Module 5 - Equilibrium
Module 6 - Acids and Bases
Module 7 - Organic Chemistry
Module 8 - Applying Chemical Ideas
Mr K
100

The mathematical expression which relates the concentrations of products and reactants in a reversible reaction at equilibrium.

What is the equilibrium constant (Keq)?

100

This theory defines acids as proton donors and bases as proton acceptors.

What is the Brønsted-Lowry Theory?

100

The functional group present in all alcohols.

What is the hydroxyl group (-OH)?

100

The spectroscopic technique that can distinguish between isotopes of the same element based on mass-to-charge ratios.

What is mass spectrometry?

100

The year I started teaching.

What is 2026?

200
A reaction that shifts to the right (products) due to increase in temperature

What is an endothermic reaction?

200

The colour change observed when methyl orange is used in the titration of a strong acid with a weak base.

What is red to yellow/orange?

200

This term describes the process that turns ethene into polyethylene.

What is addition polymerisation?

200

A beard

What is the colloquial name for a carboxylic acid peak on an IR spectrum.

200

The year I was born.

What is 2002?

300

No effect, similar to concentration but unlike temperature.

What effect does changing pressure have on the equilibrium constant?

300

This property makes acetic acid a weaker acid than hydrochloric acid.

What is incomplete ionisation in water (lower Ka)?

300

Water and polyester

What are the products of the condensation polymerisation between alcohol and carboxylic acid monomers?

300

An orange / red flame and a white precipitate with Sulfate

What are the results of a flame and precipitation test for a Calcium ion (Ca2+)

300

My favourite topic when I studied Chemistry

What is saponification?

400
Keq = [H2O]2[N2] / [NO]2[H2]2


What is the equilibrium expression for the reaction 2NO(g) + 2H2(g) ⇌ 2H2O(g) + N2(g)

400

This is the calculated pH for a 0.25M solution of sulphuric acid (assuming complete dissociation?)

What is pH = 0.3?

400

The reagent used to oxidise a primary alcohol to an aldehyde under controlled conditions.

What is acidified potassium dichromate (K2Cr2O7)?

400

peak at 1800cm-1

What is the indication of a carbonyl group on an IR spectrum?

400

My childhood dream job

What is a Paleontologist.

500

The point on the graph which the concentration of H+ and OH- are the lowest causing least conductivity.

What is the equivalence point of a conductivity graph?

500

This is the pH of a 0.20 M solution of ammonia, given Kb = 1.8 × 10⁻⁵.

What is 11.28?

500

The reaction involving heating an ester with sodium hydroxide.

What is Saponification?

500

This principle in green chemistry aims to minimise waste by designing chemical syntheses that produce little or no by-products.

What is atom economy?

500

This is my middle name.

What is Daniel?