WorksheetsEnd of year 1 Quiz 4
Total questions: 10
Worksheet time: 18mins
Which is the correct formula for ammonium sulfate?
NH4SO4
NH4(SO4)2
(NH4)2SO4
N2H8SO4
What is the bond angle of a H3O+ ion?
104.5°
107°
109.5°
120°
When group 2 ions form, the outer electrons are found in:
s orbitals
p orbitals
d orbitals
f orbitals
Which correctly shows the compound and its environmental impact?
1.CF2Cl2
2.CO2
3.C
4.NOx
1.Global warming
2 Ozone depletion
3. Acid rain
4. Global dimming
1.Ozone depletion
2.Global warming
3. Global dimming
4.Acid rain
1.Global dimming
2.Global warming
3.Ozone depletion
4.Acid rain
1.Acid rain
2.Global dimming
3.Global warming
4.Ozone depletion
Which reaction is not used to make a Hess cycle for the following reaction? C2H4(g) + H2O(l) ==> C2H5OH(l)
∆fH ethanol
∆cH ethene
∆cH hydrogen
∆fH ethene
Which mechanism involves heterolytic fission?
C2H4 + HBr => C2H5Br
C2H6 + Br2 => C2H5Br + HBr
O3 + O• => 2O2
none of the above
Which of these alcohols can undergo oxidation but NOT elimination of water?
A
B
C
D
250 cm3 of 0.50 moldm-3 NaOH solution was neutralised by an excess of hydrochloric acid. The total volume of the reaction mixture was 500 cm3. The maximum temperature change was +3.5°C. Calculate the enthalpy change of the reaction. Assume that c=4.18JK-1mol-1.
-29 kJmol-1
-59 kJmol-1
+29 kJmol-1
+59 kJmol-1
Which of these molecules has a trigonal pyramidal shape?
CF4
BH3
NCl3
SF4
A sample of neon has a relative atomic mass of 20.187. The relative abundances of all the isotopes present in the sample are: Neon-21 0.3% ; Neon-20 90.5%; X 9.2% Which isotope of neon is X?
Neon-19
Neon-22
Neon-24
Neon-23
