AQA A-Level Chemistry June 2020 Paper 1 [Walkthrough and Tutorial]

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Timestamps:
00:00 Question 1
12:20 Question 2
19:20 Question 3
23:06 Question 4
28:30 Question 5
34:41 Question 6
39:20 Question 7
42:30 Question 8
48:24 Question 9
53:59 Question 10
1:07:57 Question 11

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Hannah Conway: Channel logo and branding

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[notme]

41:19 how does XeF4 have permanent dipole-dipole??? I thought it only has vdw due to it being planar and symmetrical?

[aizahmahmood]

on question 4.3 how did you get 0.05 moldm-3 when the question only says 0.5 moldm-3 at 24:55

[xdyfiex]

1:03:48 the mark scheme says the answer is 168 Im confused

[SMH_]

yo lads quick question
question 7,
i thought PF3 wouldn't contain dipole dipole forces because there is relatively not much difference in electronegativity between P & F, therefore it wouldn't form a polar bond,
but apparently it would still be big enough to be polar,

all molecules contain a difference in electronegativity between the elements, small or little,
so does that mean that they all (apart from the symmetrical ones) contain dipole dipole forces?