Which of the following is not correct about conc. \( \mathrm{H}_{2} \mathrm{SO}_{4} \) ? (1) Red...

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Which of the following is not correct about conc. \( \mathrm{H}_{2} \mathrm{SO}_{4} \) ?
(1) Reducing agent
(2) Dehydrating agent
\( P \)
(3) Sulphonating agent
(4) Oxidising agent
W.
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