Question: Which haloalkane is least soluble in water?
Options:
Chloroethane
Bromoethane
Iodoethane
Fluoroethane
Correct Answer: Iodoethane
Solution:
Iodoethane is least soluble in water due to its larger non-polar iodine atom, which decreases the overall polarity of the molecule.
Which haloalkane is least soluble in water?
Practice Questions
Q1
Which haloalkane is least soluble in water?
Chloroethane
Bromoethane
Iodoethane
Fluoroethane
Questions & Step-by-Step Solutions
Which haloalkane is least soluble in water?
Step 1: Understand what haloalkanes are. Haloalkanes are organic compounds that contain carbon, hydrogen, and halogen atoms (like iodine, bromine, chlorine, or fluorine).
Step 2: Know that solubility in water depends on polarity. Polar molecules tend to dissolve well in water, while non-polar molecules do not.
Step 3: Identify the haloalkanes being compared. In this case, we are looking at iodoethane and other haloalkanes.
Step 4: Recognize that iodoethane contains iodine, which is a large and non-polar atom.
Step 5: Understand that the presence of the large non-polar iodine atom makes iodoethane less polar overall.
Step 6: Conclude that because iodoethane is less polar, it is less soluble in water compared to other haloalkanes that have smaller or more polar halogen atoms.
No concepts available.
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