSE PMT 1991; MP PMT 1994] |
| A. | \[{{10}^{-4}}\] |
| B. | \[{{10}^{-10}}\] |
| C. | \[{{10}^{-2}}\] |
| D. | \[{{10}^{-12}}\] |
| Answer» C. \[{{10}^{-2}}\] | |