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Atoms and reactions

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Question 16
67%

Which statement about ammonium sulfate is not correct?

A

It reacts with Ba(NO3)2(aq)\text{Ba(NO}_3)_2\text{(aq)}Ba(NO3​)2​(aq) to form a white precipitate.

B

It can be prepared by reacting dilute sulfuric acid with aqueous ammonia.

C

It releases an alkaline gas with warm NaOH(aq)\text{NaOH(aq)}NaOH(aq).

D

It has the formula NH4SO4\text{NH}_4\text{SO}_4NH4​SO4​.

Markscheme

Atoms and reactions Questions

  1. A Level
  2. /Chemistry
  3. /Atoms and reactions

199 exam-style questions on OCR A A Level Chemistry Atoms and reactions, covering Atomic structure and isotopes, Compounds, formulae and equations, Amount of substance, Acids, and Redox. Each one has a worked solution and a mark scheme showing where the marks go.

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