A. an hydrous CaCl4
B. concentrated NaCO4
C. dilute NaOH
D. concentrated H2SO4
Correct Answer:
Option D – concentrated H2SO4
Explanation
Esters are produced when carboxylic acids are heated with alcohol in the presence of an acid catalyst. The catalyst is usually concentrated sulphuric acid
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![Water of mass 120g at 50°C is added to 200g of water at 10°C and the mixture is well stirred. Calculate the temperature of the mixture. [Neglect heat losses to the surrounding]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "Water of mass 120g at 50°C is added to 200g of water at 10°C and the mixture is well stirred. Calculate the temperature of the mixture. [Neglect heat losses to the surrounding]")