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WorksheetsY13 Paper 1 Quiz
Total questions: 25
Worksheet time: 50mins
Which metal has the strongest metallic bonding?
Na
Mg
Al
Ca
Which molecules have at least one sp2 hybridized atom?
I. CH3COOH
II. CH3COCH3
III. CH2CHCH2OH
I and II only
I and III only
II and III only
I, II and III
Which can be represented with only one Lewis structure?
CH2O
C6H6
O3
NO3−
What is the enthalpy of solution of MgF2(s) in kJ mol−1?
Lattice enthalpy of MgF2(s) = 2926 kJ mol−1
Hydration enthalpy of Mg2+(g) = −1963 kJ mol−1
Hydration enthalpy of F−(g) = −504 kJ mol−1
2926 − 1963 + 2(−504)
2926 − 1963 − 504
−2926 − (−1963) − (−504)
−2926 − (−1963) − 2(−504)
Which statement is correct?
If ΔH < 0, reaction is always spontaneous.
If ΔH > 0, reaction is never spontaneous.
If ΔS < 0, reaction can be spontaneous if temperature is low enough.
If ΔS < 0, reaction can be spontaneous if temperature is high enough.
What are correct labels for the Maxwell−Boltzmann energy distribution curves?
A
B
C
D
The reaction between NO2 and F2 gives the following rate data at a certain temperature. What is the overall order of reaction?
3
2
1
0
What is the effect of increasing temperature on the rate constant, k?
The rate constant does not change.
The rate constant decreases linearly.
The rate constant increases exponentially.
The rate constant increases proportionally with temperature.
What is the effect of increasing the temperature in this reaction?
CO2(g) + H2O(l) H+(aq) + HCO3−(aq) ΔH < 0
The pH will decrease.
The pH will increase.
CO2 pressure will decrease.
The equilibrium position will shift to the right.
1.0 mol of N2(g), 1.0 mol of H2(g) and 1.0 mol of NH3(g) are placed in a 1.0 dm3 sealed flask and left to reach equilibrium. At equilibrium the concentration of N2(g) is 0.8 mol dm−3.
N2(g) + 3H2(g) 2NH3(g)
What are the equilibrium concentration of H2(g) and NH3(g) in mol dm−3?
A
B
C
D
What describes HPO42−?
Amphiprotic but not amphoteric
Amphoteric but not amphiprotic
Amphiprotic and amphoteric
Neither amphiprotic nor amphoteric
What is the pH of a solution in which the hydroxide ion concentration is 1 × 10−11 mol dm−3 at 298 K?
Kw = 1 × 10−14 at 298 K
3
7
11
14
Which statements are correct?
I. Lewis bases can act as nucleophiles.
II. Electrophiles are Lewis acids.
III. Lewis acids are electron pair acceptors.
I and II only
I and III only
II and III only
I, II and III
Which combination of acid and base is most likely to have a pH of 8.5 at the equivalence point in a titration?
Hydrochloric acid and sodium hydroxide
Hydrochloric acid and ammonia
Nitric acid and ammonia
Methanoic acid and sodium hydroxide
What are the products of electrolysis when concentrated calcium bromide solution is electrolysed using graphite electrodes?
A
B
C
D
Which combination would electroplate an object with copper?
A
B
C
D
What does not affect the mass of products formed in electrolysis of an aqueous solution?
Current
Duration of electrolysis
Initial mass of cathode
Charge on the ions
Which monomer could create this polymer?
But-2-ene
But-1-ene
Propene
2-Methylprop-1-ene
Which is a secondary alcohol?
A
B
C
D
What is name of this compound applying IUPAC rules?
E 1-bromo-1-chlorobut-1-ene
Z 1-bromo-1-chlorobut-1-ene
E 1-bromo-1-chloro-2-ethylethene
Z 1-bromo-1-chloro-2-ethylethene
Which molecule contains a chiral carbon?
CH3CH2CHBrCH2CH3
CH3CH2CHBrCH3
CH2BrCH(CH3)CH2Br
CH3CH2CH2CH2CH2Br
Which reagents are needed to convert nitrobenzene to phenylamine in 2 steps?
A
B
C
D
Which would be the most effective method to distinguish between liquid propan-1-ol and propan-2-ol?
Observation of colour change when warmed with acidified potassium dichromate
Determination of m/z value of molecular ion in the mass spectrum
Determination of percentage composition
1H NMR spectroscopy
Which transition on the diagram corresponds to the ionization of hydrogen in the ground state?
A
B
C
D
Which complex has the greatest d orbital splitting?
A
B
C
D
