Prac exam prep Flashcards
What catalyst + conditions is used for hydrogenation?
Nickle
What catalyst + condition is used for the hydration of alcohol?
Phosphoric acid 300*c
What catalyst is used for dehydration of alcohol?
Conc sulfuric acid
What catalyst is used for the oxidation of alcohols?
Acidified potassium dichormate
What is the enthalpy change equation?
q=mc∆T (NEGATIVE)
What are the conditions of alkane cracking?
Zeolite catalyst and 450*c
What catalyst is used for the esterification of alcohols?
Conc sulfuric acid
What is the flame test colour for Lithium?
Red
What is the flame test colour for Sodium?
Orange yellow
What is the flame test colour for potassium?
Lilac
What is the flame test colour for calcium?
Brick red
What is the flame test colour for strontium?
Crimson
What is the flame test colour for Barium?
Apple green
What are the 4 solubility trends for group 2 compounds?
All nitrates are soluble
All carbonates are insoluble
Hydroxides increase in solubility down the group
Sulphates decrease in solubility down the group
Wat is used as a test for halides?
Nitric acid followed by silver nitrate then aqueous ammonia
What are the 3 observations from the halide test?
Cl- White ppt that dissolves
Br- Cream ppt that partially dissolves
I- Yellow ppt that is insoluble
What is observed when CCl4 reacts with water?
an immiscible mixture is formed
layers are observed with ccl4 on top
What is observed when SiCl4 reacts with water?
White ppt of Si(OH)4
Misty fumes of HCl