KCET · Chemistry · General Organic Chemistry
The IUPAC name of

is
- A but-3-enoic acid
- B but-1-enoic acid
- C pent-4-enoic acid
- D prop-2-enoic acid
Answer & Solution
Correct Answer
(A) but-3-enoic acid
Step-by-step Solution
Detailed explanation

Word root - But
Suffix - ene (3rd carbon atom)
- oic acid (1st carbon atom)
Hence, IUPAC name is but-3-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
- In the electrolysis of aqueous sodium chloride solution, which of the half cell reaction will occur
at anode?KCET 2017 Medium - For a reaction having three steps, the overall rate constant is \(k = \dfrac{k_1 k_2}{k_3}\). The values of \(E_{a_1}, E_{a_2}\) and \(E_{a_3}\) (activation energies stepwise) are \(40\), \(50\) and \(60\) kJ mol\(^{-1}\) respectively. Then the overall \(E_a\) (activation energy) of the reaction is ____KCET 2026 Medium
- At \(300 \mathrm{~K}\), a gaseous reaction \(\mathrm{A} \longrightarrow \mathrm{B}+\mathrm{C}\) was found to follow first order kinetics. Starting with pure \(A\), the total pressure at the end of \(20 \mathrm{~min}\) was \(100 \mathrm{~mm}\) of \(\mathrm{Hg}\). The total pressure after the completion of the reaction is \(180 \mathrm{~mm}\) of \(\mathrm{Hg}\). The partial pressure of \(A\) (in \(\mathrm{mm}\) of \(\mathrm{Hg}\) ) isKCET 2012 Medium
- Which of the following is not a conductor of electricity?KCET 2018 Easy
- An oxygen containing organic compound was found to contain \(52 \%\) carbon and \(13 \%\) of hydrogen. Its vapour density is 23 . The compound reacts with sodium metal to liberate hydrogen. A functional isomer of this compound isKCET 2012 Hard
- Which of the following does not represent property stated against it?KCET 2021 Medium
More PYQs from KCET
- The correct statement regarding entropy is,KCET 2016 Easy
- For the reaction, \(\mathrm{PCl}_5 \longrightarrow \mathrm{PCl}_3+\mathrm{Cl}_2\), rate and rate constant are \(1.02 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}\) and \(3.4 \times 10^{-5} \mathrm{~s}^{-1}\) respectively at a given instant. The molar concentration of \(\mathrm{PCl}_5\) at that instant isKCET 2024 Medium
- If \(y=a \sin x+b \cos x\), then \(y^2+\left(\frac{d y}{d x}\right)^2\) is aKCET 2023 Easy
- Match the following select the correct option for the quantity of electricity, in \(\mathrm{Cmol}^{-1}\) required to deposit various metals at cathode
\begin{array}{|l|l|l|l|}\hline & List - I & & List- II \\\hline a & \mathrm{Ag}^{+} & i & 386000 \mathrm{Cmol}^{-1} \\\hline b & \mathrm{Mg}^{2+} & ii & 289500 \mathrm{Cmol}^{-1} \\\hline c & \mathrm{Al}^{3+} & iii & 96500 \mathrm{Cmol}^{-1} \\\hline d & \mathrm{Ti}^{4+} & iv & 193000 \mathrm{Cmol}^{-1} \\\hline\end{array}KCET 2025 Medium - Match the location of the cell given in Column I with its function is Column II.
Column I Column II (A) Mitochondrial matrix (i) Krebs' cycle (B) Cytoplasm (ii) ETC (C) \(F _0\) and \(F _1\) (iii) Glycolysis (D) Inner Mitochondrial membrane (iv) ATP synthesis KCET 2021 Easy - Four charges \(+q,+2 q,+q\) and \(-2 q\) are placed at the corners of a square \(A B C D\) respectively. The force on a unit positive charge kept at the centre \(O\) isKCET 2022 Easy