AP EAMCET · Chemistry · Redox Reactions
Equivalent weights of \(\mathrm{KMnO}_4\) and \(\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7\) in acidic medium are respectively.
(Molecular weight of \(\mathrm{KMnO}_4=M_A\) and Molecular weight of \(\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7=M_B\) ).
- A \(\frac{M_A}{3} \cdot \frac{M_B}{6}\)
- B \(\frac{M_A}{6} \cdot \frac{M_B}{5}\)
- C \(\frac{M_A}{3} \cdot \frac{M_B}{5}\)
- D \(\frac{M_A}{5} \cdot \frac{M_B}{6}\)
Answer & Solution
Correct Answer
(D) \(\frac{M_A}{5} \cdot \frac{M_B}{6}\)
Step-by-step Solution
Detailed explanation
Given that, Molecular weight of \(\mathrm{KMnO}_4=M_A\) \(\mathrm{MnO}_4^{-}+8 \mathrm{H}^{+}+5 \mathrm{e}^{-} \longrightarrow \mathrm{Mn}^{2+}+4 \mathrm{H}_2 \mathrm{O}\) \(\therefore\) Equivalent weight of \(\mathrm{KMnO}_4\)…
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
- Given below are two statements
Assertion (A): All Cu (II) halides are known except the iodide
Reason (R): \(\mathrm{Cu}^{2+}\) oxidizes \(\mathrm{I}^{-}\)to \(\mathrm{I}_2\)
The correct answer isAP EAMCET 2023 Medium - At \(T(K)\), the equilibrium constant for the reaction \(\mathrm{H}_2(\mathrm{~g})+\mathrm{Br}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{HBr}(\mathrm{g})\) is \(1.6 \times 10^5\). If 10 bar ' of HBr is introduced into a sealed vessel at \(\mathrm{T}(\mathrm{K})\), the equilibrium pressure of HBr (in bar) is approximatelyAP EAMCET 2024 Medium
- The work functions \(\left(W_0\right)\) of \(\mathrm{K}, \mathrm{Na}, \mathrm{Li}, \mathrm{Mg}\) and \(\mathrm{Cu}\) are \(2.25,2.30,2.42,3.70\) and \(4.80 \mathrm{eV}\) respectively. How many of these metals do not undergo photoelectric effect when a radiation of wavelength \(450 \mathrm{~nm}\) is allowed to fall on them? \(\left(1 \mathrm{eV}=1.602 \times 10^{-19} \mathrm{~J}\right)\)AP EAMCET 2018 Medium
- The rate constant is same for reactions of order , and , respectively, the unit of concentration being in moles per litre. If the concentration of the reactant is unity, the rates of reaction will beAP EAMCET 2020 Easy
- Which of the following condition is correct for reverse osmosis?
\(\left[\mathrm{C}=\right.\) Concentration of solution in \(\mathrm{mol} \mathrm{L}^{-1} ; \mathrm{T}=\) Temperature in Kelvin scale; \(\mathrm{n}=\) no of moles of solute]AP EAMCET 2022 Medium - Given below are two statements.
Statement I: Liquids A and B form a non-ideal solution with negative deviation. The interactions between \(A\) and B are weaker than \(\mathrm{A}-\mathrm{A}\) and \(\mathrm{B}-\mathrm{B}\) interactions
Statement II: In reverse osmosis, the applied pressure must be higher than the osmotic pressure of solution
The correct answer isAP EAMCET 2024 Medium
More PYQs from AP EAMCET
- If \(3 \sqrt{2} x-4 y=12\) is a tangent to the hyperbola \(\frac{x^2}{a^2}-\frac{y^2}{b^2}=1\) and \(\frac{5}{4}\) is its eccentricity, then \(a^2-b^2=\)AP EAMCET 2025 Medium
- \(S\) is the sample space and \(A, B\) are two events of a random experiment. Match the items of List A with the items of List B.
AP EAMCET 2024 Medium - If \(x \cos \theta=y \cos \left(\theta+\frac{2 \pi}{3}\right)=z \cos \left(\theta+\frac{4 \pi}{3}\right)\), then \(\frac{1}{x}+\frac{1}{y}+\frac{1}{z}=\)AP EAMCET 2021 Hard
- The number of real roots of the equation isAP EAMCET 2022 Medium
- What are X and Y in the following set of reactions?
AP EAMCET 2024 Medium - Two satellites of masses m and 1.5 m are revolving around the earth with different speeds in two circular orbits of heights \(\mathrm{R}_E\) and \(2 \mathrm{R}_E\) respectively, where \(\mathrm{R}_E\) is the radius of the earth. The ratio of the minimum and maximum gravitational forces on the earth due to the two satellites isAP EAMCET 2024 Medium