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Edexcel IAL Chemistry 8.14 Group 1 and 2 oxides and hydroxides

For the one directly tagged task, identify the oxide reacting with water from the solid dissolving or warming and name the resulting hydroxide solution.

Syllabus
First assessment 2019
Course
Chemistry YCH11
Level
AS

Exam points

  • Identify the hydroxide formed when a Group 1 or 2 oxide reacts with water from observations.

8.14—The reactions of: i oxides of Group 1 and 2 elements with water and dilute acid ii hydroxides of Group 1 and 2 elements question 1

[Maximum number: 2]

This question is about some compounds of strontium.

Anhydrous strontium nitrate decomposes at 570∘C570^{\circ} \mathrm{C}.

Sr(NO3)2( s)→SrO( s)+2NO2( g)+1/2O2( g)\mathrm{Sr}\left(\mathrm{NO}_{3}\right)_{2}(\mathrm{~s}) \rightarrow \mathrm{SrO}(\mathrm{~s})+2 \mathrm{NO}_{2}(\mathrm{~g})+1 / 2 \mathrm{O}_{2}(\mathrm{~g})

The solid residue from the decomposition was added to distilled water.

Give one observation for the reaction that takes place, identifying the product of the reaction by name or formula.

Observation

Product

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