Physical Chemistry
What is the shape of a p orbital?
Dumbbell
What is the catalyst required in the Haber process?
Iron
What is the observation when magnesium is burnt in air?
Bright white light
What is the catalyst for hydrogenation of alkene?
Ni or Pt
What is the capital city of Australia?
Canberra
What is the bond angle around carbon in methanoic acid?
120
Why is nitrogen gas inert?
Strong triple Bond and non-polar
What is the test for halides in solution?
Add silver nitrate with nitric acid.
What is the catalyst for the reaction of dehydration of alcohol?
Aluminium oxide
In which ocean is Andaman islands?
Indian ocean
What kind of structure is a fullerene?
Simple Molecular
What is the product of displacement of ammonium ion from ammonium compound?
ammonia
What is the observation of burning sulfur in air?
Blue flame
What does S and n represent in sn1 mechanism?
Substitution
Nucleophilic
What is the largest island in NZ?
South Island
What is the definition of standard enthalpy of formation?
Energy change when one mole of a compound is formed from its elements under standard conditions.
What is the condition (temperature and pressure) of the contact process?
What is the one product which does not contain chlorine atom when chlorine is reacted with hot alkali (70 degrees)?
water
What is the reagent required to form 2-hydroxyproanenitrile from ethanal?
What is the name of Mr Kim's cat?
Blue
Explain why ice has lower density than water
H-bonds cause water particles to be further away from each other.
What are the products formed in the catalytic converter when NO and CO reacts?
What are the two products formed when PCl5 is added to water?
phosphoric acid and hydrogen chloride fume
What would be the two tests carried out to distinguish between propan-1-ol, propanal and propanone?
1. 2,4 DNPH
2. Tollen's or Fehling's reagent
Which country has the most islands?
Sweden