Which of the following chemicals are used to manufacture methy1 isocyanate that caused Bhopal Tragedy ?
Methylamine
(ii) Phosgene
(iii) Phosphine (iv) Dimethylamine .

Options

A. (i) and (iii)
B. (iii) and (iv)
C. (i) and (ii)
D. (ii) and (iv)

Answer

C

Explanation

Methyl isocyanate is industrially prepared by the action of methyl amine with phosgene.
`CH_(3)NH_(2) + COCl_(2) overset(-HCl)rarr [CH_(3)NH- CO- Cl] underset(-HCl)overset(Delta)rarr underset("Methyl isocyanate")(CH_(3)- N= C= O)`