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A-LevelChemistryIntroduction to organic chemistryOct/Nov 2009Paper 1 Q181 Mark

In an historically famous experiment Wöhler heated 'inorganic' ammonium cyanate in the absence of air. The only product of the reaction was 'organic' urea, CO(NH2)2. No other products were formed in the reaction. What is the formula of the cyanate ion present in ammonium cyanate?

ACNO⁻
BCNO2⁻
CCO⁻
DNO⁻

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About This A-Level Chemistry Question

This multiple-choice question appeared in the Cambridge A-Level Chemistry (9701) Oct/Nov 2009 examination, Paper 1 Variant 2. It tests the topic of Introduction to organic chemistry and is worth 1 mark.

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