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Which of the following float over water?
  • a)
    1-chlorobutane
  • b)
    1-fluorobutane
  • c)
    1-bromobutane
  • d)
    1-iodobutane
Correct answer is option 'A,B'. Can you explain this answer?
Verified Answer
Which of the following float over water?a)1-chlorobutaneb)1-fluorobuta...
Chloro and fluoro alkanes are less dense than water while bromo and iodoalkane are more denser than water.
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Which of the following float over water?a)1-chlorobutaneb)1-fluorobuta...
Properties of Organic Compounds
Organic compounds can have different physical properties based on their chemical structure. In this case, we are looking for compounds that float over water.

1-chlorobutane
- 1-chlorobutane is less dense than water, so it will float on the surface of water.
- The presence of a chlorine atom in 1-chlorobutane contributes to its lower density compared to water.

1-fluorobutane
- Similar to 1-chlorobutane, 1-fluorobutane is less dense than water and will float on its surface.
- The fluorine atom in 1-fluorobutane also contributes to its lower density.

1-bromobutane and 1-iodobutane
- On the other hand, 1-bromobutane and 1-iodobutane are more dense than water.
- The presence of larger bromine and iodine atoms in these compounds increases their molecular weight, making them sink in water.
Therefore, only 1-chlorobutane and 1-fluorobutane will float over water, while 1-bromobutane and 1-iodobutane will sink.
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Which of the following float over water?a)1-chlorobutaneb)1-fluorobutanec)1-bromobutaned)1-iodobutaneCorrect answer is option 'A,B'. Can you explain this answer?
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