
(a)
Interpretation:
An equation for the reaction that took place in the tank of methyl isocyanate with water (Bhopal gas accident) and an explanation for the rose in pressure and temperature dramatically are to be stated.
Concept introduction:
At
(b)
Interpretation:
A mechanism for the reaction that took place in the tank of methyl isocyanate with water in the Bhopal gas accident is to be stated.
Concept introduction:
A mechanism of the reaction between methyl isocyanate and water comprises two steps. The first step is nucleophilic attack of water molecule on the carbonyl carbon followed by formation of an acid. The second step is cleavage of the bond between carbonyl carbon and nitrogen by deprotonation of acid and protonation of
(c)
Interpretation:
An alternative synthesis of Sevin is to be stated.
Concept introduction:
Diethyl carbonate is an ester (prepared from carbonic acid and ethanol). It is a liquid reagent that is easy to handle. However, phosgene is a corrosive and highly toxic. Diethyl carbonate successfully replaces phosgene in the synthesis of Lexan and Sevin.

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Chapter 21 Solutions
Organic Chemistry, Books a la Carte Edition (9th Edition)
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