Quick questions on Reactions of ions in aqueous solution: acidity of aqua ions and precipitate tests - AQA A-Level Chemistry

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?

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Write an equation for the first acid dissociation of

[Al(H_2O)_6]^{3+}

in water. [2 marks]

What is q2?

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State the colour of the precipitate formed when

NaOH

is added to a solution of

Fe^{3+}

. [1 mark]

What is q3?

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Explain how you would distinguish

Al^{3+}

from

Fe^{3+}

using sodium hydroxide. [2 marks]

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