Skip to content

Course home

1.1 Formulae, equations and hazards

1.1 Formulae, equations and hazards

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163
Question 13

An ammonium ion has the formula NH4+\text{NH}_4^+NH4+​.

A hydroxide ion has the formula OH−\text{OH}^-OH−.

Which of the following is the correct formula for ammonium hydroxide?

A

NH4OH\text{NH}_4\text{OH}NH4​OH

B

(NH4)2OH(\text{NH}_4)_2\text{OH}(NH4​)2​OH

C

NH4(OH)2\text{NH}_4(\text{OH})_2NH4​(OH)2​

D

(NH4OH)2(\text{NH}_4\text{OH})_2(NH4​OH)2​

Markscheme

1.1 Formulae, equations and hazards Questions

  1. GCSE
  2. /Chemistry
  3. /1.1 Formulae, equations and hazards

230 exam-style questions on Edexcel GCSE Chemistry 1.1 Formulae, equations and hazards, covering 1.1.1 Formulae, word and balanced equations, 1.1.2 Balanced ionic equations, and 1.1.3 Hazard symbols and risk in practical work. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank