Edexcel C3 Chemistry 19th June 2014

How did everybody find it?

I found it a nice exam and was incredibly content with the six markers.

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For the iodide one i wrote sodium nitrate instead of silver nitrate but i did mention acidify with nitric acid and the result will be yellow precipitate, will i still get 2 out of 2?

Reply 2

sam_aggy96

Original post by appleapple

For the iodide one i wrote sodium nitrate instead of silver nitrate but i did mention acidify with nitric acid and the result will be yellow precipitate, will i still get 2 out of 2?

I wrote that

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Reply 3

appleapple

Original post by sam_aggy96

I wrote that

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High5 lollll

Reply 4

Decerto

Original post by appleapple

For the iodide one i wrote sodium nitrate instead of silver nitrate but i did mention acidify with nitric acid and the result will be yellow precipitate, will i still get 2 out of 2?

Original post by sam_aggy96

I wrote that

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You might only get 1.

Reply 5

sam_aggy96

Hoes did you find the calculation questions??

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Reply 6

sam_aggy96

*how

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Reply 7

appleapple

Original post by Decerto

You might only get 1.

But there was an identical question in the specimen and it wrote that theres one mark for silver nitrate, one for nitric acid and one for yellow precipitate :frown:

Reply 8

Decerto

Original post by appleapple

But there was an identical question in the specimen and it wrote that theres one mark for silver nitrate, one for nitric acid and one for yellow precipitate :frown:

If so, then two.

But on the mark scheme last year, there was a comment saying if you say three things and get one wrong, you can only get 1 mark.

Nobody knows. :tongue:

Reply 9

Shadowninja107

Were the six markers asking for a more scientific answer or a more method based answer do you think

Reply 10

Samik

What. Did u get for the calculation
I got 0.5

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Reply 11

Marcusroye98

OMG HOW AMAZING! I couldnt spell that indicator thing!!! D:

Reply 12

Marcusroye98

Original post by samik

what. Did u get for the calculation
i got 0.5

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0.5
1.25
4.8
:d

Reply 13

Parallex

What did everyone get for the amount of product from the 200cm^3 and 100cm^3 reactants? Multiple choice.

Reply 14

Marcusroye98

Original post by Parallex

What did everyone get for the amount of product from the 200cm^3 and 100cm^3 reactants? Multiple choice.

200

Reply 15

Shadowninja107

Original post by Parallex

What did everyone get for the amount of product from the 200cm^3 and 100cm^3 reactants? Multiple choice.

200cm^3 as the mole ratio was 3:2

Reply 16

Decerto

Original post by Parallex

What did everyone get for the amount of product from the 200cm^3 and 100cm^3 reactants? Multiple choice.

200

Reply 17

Shadowninja107

What about the ionic equation for the electrolysis of sodium chloride solution? Did you have to show the formation of liquid water from aqueous hydroxide and hydrogen ions?

Reply 18

Marcusroye98

Original post by Shadowninja107

What about the ionic equation for the electrolysis of sodium chloride solution? Did you have to show the formation of liquid water from aqueous hydroxide and hydrogen ions?