Download App

Organic Chemistry: Some Basic Principles and Techniques — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryOrganic Chemistry: Some Basic Principles and Techniques1 Mark
MCQ
The $\text{IUPAC}$ name of the molecule :
$\ \ \ \ \ \ \ \ \ \ \ \ \ \text{O}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{O}\\\ \ \ \ \ \ \ \ \ \ \ \ \ ||\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ||\\\text{CH}_3-\text{C}-\text{C}=\text{C}-\text{C}-\text{OH}\ \text{is }\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\ \ \ \ \ \ \ |\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{CH}_3 \ \text{CH}_3$
  • A
    $4-$ oxo $-2,3-$ dimethyl pent $-2-$ en $-1-$ oic acid.
  • B
    $2-$ carboxy $-3-$ methyl pent $-2-$ en $-3-$ one.
  • C
    $4-$ carboxy $-3-$ methyl pent $-3-$ en $-2-$ one.
  • ✓
    $2,3-$ Dimethyl $-4-$ oxo $-$ pent $-2-$ en $-1-$ oic acid.
✓

Answer

Correct option: D.
$2,3-$ Dimethyl $-4-$ oxo $-$ pent $-2-$ en $-1-$ oic acid.
$-\ce{COOH}$ is given more preference over keto, prefix for ketone group is oxo.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Organic Chemistry: Some Basic Principles and Techniques→Organic Chemistry: Some Basic Principles and Techniques — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Which of the following repersents same configuration as given molecule
→
Which of the following is electrophilic in nature ?
→
Match List$-I$ with List$-II$

List$-I$

(Si-Compounds)

List$-II$

(Si-Polymeric/other products)
$(A)$ $\left( CH _{3}\right)_{4} Si$ $(I)$ Chain silicone
$(B)$ $\left( CH _{3}\right) Si ( OH )_{3}$ $(II)$ Dimeric silicone
$(C)$ $\left( CH _{3}\right)_{2} Si ( OH )_{2}$ $(III)$ Silane
$(D)$ $\left( CH _{3}\right)_{3} Si ( OH )$ $(IV)$ $2 D$ - Silicone

Choose the correct answer from the options given below

→
Which of the following set of quantum number is impossible for an electron ?
→
The equilibrium concentrations of the species in the reaction $A + B \rightleftharpoons C + D$ are $2,3,10$ and $6\,mol\,L-1$, respectively at $300\,K . \Delta G ^{\circ}$ for the reaction is ( $\left.R =2\,cal / mol\, K \right)$
→
Which of the following isoelectronic series would lose an electron most easily ?
→
The density (in $g\, mL^{-1}$) of a $3.60\, M$ sulphuric acid solution that is $29\%$ $H_2SO_4$ (molar mass $= 98\, g\, mol^{- 1}$) by mass will be
→
Increasing order of ionic size for the ions, $F^-, O^{2-},Na^+, Al^{3+}$ is :-
→
An alkane has molecular mass 72 on its chlorination only 1 -monochloro derivative is formed. The alkane is :
→
The correct order of bound orders of $C _{2}^{2-}, N _{2}^{2-}$ and $O _{2}^{2-}$ is, respectively.
→