COMEDK · Chemistry · 23. d and f Block Elements
In acidic medium, potassium permanganate oxidises oxalic acid to
- A oxalate
- B carbon dioxide
- C acetate
- D acetic acid
Answer & Solution
Correct Answer
(B) carbon dioxide
Step-by-step Solution
Detailed explanation
In acidic medium, oxalic acid is oxidised to \(\mathrm{CO}_{2}\) (carbon dioxide) by \(\mathrm{KMnO}_{4}\).…
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
- At 30°C the solubility of PbI\(_2\) salt in 0.2 M KI solution will be X, if the solubility product of PbI\(_2\) at 30°C is \(2.4 \times 10^{-8}\). Identify the value of X.COMEDK 2026 Medium
- The \(\mathrm{pH}\) of boiling water is \(6.4\). This implies that boiling water isCOMEDK 2012 Easy
- Which one of the following is an unsaturated fatty acid?COMEDK 2019 Easy
- A nitrogen containing organic compound gave an oily liquid on heating with bromine and potassium hydroxide solution. On shaking the product with acetic anhydride, an antipyretic drug was obtaine(d) The reactions indicate that the starting compound isCOMEDK 2016 Hard
- At \(300 \mathrm{~K}\), the half-life period of a gaseous reaction at an initial pressure of \(40 \mathrm{kPa}\) is 350 s. When pressure is \(20 \mathrm{kPa}\), the half-life period is \(175 \mathrm{~s}\). What is the order of the reaction?COMEDK 2023 Medium
- The number of unidentate ligands in the complex ion is calledCOMEDK 2020 Easy
More PYQs from COMEDK
- Blowing air with open mouth is an example ofCOMEDK 2013 Easy
- An equilibrium mixture taken in 2litre vessel of the reaction: \(2\text{SO}_2(g) + \text{O}_2(g) \rightleftharpoons 2\text{SO}_3(g)\) has 4 moles of \(\text{SO}_2\), 3moles of \(\text{O}_2\) and 6moles of \(\text{SO}_3\) then the value of equilibrium constant \((K_c)\) will be:COMEDK 2026 Easy
- The probability of inviting three friends on 5 consecutive days, exactly one friend a day and no friend is invited on more than two days isCOMEDK 2024 Medium
- The initial pressure of the system before decomposition for a first order gas phase reaction \(A_{(g)} \rightarrow B_{(g)} + C_{(g)}\) was \(P_i\). After lapse of time 't', total pressure of the system increased by 'x' units and became \(P_t\). The rate constant 'k' for the reaction is given as:COMEDK 2026 Medium
- If \(\log _{2}\left(2^{x-1}+6\right)+\log _{2}\left(4^{x-1}\right)=5\), then \(x=\)COMEDK 2018 Easy
- If \(\frac{2}{9 !}+\frac{2}{3 ! 7 !}+\frac{1}{5 ! 5 !}=\frac{2^{a}}{b !}\), where \(a, b \in N\), then the ordered pair \((a, b)\) isCOMEDK 2012 Medium