3(b)
Complete the following by selecting the correct option from the choices given:
(i) pH of acetic acid is greater than dilute sulphuric acid. So acetic acid contains ............... concentration of H+ ions. (greater, same, low)
(ii) The indicator which does not change colour on passage of HCl gas is ................ (methyl orange, moist blue litmus, phenolphthalein)
(iii) The acid which cannot act as an oxidizing agent is ................ (conc. H2SO4, conc. HNO3, conc. HCl)
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(i) pH of acetic acid is greater than dilute sulphuric acid. So, acetic acid contains low concentration of H+ ions.
(ii) The indicator which does not change colour on passage of HCl gas is phenolphthalein.
(iii) The acid which cannot act as an oxidizing agent is conc. HCl