NEET Chemistry: Organic Chemistry Some Basic Principles and Techniques — Practice Set 17

Q1. In Lassaigne’s test, an organic compound gives a Prussian blue color and a yellow precipitate with \( \ce{AgNO3} \). What elements are present?

Q2. What is the IUPAC name of \( \ce{CH3CH2CH2CHO} \)?

Q3. What is the shape of the molecule \( \ce{CH3CH=CH2} \) around the double-bonded carbon atoms?

Q4. A compound with \( \ce{C5H10O} \) gives no precipitate with \( \ce{AgNO3} \) in Lassaigne’s test and has a degree of unsaturation of 1. What functional group is present?

Q5. In the Dumas method, 0.3 g of a compound gave 70 mL of \( \ce{N2} \) at STP. What is the percentage of nitrogen?

Q6. Which type of isomerism is exhibited by \( \ce{CH3CH2OH} \) and \( \ce{CH3OCH3} \)?

Q7. How many structural isomers are possible for the molecular formula \( \ce{C4H10} \)?

Q8. Which free radical is most stable if formed from \( \ce{CH3CH2CH2CH2CH3} \) via homolytic cleavage?

Q9. Which of the following is an electrophile?

Q10. Which technique separates components based on their ability to sublime?

Chemistry — Organic Chemistry Some Basic Principles and Techniques

Set 17 of 20

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In Lassaigne’s test, an organic compound gives a Prussian blue color and a yellow precipitate with \( \ce{AgNO3} \). What elements are present?