Group 2 and 7 reations

Description

A level Chemistry Flashcards on Group 2 and 7 reations, created by Jumael Zafar on 27/05/2018.
Jumael Zafar
Flashcards by Jumael Zafar, updated more than 1 year ago
Jumael Zafar
Created by Jumael Zafar almost 6 years ago
2
1

Resource summary

Question Answer
Reactions of Group 2 elements with water. M + H2O ----- M(OH)2 + H2
Identification of sulfate ions using BaCl2 Ba2+ + SO4^2- ----- BaSO4 (white ppt)
Extraction of Ti a 1000 degrees C TiO2 + C + 2Cl2 TiCl4 + 2Mg TiO2 + C + 2Cl2 ----- TiCl4 + CO2 TiCl4 + 2Mg ----- Ti + 2MgCl2
Removal of SO2 from chimney CaO + SO2 ----- CaSO3 CaCO3 + SO2 ----- CaSO3 + CO2
Neutralize soil using Calcium H2SO4 + Ca(OH)2 ----- CaSO4 + 2H2O
In digestion tablets as an antiacid 2HCl + Mg(OH)2 ----- MgCl2 + 2H2O
Displacement reactions 2KBr + Cl2 ----- 2KCl + Br2 2KI + F2 ----- 2KF + I2 etc.
Testing for Halide ions Ag+ + Cl- ----- AgCl (white ppt) Ag+ + Br- ----- AgBr (cream ppt) Ag+ + I- ----- AgI (yellow ppt) AgCl dissolves in dilute NH3 AgBr dissolves in conc. NH3 AgI doen''t dissolve.
Making bleach by disproportionation using cold sodium hydroxide 2NaOH + Cl2 ----- NaClO + NaCl + H2O
Disproportionation of Chlorine with water Cl2 + H2O ===== 2H+ + Cl- + ClO-
Decomposition of water in sunlight Cl2 + H2O ===== 2H+ + 2Cl- + 0.5O2
Purification of water using Cl2 Healthy H2O!!!
Show full summary Hide full summary

Similar

Using GoConqr to study science
Sarah Egan
Electrolysis
lisawinkler10
Acids and Bases
silviaod119
Elements, Compounds and Mixtures
silviaod119
Chemistry General Quiz - 2
lauren_johncock
Chemistry Quiz General -3
lauren_johncock
Chemistry Module C2: Material Choices
James McConnell
AS Chemistry - Enthalpy Changes
Sarah H-V
The Periodic Table
asramanathan
Introduction to the Atom
Derek Cumberbatch
Acids and Bases
Sarah Egan