Test
OCR B A Level Chemistry The Ozone Story
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Preguntas del test (15)
1Electronegativity increases towards fluorine.
- AVerdadero
- BFalso
2A [blank_start]dipole[blank_end] is caused by a shift in [blank_start]electron density[blank_end] in the bond.
- Adipole
- Belectron density
- Celectron size
- Dmolecule shape
- Eion
3All atoms form instantaneous dipole-[blank_start]induced dipole[blank_end] bonds.
- Ainduced dipole
4The greater the surface contact between molecules, the intermolecular bond will be
- Astronger
- Bweaker
5Hydrogen bonds are the [blank_start]strongest[blank_end] type of intermolecular bonds.
- Astrongest
6What type of reaction does this graph depict
- Aendothermic reaction
7Label each line with the most likely temperature.
- A37°C
- B25°C
8Catalysts [blank_start]lower[blank_end] the activation [blank_start]enthalpy[blank_end] by providing an [blank_start]alternative[blank_end] reaction pathway.
- Alower
- Benthalpy
- Calternative
9In heterolytic fission 2 substances with different charges are formed.
- AVerdadero
- BFalso
10In [blank_start]homolytic[blank_end] fission to radicals are formed.
- Ahomolytic
11[blank_start]Termination reactions[blank_end]: 2 radicals react together to form a stable molecule
[blank_start]Propagation reactions[blank_end]: free radicals on both sides of the equation
[blank_start]Initiation reactions[blank_end]: free radicals produced- ATermination reactions
- BPropagation reactions
- CInitiation reactions
12To convert % to ppm, [blank_start]multiply[blank_end] by 10 000
- Amultiply
- Bdivide
13Chlorine radicals catalyse the breaking down of [blank_start]ozone[blank_end].
- Aozone
14Ozone [blank_start]absorbs[blank_end] UV radiation.
- Aabsorbs
- Bdeflects
15Haloalkanes react with [blank_start]ammonia[blank_end] to form amines.
- Aammonia
Información
- Descripción
- A-Level Chemistry Test sobre OCR B A Level Chemistry The Ozone Story, creado por Alex Lyes el 23/05/2016.
- Autor
- Alex Lyes
- Idioma
- English
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- 1.045
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