
(a)
Interpretation:
The chiral carbon(s) in naproxen needs to be determined.
Concept introduction:
For the carbon atom to be chiral, it must be connected to four different atoms or group of atoms.
The point about which compound is non-superimposable on it mirror image is known as chiral centre.
(b)
Interpretation:
Whether naproxen is aromatic or not should be discussed.
Concept introduction:
The compound or molecule is aromatic when:
- It is planar.
- It is cyclic.
- Resonance must be present all over the ring.
- According to Huckel rule, the compound is known as aromatic if it has (4n+2)( electrons.
(c)
Interpretation:
The resonance structure of naproxen is to be drawn.
Concept introduction:
Resonance shows the delocalization of ( electrons in compounds. It is a method which describes the bonding in molecules with the help of various contributing structures known as resonance structures.
(d)
Interpretation:
The sites which can exhibit hydrogen bonding with receptor site is to be circled,
Concept introduction:
Hydrogen bonding is defined as the electrostatic force of attraction between very electronegative atoms (O, F, and N) and hydrogen atoms. It is of two types:
- Inter-molecular hydrogen bonding,
- Intra-molecular hydrogen bonding.

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Chapter 23 Solutions
CHEMISTRY-TEXT
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- 2. Draw the missing structure(s) in each of the following reactions. The missing structure(s) can be a starting material or the major reaction product(s). C5H10 Br H-Br CH2Cl2 + enant.arrow_forwardDraw the products of the stronger acid protonating the other reactant. KEq H₂C-O-H H3C OH Product acid Product basearrow_forwardDraw the products of the stronger acid protonating the other reactant. OH KEq CH H3C H3C `CH3 Product acid Product basearrow_forward
- 2. Draw the missing structure(s) in each of the following reactions. The missing structure(s) can be a starting material or the major reaction product(s). Ph H-I CH2Cl2arrow_forward3 attempts left Check my work Draw the products formed in the following oxidative cleavage. [1] 03 [2] H₂O draw structure ... lower mass product draw structure ... higher mass productarrow_forward2. Draw the missing structure(s) in each of the following reactions. The missing structure(s) can be a starting material or the major reaction product(s). H-Br CH2Cl2arrow_forward
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