Question
In the synthesis of aspirin (acetylsalicylic acid) from
salicylic acid, which reagent is used?Solution
Aspirin is synthesized by reacting salicylic acid with acetic anhydride in the presence of a catalyst (such as concentrated sulfuric acid). Acetyl chloride could theoretically work but is less commonly used due to its reactivity and cost.In the synthesis of aspirin (acetylsalicylic acid) from salicylic acid, which reagent is used?
Select the most appropriate antonym of the given word.
Derision
- Each of the following questions consists of two words which have a relationship to each other. This is followed by four pairs of related words. Choose the ...
- Choose the alternative which is closest to the opposite in meaning of the bold word in the sentence.
Peter ate heartily with a quip about being a c... - Choose the word opposite in meaning to the bold word.
Luminous A) Certain B) Velocity C) Slowness D) Settled
- Choose the alternative which is closest to the opposite in meaning of the bold word in the sentence.
The politician's cryptic response left the rep... Austerity
Loss of appetite
Choose the word opposite in meaning to the given word:
Sparse
INURE