JEE Mains Chemistry Past PapershardMCQ SINGLE

Given below are two statements : Statement-I : In the titration between strong acid and weak base meJEE Mains Chemistry Past Papers Chemistry Question

Question

Given below are two statements : Statement-I : In the titration between strong acid and weak base methyl orange is suitable as an indicator. Statement-II : For titration of acetic acid with NaOH phenolphthalein is not a suitable indicator. In the light of the above statements, choose the most appropriate answer from the options given below : (A) Statement-I is false but Statement-II is true (B) Both Statement-I and Statement-II are false (C) Statement-I is true but Statement-II is false (D) Both Statement-I and Statement-II are true uhps nks dFku fn;k gSA dFku-I : izcy vEy rFkk nqcZy {kkj ds e/; vuqekiu ds fy, esfFky vkWjsUt lwpd ds :i esa mi;qDr gSA dFku-II : ,slhfVd vEy ds NaOH ls vuqekiu ds fy, QhukWy¶Fksfyu ,d mi;qDr lwpd ugha gSA mijksDr dFkuksa ds lanHkZ esa uhps fn, fodYiksa esa ls lgh mÙkj pqfu,A (1) dFku-I vlR; gS ijUrq dFku-II lR; gSA (2) nksuksa dFku-I rFkk dFku-II lR; gSA (3) dFku-I lR; gS ijUrq dFku-II vlR; gSA (4) nksuksa dFku-I rFkk dFku-II lR; gSA

Answer: C

💡 Solution & Explanation

(1) MeOH is suitable indicator for titration of strong acid and weak base. (2) Hph is suitable indicator for titration of weak acid and strong base.

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