JEE Main Chemistry question

Not in JEE or NEET syllabus

Which one of the following is not an application of green chemistry?

(A)Replacement of CFCs by as blowing agent in the manufacture of polystyrene foam sheets
(B)Reacting methylamine and phosgene to produce methyl isocyanateCorrect
(C)Replacement of organotins by 'sea-nine' as anti-fouling compound in sea marines
(D)Catalytic dehydrogenation of diethanolamine without using cyanide and formaldehyde

Answer: (B)

Solution

Producing methyl isocyanate from phosgene (itself a highly toxic reagent, and a precursor implicated in the Bhopal tragedy) is a hazardous process, not a green-chemistry success.

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-141982