Paper 2 Mistakes Flashcards
1
Q
Smallest anion in period three
A
Cl
2
Q
Smallest first ionization energy
A
K
3
Q
What is ammonia used in
A
Explosives
Manufacture of HNO3
Fertilzers
4
Q
H2 and Ni catalyst
A
Adds Hydrogen to double bong as well as c=o bond as well
5
Q
CS2 Combusts to give?
A
So2 and CO2
6
Q
What is colour of solid sulfur
A
Yellow
7
Q
Largest atomic radius in period 3
A
Na
8
Q
Largest anion in period 3
Smallest anion in period 3
A
P
Cl
9
Q
Solutions whi act as oxidising agents
A
Solutions containing F and Cl
10
Q
Highest m.p in period 3
A
Silicon
11
Q
Reduction
A
NaBH4
12
Q
Dehydration
A
Conc H2SO4
13
Q
Why does Si have a greater boiling point
A
It is giant molecular
14
Q
Why is m.p of S>P>Cl
A
The molecules are S8, P4 and Cl2
The larger molecules have more electrons
So greater van DER waal forces