O-LevelChemistryStoichiometry5070/11 · Oct/Nov 2023 · Q81 Mark

Compound Y is the only substance formed when 500 cm³ of ammonia reacts with 250 cm³ of carbon dioxide. All measurements are at r.t.p. What is the formula of Y?

A(NH4)2CO3

BNH2COONH4

C(NH2)2CO

DNH4COONH4

✓ Correct answer

B: NH2COONH4

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Topic: Stoichiometry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2023 Paper 1 Variant 1, question 8.

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