Question

Pick out the correct statement.

a.

Reaction of NH₃ with HNO₃ to produce (NH₄)₂NO₃ is endothermic.

b.

With increase in NH₃/CO₂ ratio, urea yield decreases for a given temperature, pressure and total feed rate.

c.

Biuret (an intermediate during urea manufacture) is toxic to seeds and animals.

d.

both (b) and (c).

Answer: (b).With increase in NH₃/CO₂ ratio, urea yield decreases for a given temperature, pressure and total feed rate.

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Q. Pick out the correct statement.

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