Which of the following colour changes shown during redox titrations is not correct?
Chemistry · Class 11 · CBSE — Redox Reactions
Which of the following colour changes shown during redox titrations is not correct?
- Cr2O7 2– oxidises the indicator diphenylamine to produce blue colour showing end point.
- Iodine formed by oxidation of I– ions gives blue colour with starch showing end point.
- KMnO4 in the form of MnO4 – ions gives pink colour showing end point.
- Thiosulphate ions (S2O3 2–) give blue colour showing end point.
Answer
(D) Thiosulphate ions (S 2 O 3 2– ) give blue colour showing end point.
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Identify the redox reaction taking place in a beaker.
- Oxidation number of iodine in IO 3 – , IO 4 – , KI and I 2 respectively is
- What is the oxidation state of P in Ba(H 2 PO 2 ) 2 ?
- Which of the following can act as oxidising as well as reducing agent?
- The oxidation state of molybdenum in its oxo complex species [Mo 2 O 4 (C 2 H 4 ) 2 (H 2 O 2 )] 2– is
- Which of the following is true about the given redox reaction? SnCl 2 + 2FeCl 3 → SnCl 4 + 2FeCl 2
- The values of coefficients to balance the following reaction are Cr(OH) 3 + ClO – + OH – → CrO 4 2– + Cl – +…
- Which of the following is a decreasing order of oxidation states of the central atoms?
More Redox Reactions questions · Browse all practice questions