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A-LevelChemistryIntroduction to organic chemistry9701/12 · Oct/Nov 2018 · Q191 Mark

If ammonium cyanate is heated in the absence of air, the only product of the reaction is urea, CO(NH2)2. No other products are formed in the reaction. What is the formula of the cyanate ion present in ammonium cyanate?

ACON2⁻
BCON2²⁻
COCN⁻
DOCN²⁻

✓ Correct answer

C: OCN⁻

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About this question

Topic
Introduction to organic chemistry, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, Oct/Nov 2018 Paper 1 Variant 2, question 19.

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