Which of the following has highest octane number…………
A) n-hexane
B) n-heptane
C) n-pentane
D) 2, 2, 4-trimethyl pentane
Correct Answer:
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Q8: In the reaction CH3- Br+ 2Na+ Br-CH3
Q9: Iodoethane reacts with sodium in the presence
Q10: Which of the following is oxidised by
Q11: The most volatile compound is……….
A)2, 2-dimethyl propane
B)2-methyl
Q12: In Wurtz reaction, the reagent used is………..
A)Na
B)liquid
Q14: What is freon-12…….
A)Pesticide
B)Refrigerant
C)Solvent
D)Lubricant
Q15: The petrol having octane number 80 has…………
A)20%
Q16: Which of the following shows only one
Q17: Kerosene is used as fuel because it
Q18: Which of the following statements is not
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