Qualification > Sciences

CHEMISTRY PAPER 1 HERE

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girl_92:

--- Quote from: Aishath on June 11, 2009, 04:44:58 pm ---
--- Quote ---lemme chk this out it cannot be ethl ethanoate wait a sec

--- End quote ---
it cannot be if consider it on the basis of a single bond den all of dem have single bonds even the basic formula of CnH2n+2 doesnt apply den how is it possible

--- End quote ---
I have no idea.....
i think the mark scheme is wrong cos many times it happened to the other papers....
So the ans. should be pentane
[/quote]
no dude how can the markin scheme be wrong  can any one else answer this

astarmathsandphysics:

--- Quote from: madee on June 11, 2009, 04:32:09 pm ---
--- Quote from: notty_me on June 11, 2009, 04:31:22 pm ---cn any1 plz attach chem ppr 1 oct08????????

--- End quote ---
download it frm freeexampapers.com

--- End quote ---

That notorius website

sweetest angel:
ahm...does any1 knw wat difference it makes if the solution is concentrated or not during electrolysis??

astarmathsandphysics:
It does

concentrated solution means higher current and faster reaction

Ghost Of Highbury:

--- Quote from: madee on June 11, 2009, 04:48:21 pm ---
--- Quote from: Aishath on June 11, 2009, 04:44:58 pm ---
--- Quote ---lemme chk this out it cannot be ethl ethanoate wait a sec

--- End quote ---
it cannot be if consider it on the basis of a single bond den all of dem have single bonds even the basic formula of CnH2n+2 doesnt apply den how is it possible

--- End quote ---
I have no idea.....
i think the mark scheme is wrong cos many times it happened to the other papers....
So the ans. should be pentane

--- End quote ---
it has to be pentane...
it is soo surely an alkane
good luck for ur exam anyway//
no dude how can the markin scheme be wrong  can any one else answer this
[/quote]

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