A) (i) and (iii)
B) (iii) and (iv)
C) (i) and (ii)
D) (ii) and (iv)
Correct Answer: C
Solution :
Methyl isocyanate \[MIC\,\,\,(C{{H}_{3}}NCO)\] is industrially prepared by the reaction of methyl amine and phosgene (carbonyl chloride) \[\underset{Methyl\,a\min e}{\mathop{C{{H}_{3}}N{{H}_{2}}}}\,+\underset{Phosgene}{\mathop{COC{{l}_{2}}}}\,\xrightarrow{-HCl}[C{{H}_{3}}NH-CO-Cl]\] \[\xrightarrow[-HCl]{\Delta }\underset{Methyl\,isocyanate}{\mathop{C{{H}_{3}}N=C=O}}\,\] On the night of Dec. 2, 1984, a major gas tragedy struck Bhopal due to leakage of MIC from storage tank of Union Carbide Ltd. Plant, MIC was used in the manufacture of insecticide.
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