Question

http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w09_qp_11.pdf
Q21

Answer 1

owh that'll need a huge explanation

Answer 2

what do u already know from here?

Answer 3

Should i use the general formula: CnH2n+2

Answer 4

no

Answer 5

first look at what u r given

Answer 6

Cyclohexene, aldehyde and alphatic side chain

Answer 7

ok good tell me for aldehyde, what do u need? how many carbons hydrogens oxygens

Answer 8

Cyclohexene- Has 6 Carbon and 10 Hydrogen
Aldehyde- RCHO
Alphatic side chaiin-CnH2n+2

Answer 9

ok cool for Cyclohexene- u need 6 Carbon and 10 Hydrogens good and that's when Cyclohexene is alone right? meaning not bonded to anything

Answer 10

yes

Answer 11

ok, so if u bond it what are u going to loose?

Answer 12

Double Bond must be removed then

Answer 13

no

Answer 14

u need that double bond

Answer 15

Hydrogen is lost

Answer 16

cool so now u'll be left with 6 carbons and 10-1=9 hydrogens right?

Answer 17

Oh god somy that's going to be a huge explanation!!

Answer 18

yes youre right

Answer 19

okay how many C and H and O u r originally given?

Answer 20

C-20 H-28 O-1 right?

Answer 21

yes

Answer 22

okay cool. now
u have aldehyde and u have cyclohexene
aldehyde needs 1 carbon 1 hydrogen 1 oxygen
do u agree?

Answer 23

@Abmon98 do you have skype?

Answer 24

yes i do agree

Answer 25

yes i do have a skype account

Answer 26

oh can u go there? it'll be much easier to explain in words

Answer 27

by voice i mean*

Answer 28

ok heres my skype account abdel-moniem

Answer 29

added u

Answer 30

cool :)