Esters can be formed by heating carboxylic acids and alcohols in the presence of?
- Correct Answer: an acid catalyst
- an oxygen catalyst
- a nuclear catalyst
- an carbon catalyst
Explanation: Esters can be formed by heating carboxylic acids and alcohols in the presence of an acid catalyst. This process is reversible, and the starting materials can be regenerated by reacting an ester with water in the presence of a weak base.
More Random Questions
Q: Which medal has Sudarshan Patnaik won in the International Sand Sculpture Championship on July 16, 2024?
Ans: Gold
Ans: Gold
Q: In Rasa Ratna Samuchchaya, which Bhasma is prepared using Yashada?
Ans: Yashada Bhasma
Ans: Yashada Bhasma
Q: What does a dashed white line on the road mean?
Ans: Lane change allowed
Ans: Lane change allowed
Q: Which modern drug is an example of an antimalarial?
Ans: Chloroquine
Ans: Chloroquine
Q: Which fluid is used in a vehicle’s manual clutch?
Ans: Brake fluid
Ans: Brake fluid
Q: What growth rate was projected for U.S. advertising in 2025?
Ans: 2.1%
Ans: 2.1%
Q: What was a major concern for Americans regarding tariffs in March 2025?
Ans: Lower prices
Ans: Lower prices
Q: What evidence shows early use of fire?
Ans: Hearths
Ans: Hearths
Q: Like mammals, birds have kidneys with juxtamedullary nephrons that specialize in conserving what?
Ans: water
Ans: water
Q: How often should the transmission fluid be replaced?
Ans: Every 50,000–80,000 km
Ans: Every 50,000–80,000 km
Q: Who has been declared the world's busiest airport on April 16, 2024?
Ans: Hartsfield Jackson Atlanta International Airport
Ans: Hartsfield Jackson Atlanta International Airport
Q: Which barrage regulates the Ganga’s flow in Bihar?
Ans: Farakka Barrage
Ans: Farakka Barrage
Q: How many bases does dna have in total?
Ans: four
Ans: four
Q: A patient with placenta accreta undergoes a cesarean hysterectomy. Which maternal complication is most likely?
Ans: Hemorrhage
Ans: Hemorrhage
Q: Who led the Santhal Rebellion of 1855–56?
Ans: Sidhu and Kanhu Murmu
Ans: Sidhu and Kanhu Murmu