AS content wrong answers

Question 1

What is the oxidation number of Nitrogen in Mg(NO3)2

Answer 1

+5

Question 2

What is the shape and bond angle in a molecule of NCl3

Answer 2

Pyramidal, 107

Question 3

What is the shape around carbon atoms in graphene

Answer 3

Trigonal planar

Question 4

Which electron config has largest first ionisation energy
1s2,2s2,2p6
1s2,2s2,2p6,3s2

Answer 4

1s2,2s2,2p6

Question 5

What would you observe when adding dilute Sulfuric acid to carbonate ions and aq silver nitrate

Answer 5

effervescence and precipitate

Question 6

How to modify an experiment to reduce % error

Answer 6

Balance to more dp
Use a larger mass

Question 7

What reagent do you need for a precipitation reaction (halide ions)

Answer 7

Silver Nitrate

Question 8

Colours of precipitates of Chloride, Iodide and Bromide ions

Answer 8

White, Yellow, Cream

Question 9

Which way would eq shift to increase pressure

Answer 9

Towards the side with less gaseous moles

Question 10

Why would industry not use high pressures

Answer 10

Expensive to generate and safety risk

Question 11

Why would industry not use a low temperature

Answer 11

They need a high temp to increase production rate

Question 12

General formula of an alkene

Answer 12

CnC2n

Question 13

What conditions and reagents are required to convert an alkene to a saturated hydrocarbon

Answer 13

Nickel Catalyst, Hydrogen