Chemistry: Post your doubts here!

[The Sarcastic Retard]

View attachment 57481
24th ... why not D?

X will be oxidized to HO2CCO2H

 

[The Sarcastic Retard]

A level chemistry examiners' brains are permanently twisted

True that.
Not for GCSE though :3

 

[MafaldaC]

helppp please

 

[awesomaholic101]

Do temme ur score, I scored 31

32 ... i actually finished it on time wow Alhamdulillah

 

[The Sarcastic Retard]

helppp please

Its D. 1 carbon and 5th one.

 

[The Sarcastic Retard]

32 ... i actually finished it on time wow Alhamdulillah

Ohho.... congo...

 

[awesomaholic101]

Ohho.... congo...

you asked me to do the paper now you'll have to answer my questions that i will be asking in a while

 

[The Sarcastic Retard]

you asked me to do the paper now you'll have to answer my questions that i will be asking in a while

Sure dear.

 

[awesomaholic101]

Sure dear.

actually tomorrow ... imma sleep now

 

[The Sarcastic Retard]

actually tomorrow ... imma sleep now

U can post ur questions, I will give solutions (that i know), u check tomorrow.

 

[MafaldaC]

Its D. 1 carbon and 5th one.

but why?

 

[The Sarcastic Retard]

but why?

lone pair on N will attack on 5th bromine.

 

[chocolatelover]

Can someone solve this?

 

[awesomaholic101]

View attachment 57486
Can someone solve this?

Is the answer A?
5/15*12 + 10/15*6 = 8 kPa

 

[awesomaholic101]

U can post ur questions, I will give solutions (that i know), u check tomorrow.

thank you ... i figured out my mistakes
anyway about the uses of different molecules and why it can be used for that purpose ... do you have a list or sth?

 

[awesomaholic101]

12/o/n/13 - where is nucleophilic addition happening?

 

[ahmed butt]

How to solve Q29?
http://papers.gceguide.com/A Levels/Chemistry (9701)/9701_w14_qp_13.pdf
http://papers.gceguide.com/A Levels/Chemistry (9701)/9701_w14_ms_13.pdf

 

[darks]

Same goes for pressure right? Increasing pressure increases both forward and backward rate?

yes

 

[darks]

pls help

 

[donewithtime80]

http://studyguide.pk/Past Papers/CIE/International A And AS Level/9701 - Chemistry/9701_w06_qp_1.pdf

q:37 please
Answer is D