NEET Chemistry: Organic Chemistry Some Basic Principles and Techniques — Practice Set 18

Q1. In the estimation of carbon, 0.25 g of an organic compound produced 0.66 g of \( \ce{CO2} \). What is the percentage of carbon in the compound?

Q2. Which of the following is a nucleophile?

Q3. How many \( \pi \) bonds are present in \( \ce{HC#C-CH=CH2} \)?

Q4. Which technique is used to purify an organic liquid with a boiling point significantly different from its impurities?

Q5. Which type of bond cleavage occurs when \( \ce{Br-Br} \) splits into \( \ce{Br+} \) and \( \ce{Br-} \)?

Q6. Which of the following has the highest boiling point?

Q7. Which purification technique relies on the differential solubility of components in two immiscible liquids?

Q8. A compound with molecular formula \( \ce{C5H10} \) exhibits position isomerism with \( \ce{CH3CH2CH2CH=CH2} \) and has a terminal double bond. What is its structure?

Q9. In the estimation of carbon and hydrogen, 0.27 g of a compound gave 0.792 g of \( \ce{CO2} \) and 0.324 g of \( \ce{H2O} \). What is the percentage of carbon?

Q10. Which of the following is an electrophile?

Chemistry — Organic Chemistry Some Basic Principles and Techniques

Set 18 of 20

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In the estimation of carbon, 0.25 g of an organic compound produced 0.66 g of \( \ce{CO2} \). What is the percentage of carbon in the compound?