Organic Reactions & Conversions · JEE Advanced previous year questions

2023 3 questions

1. Q362023 · 4 Jun 2023 · Paper 1· One or more correct
   
   1. A.Both $\mathbf{P}$ and $\mathbf{Q}$ have asymmetric carbon(s).
   2. B.Both $\mathbf{Q}$ and $\mathbf{R}$ have asymmetric carbon(s).
   3. C.Both $\mathbf{P}$ and $\mathbf{R}$ have asymmetric carbon(s).
   4. D.$\mathbf{P}$ has asymmetric carbon(s), $\mathbf{S}$ does not have any asymmetric carbon.
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   Answer: C, D

2. Q372023 · 4 Jun 2023 · Paper 1· One or more correct
   
   1. A.$\mathbf{Q}:{\mathrm{C}}_6{\mathrm{H}}_5\mathrm{CH}(\mathrm{Cl})\mathrm{COOH}$, $\mathbf{R}:{\mathrm{C}}_6{\mathrm{H}}_5\mathrm{C}{\mathrm{H}}_2\mathrm{C}{\mathrm{H}}_2\mathrm{CON}{\mathrm{H}}_2$, $\mathbf{S}:4-(3-\mathrm{amino}-3-\mathrm{oxopropyl})\mathrm{benzenesulfonic}\mathrm{acid}$
   2. B.$\mathbf{Q}:{\mathrm{C}}_6{\mathrm{H}}_5\mathrm{CH}(\mathrm{Cl})\mathrm{COOH}$, $\mathbf{R}:{\mathrm{C}}_6{\mathrm{H}}_5\mathrm{C}{\mathrm{H}}_2\mathrm{C}{\mathrm{H}}_2\mathrm{COOH}$, $\mathbf{S}:\text{1-indanone}$
   3. C.$\mathbf{Q}:{\mathrm{C}}_6{\mathrm{H}}_5\mathrm{C}{\mathrm{H}}_2\mathrm{COCl}$, $\mathbf{R}:{\mathrm{C}}_6{\mathrm{H}}_5\mathrm{C}{\mathrm{H}}_2\mathrm{C}{\mathrm{H}}_2\mathrm{COOH}$, $\mathbf{S}:\text{1-indanone}$
   4. D.$\mathbf{Q}:{\mathrm{C}}_6{\mathrm{H}}_5\mathrm{C}{\mathrm{H}}_2\mathrm{COCl}$, $\mathbf{R}:{\mathrm{C}}_6{\mathrm{H}}_5\mathrm{C}{\mathrm{H}}_2\mathrm{C}{\mathrm{H}}_2\mathrm{CON}{\mathrm{H}}_2$, $\mathbf{S}:4-(3-\mathrm{amino}-3-\mathrm{oxopropyl})\mathrm{benzenesulfonic}\mathrm{acid}$
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   Answer: B

3. Q472023 · 4 Jun 2023 · Paper 1· Numerical answer
   
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   Answer: 28