Which one of the following is the electron arrangement of the strongest reducing agent?
IB Chemistry Mock Exam Review #1
Quiz
•
Chemistry
•
11th - 12th Grade
•
Hard
Cora Henderson
Used 122+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which one of the following is the electron arrangement of the strongest reducing agent?
1s2 2s2 2p5
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s2 3p5
1s2 2s2 2p6 3s2 3p6 4s2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The removal of silicon dioxide with limestone in the Blast Furnace can be represented by the following equation.
CaCO3(s) + SiO2(s) → CaSiO3(l) + CO2(g)
The minimum mass of calcium carbonate needed to remove 1.00 tonne (1000 kg) of silicon dioxide is
0.46 tonne
0.60 tonne
1.67 tonne
2.18 tonne
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The removal of silicon dioxide with limestone in the Blast Furnace can be represented by the following equation.
CaCO3(s) + SiO2(s) → CaSiO3(l) + CO2(g)
The volume of carbon dioxide, measured at 298 K and 1.01 × 105 Pa, formed in this reaction during the removal of 1.00 tonne (1000 kg) of silicon dioxide is
24.5 dm3
408 dm3
24.5 m3
408 m3
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which one of the following statements is not correct?
The atomic radii of Period 3 elements decrease from sodium to chlorine.
The hydroxides of Group II metals increase in solubility as the group is descended.
In water, aluminium chloride is hydrolysed more than magnesium chloride.
SiO2 has a higher melting point than P4O10 because of stronger London dispersion forces.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Molecules with a permanent dipole include
1 NH3
2 PCl3
3 SCl2
4 SiCl4
1, 2 and 3 only are correct.
1 and 3 only are correct.
2 and 4 only are correct.
4 only is correct.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The percentage by mass of the elements in a compound is
C=72%, H=12%, O=16%.
What is the mole ratio of C : H in the empirical formula of this compound?
1:1
1:2
1:6
6:1
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the reactions below occur as written?
I. Br2 +2I− →2Br− +I2
II. Br2 +2Cl− →2Br− +Cl2
I only
II only
Both I and II
Neither I nor II
17 questions
Chemistry Form 4 Chap 8
Quiz
•
11th Grade
20 questions
Covalent Nomenclature
Quiz
•
9th - 12th Grade
20 questions
Chemical Reactions
Quiz
•
9th - 11th Grade
20 questions
Periodicity (Topic 3 IB Chemistry)
Quiz
•
11th - 12th Grade
15 questions
Bonding and Nomenclature
Quiz
•
9th Grade - University
20 questions
IB Chemistry Periodicity SL MC
Quiz
•
11th - 12th Grade
18 questions
Naming Compounds (Mix)
Quiz
•
11th Grade
20 questions
Salts
Quiz
•
10th - 11th Grade
25 questions
Equations of Circles
Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)
Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System
Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice
Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers
Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons
Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)
Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review
Quiz
•
10th Grade