Solubility of carboxylic acids decreases in water with increase in molar mass because:
Correct answer: B. bigger molecules have bigger non-polar groups
- A. Bigger molecules are more polar
- B. bigger molecules have bigger non-polar groups
- C. bigger molecules make more hydrogen bonds
- D. bigger molecules can form lesser hydrogen bonds/molecule
Explanation
The correct explanation for the decrease in solubility of carboxylic acids in water with an increase in molar mass is that the bigger molecules have bigger non-polar groups. As the molar mass increases, carboxylic acids tend to have larger hydrocarbon (non-polar) groups, which reduces their overall polarity and makes them less soluble in water.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Carboxylic Acids
Carboxylic acids are named and studied through the combined effects of the carbonyl and hydroxyl groups, their preparation, acidity and hydrogen bonding. Reactions include neutralisation, esterification, reduction and conversion into acid chlorides, anhydrides, esters and amides, with emphasis on how these derivatives interconvert.
Practise Carboxylic Acids
552 free Carboxylic Acids MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Chemistry questions like this
Chemistry is on 14 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Carboxylic Acids questions
Which compound shows the highest melting point:
Ethanenitrile can be converted into ethanoic acid through_intermediate:
The highest melting point is observed by:
The formation of acetic anhydride from acetic acid follows the mechanism:
Carboxylic acid is more acidic than phenol because of the greater stability of:
Molar mass of formic acid in benzene comes out to be: