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Chapter 4: Problem 33

Mesityloxide is (A) CC(=O)C=C(C)C (B) C=C(C)C(=O)CC (C) C=CC(=O)C(C)C (D) CC(C)=CC(=O)C=C(C)C

Short Answer

Expert verified
Mesityloxide is represented by structure (C) C=CC(=O)C(C)C.

Step by step solution

01

Identify the Ketone Group in Each Structure

: Using the SMILES notation, we have to identify the ketone group, which is represented as (C=O). Here are the structures with their ketone groups highlighted: (A) CC(=O)C=C(C)C (B) C=C(C)C(=O)CC (C) C=CC(=O)C(C)C (D) CC(C)=CC(=O)C=C(C)C
02

Identify the Pentene Backbone in Each Structure

: Next, look for the pentene backbone in each structure. We are looking for a double bond (C=C) and chains of 5 carbons in total. (A) CC(=O)C=C(C)C (B) C=C(C)C(=O)CC (C) C=CC(=O)C(C)C (D) CC(C)=CC(=O)C=C(C)C
03

Identify the Methyl Group at Carbon 4

: Now we need to find the structure with a methyl group (C) connected to the fourth carbon. (A) CC(=O)C=C(C)C (B) C=C(C)C(=O)CC (C) C=CC(=O)C(C)C (D) CC(C)=CC(=O)C=C(C)C
04

Identify the Correct Structure of Mesityloxide

: Now let's match our findings with the correct structure for mesityloxide, which has a ketone group at carbon 2, a double bond (pentene) within the 5-carbon chain, and a methyl group at carbon 4. After analyzing the given structures in the SMILES notation, we can see that the correct structure for mesityloxide is: (C) C=CC(=O)C(C)C Answer: Mesityloxide is represented by structure (C).

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Most popular questions from this chapter

consider the following sequence of reactions. CC(C)C(=O)CN (A) $\frac{\text { (i) } \mathrm{LiAlH}_{4}}{\text { (ii) } \mathrm{H}_{2} \mathrm{O}}{\longrightarrow}(\mathrm{B})$ The final product (B) is (A) CNC(C)(O)C(C)C (B) [X][M]C(C)C(C)C (C) CC(C)NC(C)C(C)C (D) CN=C(C)C(C)Br

Which of the following reagents would convert both acetaldehyde and acetone to the corresponding alkanes? (A) \(\mathrm{NaBH}_{a}\) (B) \(\mathrm{LiAlH}_{4}\) (C) \(\mathrm{Na} / \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\) (D) \(\mathrm{Zn}-\mathrm{Hg} / \mathrm{conc} \cdot \mathrm{HCl}\)

Change in oxidation state of \(\mathrm{Cr}\) during oxidation of isopropanol into acetone by \(\mathrm{CrO}_{3} / \mathrm{H}_{2} \mathrm{SO}_{4}\) : (A) 2 (B) 3 (C) 4 (D) 5

The unknown product ' \(\mathrm{Q}\) ' in following reaction is : (A) CC(C)N (B) CC(C)CN (C) \(\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}_{2}-\mathrm{NH}_{2}\) (D) \(\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}=\mathrm{NH}\)

During oxidation of \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\) with \(\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} / \mathrm{H}^{\oplus}, \Delta\) species which does not oxidises is: (A) \(\mathrm{CH}_{3}-\mathrm{CH}_{2} \mathrm{OH}\) (B) \(\mathrm{Cr}(\mathrm{IV})\) (C) \(\operatorname{Cr}(\mathrm{V})\) (D) \(\mathrm{CH}_{3} \mathrm{CH}(\mathrm{OH})_{2}\)
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