Chemistry: Post your doubts here!

[The Sarcastic Retard]

13 bhul ma thi type thai gayu

 

[♣♠ Magnanimous ♣♠]

13 bhul ma thi type thai gayu

 

[♣♠ Magnanimous ♣♠]

13 is correct, rest are wrong.

Well 39 it is B coz

Catalytic converter converts oxides of nitrogen to nitrogen gas

and CO and unburnt hydrocarbons to CO2 which means it is oxidation.

No idea why 24 is wrong :')

 

[♣♠ Magnanimous ♣♠]

13 is correct, rest are wrong.

Well 39 it is B coz

Catalytic converter converts oxides of nitrogen to nitrogen gas

and CO and unburnt hydrocarbons to CO2 which means it is oxidation.

No idea why 24 is wrong :')

 

[The Sarcastic Retard]

Thanks... vishal did u sent me mail of presentations?

 

[♣♠ Magnanimous ♣♠]

Thanks... vishal did u sent me mail of presentations?

No bro

I am not able to send the presentations Idk why... I tried a lot yesterday.

Idk how to send that presentations

well lemme try other site other than gmail :')

 

[The Sarcastic Retard]

No bro

I am not able to send the presentations Idk why... I tried a lot yesterday.

Idk how to send that presentations

well lemme try other site other than gmail :')

Try to upload it in mediafire.. and send me the link

 

[_MoHD_E]

13, 16, 17, 24 and 39
w05 paper 1
Metanoia

Question 24 a?

 

[The Sarcastic Retard]

Question 24 a?

ya

 

[_MoHD_E]

ya

Ya

 

[The Sarcastic Retard]

Ya

How?

 

[_MoHD_E]

Butan-2-ol can be dehydrated to either but-1-ene or but-2-ene and since there is restricted rotation in but-2-ene there is a chance that either cis or trans will be formed at the end of dehydration ,

 

[The Sarcastic Retard]

Butan-2-ol can be dehydrated to either but-1-ene or but-2-ene and since there is restricted rotation in but-2-ene there is a chance that either cis or trans will be formed at the end of dehydration ,

Why answer cant be C?

 

[_MoHD_E]

Why answer cant be C?

Because the products of dehydration of that molecule is 2-methylbut-1-ene and 2-methlybut-2-ene only 2 and yes there is a double bond but there can't be cis trans as there is no restricted rotation Around the double bond between the carbon atoms because In 2-methyl but-1-ene the carbon atom at position number 1 which is involved in the double bond have same atoms (hydrogen atoms ) and in 2-methyl but-2-end the carbon atom at position number 2 which is involved in the double bond have same group of atoms which is the methyl groups

 

[nehaoscar]

Why is the reaction of benzene with bromine electrophilic substitution while Bromine in nucleophilic?

 

[lfjnsldf]

Can anyone tell me a way to solve moles past papers. I have a difficulty in the majority of the questions.

 

[The Sarcastic Retard]

Can anyone tell me a way to solve moles past papers. I have a difficulty in the majority of the questions.

post the questions.

 

[Serial_Ripper]

plz explain this!! thnx in advance!

 

[lemonrsiow]

For CIE A level Chem, is there a simple way to remember when to use reflux when not to use? The mark schemes aren't very consistent...

 

[Serial_Ripper]

View attachment 57308plz explain this!! thnx in advance!

PLEASE HELP ME!! I'M DYING!!!!