AP EAMCET · Chemistry · Redox Reactions
Which one of the following acts as autocatlyst during titration of \(\mathrm{KMnO}_4\) and oxalic acid in presence of dilute \(\mathrm{H}_2 \mathrm{SO}_4\) ?
- A \(\mathrm{H}_2 \mathrm{SO}_4\)
- B \(\mathrm{KMnO}_4\)
- C \(\mathrm{H}_2 \mathrm{C}_2 \mathrm{O}_4\)
- D \(\mathrm{MnSO}_4\)
Answer & Solution
Correct Answer
(D) \(\mathrm{MnSO}_4\)
Step-by-step Solution
Detailed explanation
NO SOLUTION
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- Among the following, which transition in the hydrogen spectrum would have the same wavelength as Balmer transition, \(n=4\) to \(n=2\) in \(\mathrm{He}^{+}\)spectrum?AP EAMCET 2021 Medium
- At 298 K the value of \(-\frac{\Delta\left[\mathrm{Br}^{-}\right]}{\Delta t}\) for the reaction \(5 \mathrm{Br}^{-}\) \((a q)+\mathrm{BrO}_3^{-}(a q)+6 \mathrm{H}^{+}(a q) \rightarrow 3 \mathrm{Br}_2(a q)+3 \mathrm{H}_2 \mathrm{O}(1)\) is \(x\) \(\mathrm{mol} \mathrm{L} \mathrm{L}^{-1} \mathrm{~min}^{-1}\). What is the rate (in \(\mathrm{mol} \mathrm{L}^{-1} \mathrm{~min}^{-1}\) ) of this reaction?AP EAMCET 2020 Easy
- If the rate constant of a first order reaction is \(4.606 \times 10^{-3} \mathrm{~s}^{-1}\), then find the time required for \(400 \mathrm{~g}\) of the reactant to reduce to \(50 \mathrm{~g}\).AP EAMCET 2010 Easy
- An artificial sweetener \(\underline{X}\) is a halogen containing compound and artificial sweetener \(\underline{Y}\) is a sulphur containing compound. \(\mathrm{X}\) and \(\mathrm{Y}\) respectively are:AP EAMCET 2017 Easy
- Identify the reaction/process in which the entropy decreasesAP EAMCET 2022 Easy
- In the given structure of Diborane \(\theta_1, \theta_2\) are respectively
AP EAMCET 2024 Easy
More PYQs from AP EAMCET
- The coefficient of \(x^4\) in the expansion of \(\left(1+x-x^2-x^3\right)^{11}\) isAP EAMCET 2018 Medium
- In any \(\triangle A B C, a(b \cos C-c \cos B)\) equalsAP EAMCET 2009 Easy
- The equation of the pair of asymptotes of the hyperbola \(\frac{(x-3)^2}{3}-\frac{(y-2)^2}{2}=1\) isAP EAMCET 2023 Easy
- Let \(\vec{a}, \vec{b}, \vec{c}\) be co-initial vectors and \(\vec{a}=2 \hat{i}-\hat{j}+5 \hat{k}\) and \(\overrightarrow{\mathrm{b}}=3 \hat{\mathrm{i}}+7 \hat{\mathrm{j}}-\hat{\mathrm{k}}\). Let \((\overrightarrow{\mathrm{a}}, \overrightarrow{\mathrm{b}})=\theta\) be an acute angle and \(\overrightarrow{\mathrm{c}}\) be the vector along the bisector of the angle \(\theta\). If \(\lambda, x\), \(\mathrm{y} \in \mathbb{R}\), then \(\overrightarrow{\mathbf{c}}=\)AP EAMCET 2023 Easy
- The heat supplied to a gas at a constant pressure of \(5 \times 10^5 \mathrm{~Pa}\) is 1000 kJ. If the volume of gas changes from \(1 \mathrm{~m}^3\) to \(2.5 \mathrm{~m}^3\), then the change in internal energy of the gas isAP EAMCET 2025 Medium
- Identify the correct statements from the following :
I. Sulphur sol is an example of a multimolecular colloid.
II. Tyndall effect is observed when the diameter of the dispersed particles is not much smaller than the wavelength of the light used.
III. The process of removing a dissolved substance from a colloidal solution by means of diffusion through a suitable membrane is called peptisation.
IV. Eosin, gelatin are examples of negatively charged sols.AP EAMCET 2019 Easy