HomeTestsSearchRankProfile
easyMCQChemistryChemistry
1 mark

Identify the structure of the compound whose IUPAC name is 3-Ethyl-2-hydroxy-4-methylhex-3-en-5-ynoic acid.

  1. A
    Structure with 5 carbon main chain
  2. B
    Structure with 6 carbon main chain, carboxylic acid at C1, -OH at C2, ethyl at C3, methyl at C4, double bond at C3, triple bond at C5
  3. C
    Structure with hydroxy at C3
  4. D
    Structure with methyl at C3

Solution & Step-by-step Explanation

Breakdown of the name:hex-3-en-5-ynoic acid: 6 carbons, -COOH at C1, double bond starting at C3, triple bond starting at C5.2-hydroxy: -OH group at C2.3-ethyl: Ethyl group at C3.4-methyl: Methyl group at C4.Following the priority rules (Carboxylic acid is #1), Option B matches this configuration.

Practice this question

Try it yourself before checking the explanation above.

Identify the structure of the compound whose IUPAC name is 3-Ethyl-2-hydroxy-4-methylhex-3-en-5-ynoic acid.
A
Structure with 5 carbon main chain
B
Structure with 6 carbon main chain, carboxylic acid at C1, -OH at C2, ethyl at C3, methyl at C4, double bond at C3, triple bond at C5
C
Structure with hydroxy at C3
D
Structure with methyl at C3

Share This Question

OrganicNomenclature

Related Questions

mediumMCQ

Which of the following statements are true?A. Unlike Ga that has a very high melting point, Cs has a very low melting point.B. On Pauling scale, the electronegativity values of N and Cl are not the same.C. Ar, K^+, Cl^-, Ca^2+ , and S^2- are all isoelectronic species.D. The correct order of the first ionization enthalpies of Na, Mg, Al, and Si is Si > Al > Mg > Na.E. The atomic radius of Cs is greater than that of Li and Rb.Choose the correct answer from the options given below:

mediumMCQ

Match List I with List IIList I (Ion)A. Co^2+ B. Mg^2+ C. Pb^2+ D. Al^3+ List II (Group Number in Cation Analysis)I. Group-III. Group-IIIIII. Group-IVIV. Group-VIChoose the correct answer from the options given below:

hardMCQ

Predict the major product 'P' in the following sequence of reactions:

hardMCQ

Which of the following are paramagnetic?A. [NiCl_4]^2- B. Ni(CO)_4 C. [Ni(CN)_4]^2- D. [Ni(H_2O)_6]^2+ E. Ni(PPh_3)_4 Choose the correct answer from the options given below:

mediumMCQ

Given below are two statements:Statement I: Like nitrogen that can form ammonia, arsenic can form arsine.Statement II: Antimony cannot form antimony pentoxide.In the light of the above statements, choose the most appropriate answer from the options given below:

easyMCQ

Consider the following compounds: _2 , H_2_2 and H_2_4 . The oxidation states of the underlined elements in them are, respectively:

Ready for a Full Test?

Practice with timed mock tests and track your performance across Chemistry.

Browse TestsLeaderboard

Discussion