A-LevelChemistryChemical periodicity9701/12 · Oct/Nov 2019 · Q351 Mark

Silicon forms a tetrachloride, SiCl₄. Which statements are correct? 1 In SiCl₄, the Si is δ+ and each Cl is δ-. 2 SiCl₄ is a liquid at room temperature. 3 SiCl₄ reacts with water to give an acidic solution and a precipitate.

A1, 2 and 3 are correct

B1 and 2 only are correct

C2 and 3 only are correct

D1 only is correct

✓ Correct answer

A: 1, 2 and 3 are correct

Oracle Prep sorts past-paper questions by topic, so you can drill Chemical periodicity and see which topics are most likely to come up next.

Topic: Chemical periodicity, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2019 Paper 1 Variant 2, question 35.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

A sample containing x mol of Al₂Cl₆ is dissolved in water to give solution W. In order to precipitate all of the alum…

The first ionisation energy of potassium, K, is 418 kJ mol⁻¹. The first ionisation energy of strontium, Sr, is 548 kJ…

A student investigated the chloride of a Period 3 element. This is what the student wrote down as a record. "The comp…

Alcohols, aldehydes and nitriles can each be converted into carboxylic acids. Which descriptions of their conversions…

How many structural isomers with the molecular formula C₄H₁₀O give infra-red absorptions both at approximately 1200 c…

Compound Q contains 40% carbon by mass. What could Q be? 1 glucose, C₆H₁₂O₆ 2 starch, (C₆H₁₀O₅)n 3 sucrose, C₁₂H₂₂O₁₁