NEET Chemistry: Organic Chemistry Some Basic Principles and Techniques — Practice Set 15
Q1. Which compound exhibits chain isomerism with \( \ce{CH3CH2CH2CH3} \)?
A. \( \ce{CH3CH(CH3)CH3} \)
B. \( \ce{CH3CH2CH2OH} \)
C. \( \ce{CH3CH=CH2} \)
D. \( \ce{CH3CH2CH3} \)
Q2. Which carbocation is most likely to rearrange to a more stable form if formed from \( \ce{CH3CH2CH2CH2CH2Cl} \) via heterolytic cleavage?
A. \( \ce{CH3CH2CH2CH2+} \)
B. \( \ce{CH3CH2+} \)
C. \( \ce{CH3CH2CH2CH+CH3} \)
D. \( \ce{CH3C+(CH3)CH2CH3} \)
Q3. In the estimation of sulphur, 0.25 g of a compound gave 0.583 g of \( \ce{BaSO4} \). What is the percentage of sulphur?
A. 28%
B. 30%
C. 32%
D. 34%
Q4. Which electrophile is most likely to attack the double bond in \( \ce{CH3CH=CHCH3} \) to form a stable carbocation?
A. \( \ce{Cl+} \)
B. \( \ce{NO2+} \)
C. \( \ce{CH3+} \)
D. \( \ce{H+} \)
Q5. Which of the following is a characteristic of a homologous series?
A. Same molecular formula
B. Differ by \( \ce{-CH2-} \) unit
C. Different functional groups
D. Same boiling point
Q6. In the estimation of sulphur and carbon, 0.2 g of a compound gave 0.466 g of \( \ce{BaSO4} \) and 0.44 g of \( \ce{CO2} \). What is the mass ratio of sulphur to carbon?
A. 1:2
B. 2:3
C. 8:15
D. 3:4
Q7. Which species is least likely to act as a nucleophile in a reaction with \( \ce{CH3CH2Cl} \)?
A. \( \ce{OH^-} \)
B. \( \ce{NH3} \)
C. \( \ce{CH3CH2+} \)
D. \( \ce{CN^-} \)
Q8. In the Carius method, 0.18 g of a compound gave 0.287 g of \( \ce{AgCl} \). What is the percentage of chlorine?
A. 38%
B. 39%
C. 40%
D. 41%
Q9. Which type of bond cleavage produces free radicals?
A. Heterolytic
B. Ionic
C. Homolytic
D. Electrophilic
Q10. In the estimation of hydrogen, 0.2 g of a compound gave 0.09 g of \( \ce{H2O} \). What is the percentage of hydrogen?
A. 4%
B. 6%
C. 7%
D. 5%
Chemistry — Organic Chemistry Some Basic Principles and Techniques
Set 15 of 20
15:00
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