JEE Mains · Chemistry · STD 12 - 8.2 Carboxylic acids and their derivative
\([image]\) Maleic anhydride Maleic anhydride can be prepared by :

- A Treating cis-but\(-2-\)enedioic acid with alcohol and acid
- B Heating cis-but\(-2-\)enedioic acid
- C Treating trans-but\(-2-\)enedioic acid with alcohol and acid
- D Heating trans-but\(-2-\)enedioic acid
Answer & Solution
Correct Answer
(B) Heating cis-but\(-2-\)enedioic acid
Step-by-step Solution
Detailed explanation
Cis but \(2 -\)enoic acid
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
- For a first order reaction, the time required for completion of \(90\, \%\) reaction is \('x'\) times the half life of the reaction. The value of \('x'\) is \(........\,.\) (Given: \(\ln 10=2.303\) and \(\log 2=0.3010\) )JEE Mains 2022 Medium
- Choose the correct set of reagents for the following conversion.
JEE Mains 2025 Medium - The rate constant of a reaction increases by five times on increase in temperature from \(27^{\circ} C\) to \(52^{\circ} C\). The value of activation energy in \(kJ mol ^{-1}\) is \(.... .\) (Rounded-off to the nearest integer) \(\left[ R =8.314\, J \,K ^{-1} \,mol ^{-1}\right]\)JEE Mains 2021 Medium
- The total number of possible isomers for squareplanar \([Pt(Cl)(NO_2)(NO_3)(SCN)]^{2-}\) is:JEE Mains 2018 Hard
- Two reactions \(R_1\) and \(R_2\) have identical pre-exponential factors. Activation energy of \(R_1\) exceeds that of \(R_2\) by \(10\, kJ\,mol^{-1}.\) If \(k_1\) and \(k_2\) are rate constants for reactions \(R_1\) and \(R_2\) respectively at \(300 \,K,\) then \(\ln (k_2/k_1)\) is equal to : \((R=8.314\,J\, mol^{-1}\,K^{-1})\)JEE Mains 2017 Hard
- Assume a cell with the following reaction \(\mathrm{Cu}_{(\mathrm{s})}+2 \mathrm{Ag}^{+}\left(1 \times 10^{-3} \,\mathrm{M}\right) \rightarrow \mathrm{Cu}^{2+}(0.250\, \mathrm{M})+2 \mathrm{Ag}_{(\mathrm{s})}\) \(\mathrm{E}_{\mathrm{Cell}}^{\ominus}=2.97\, \mathrm{~V}\) \(\mathrm{E}_{\text {cell }}\) for the above reaction is \(....\,V.\) (Nearest integer) [Given : \(\log 2.5=0.3979, T=298\, \mathrm{~K}]\)JEE Mains 2021 Hard
More PYQs from JEE Mains
- Uracil is base present in \(RNA\) with the following structure. \(\%\) of \(N\) in uracil is \(............\).
Given :
Molar mass \(N =14\,g\,mol ^{-1} ; O =16\,g\,mol ^{-1} ; \)
\(C =12\,g\,mol ^{-1} ; H =1\,g\,mol ^{-1}\);
JEE Mains 2023 Medium - Two ideal electric dipoles \(A\) and \(B\) having their dipole moment \(p_{1}\) and \(p_{2}\) respectively are placed on a plane with their centres at \(O\) as shown in the figure. At point \(C\) on the axis of dipole \(A\), the resultant electric field is making an angle of \(37^{\circ}\) with the axis. The ratio of the dipole moment of \(A\) and \(B, \frac{P_{1}}{P_{2}}\) is \(....\) (take \(\left.\sin 37^{\circ}=\frac{3}{5}\right)\)
JEE Mains 2021 Hard - In a photoelectric effect experiment a light of frequency \(1.5\) times the threshold frequency is made to fall on the surface of photosensitive material. Now if the frequency is halved and intensity is doubled, the number of photo electrons emitted will be _______.JEE Mains 2024 Hard
- A bar magnet having a magnetic moment of \(2.0 \times\) \(10^{5} \; JT ^{-1}\), is placed along the direction of uniform magnetic field of magnitude \(B =14 \times 10^{-5}\; T\). The work done in rotating the magnet slowly through \(60^{\circ}\) from the direction of field is .............. \(J\)JEE Mains 2022 Medium
- If the electric potential at any point \((x, y, z) \,m\) in space is given by \(V =3 x ^{2}\) volt. The electric field at the point \((1,0,3) \,m\) will be ............JEE Mains 2022 Easy
- Let \(A=\{a, b, c\}\) and \(B=\{1,2,3,4\}\) Then the number of elements in the set \(C =\{ f : A \rightarrow B \mid 2 \in f ( A )\) and \(f\) is not one-one \(\}\) isJEE Mains 2020 Medium