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?
Eight people are sitting in two parallel rows containing 4 people each in such a way that there is equal distance between adjacent persons. In row 1, D,...
Select the wrong term in the following number series:
9, 10, 19, 44, 93, 175
Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the one that is different.
Four of the following five are somehow similar and therefore create a group. Which of these is not related to this group?
BFJ, MQU, KPU, JNR, LPT
Select the option that is related to the third term in the same way as the second term is related to the first term.
Typhoid : Bacteria :: Influenza : ?
There is a family of six members. There are two married couples. X is a daughter of F, who has two children. F is the mother of Y. Y is the husband of ...
Six people C, D, E, K, L and M are each of a different height. E is shorter than only L. Only one person is shorter than C. K is shorter than D but tall...
Select the number from among the given options that can replace the question mark (?) in the following series.
612 615 621 630 642 ?
Three of the following pairs of letters follow a certain rule/logic/relation and hence are alike in a certain way. Select the incongruous one from the g...
Statements:
All notebooks are stationeries.
Some stationeries are pencils.
All pencils are costly.
Conclusions:
I...
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