Flashcards
Group 2 and 7 reations
Cards in this deck (12)
- 1Reactions of Group 2 elements with water.M + H2O ----- M(OH)2 + H2
- 2Identification of sulfate ions using BaCl2Ba2+ + SO4^2- ----- BaSO4
(white ppt) - 3Extraction of Ti a 1000 degrees C TiO2 + C + 2Cl2 TiCl4 + 2MgTiO2 + C + 2Cl2 ----- TiCl4 + CO2
TiCl4 + 2Mg ----- Ti + 2MgCl2 - 4Removal of SO2 from chimneyCaO + SO2 ----- CaSO3
CaCO3 + SO2 ----- CaSO3 + CO2 - 5Neutralize soil using CalciumH2SO4 + Ca(OH)2 ----- CaSO4 + 2H2O
- 6In digestion tablets as an antiacid2HCl + Mg(OH)2 ----- MgCl2 + 2H2O
- 7Displacement reactions2KBr + Cl2 ----- 2KCl + Br2
2KI + F2 ----- 2KF + I2
etc. - 8Testing for Halide ionsAg+ + 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. - 9Making bleach by disproportionation using cold sodium hydroxide2NaOH + Cl2 ----- NaClO + NaCl + H2O
- 10Disproportionation of Chlorine with waterCl2 + H2O ===== 2H+ + Cl- + ClO-
- 11Decomposition of water in sunlightCl2 + H2O ===== 2H+ + 2Cl- + 0.5O2
- 12Purification of water using Cl2Healthy H2O!!!
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- A level Chemistry Flashcards on Group 2 and 7 reations, created by Jumael Zafar on 27/05/2018.
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- Jumael Zafar
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