can u send me the link for that paper?
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can u send me the link for that paper?
Where is the examplec whether u make a curved line or a straight line u have to make it a best fit... i haven't solved the question but here's an example of the concept:
understood??
O/N 2011 v.12help plzz
9701.mj.06 q, 25
9701.on.06 q,37,3
9701.mj.01 q 34,26,
9701.on.07 q 33,37,4
9701.mj.08 q 27 ,
9701.on.09 ( varient 11) 28,24,21
9701.on.10(varient 12) 39,27,13
9791.0n.10 (varient 11) q 38 ( what product will form if tollen reagent react with it ),35,29
9701.mj.10 (varient 11) q 12,
9701.mj.11(varient 12) q 38,29,28,24,11,
*9701.mj.11(varient 11) q 36,27,34,26,16
9701.on.11.(varient 12) q 9
9701.on.11 (varient 11) q 27,29,21,
9701.mj.12, (varient 12) q 24,23
9701.mj.12 (varient 11) q 29,23,22,9,
9701.on.12 (varient 11) q 26,
Thanks can u please tell me the equation for nitrile reduction1. Yes its in the AS topic ... Acid hydrolysis of nitriles produces carboxylic acid ...do learn its conditions and reagents.
2. Its an an topic ...u dont need to know about it
3 and 4. They falls under A2 organic.
* You should know about the reduction of nitriles (This equ is of both AS and A2..).
Asa,
I am really confuse in Q:1 of As Chemistry papers.
In that they ask questions like :
Element of the third period forms a chloride which is liquid at R.T.P?
An element which is liquid at R.T.P?
Let me know any source which i can read and solve these types of questions?
Q2 bii
can someone plz explain how the first two structures given in the marking scheme are any different?
also, if i attach Cl to the carbon atom in the middle will it be accepted?
Thanks can u please tell me the equation for nitrile reduction
I just wanted to confirm that the varient for our practical is 33?
CH3-CN + 4[H] ----------------> CH3-CH2-NH2
The H in the equation represents the Hydrogen from the R.A ...and R.A is (LiAl[H4] in dry ethaoxide ..or there's another condition for this reaction which is ..(the nitrile and hydrogen gas are passed over the nickle catalyst).
CH3-CN + 4[H] ----------------> CH3-CH2-NH2
The H in the equation represents the Hydrogen from the R.A ...and R.A is (LiAl[H4] in dry ethaoxide ..or there's another condition for this reaction which is ..(the nitrile and hydrogen gas are passed over the nickle catalyst).
Yeah we balance.http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_w05_qp_1.pdf
q1 how can we find out moles needed? do we balance?
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