Chemistry P1 and P2 today

[Shadow]

there was MCq related to exothermic graph.. and the question was what whould pe the reaction in reverse reaction.. i did the option endothermic and positive symbol...

correct !

 

[danial 234]

iron and a compound of copper. last ques of sec a

 

[robinhoodmustafa]

 

[Shadow]

No.. :/ im sorry

Mmm wel i remember it a bit .. it was iron coz it gave the ratio of almost 2:1 while original ratio shud have been 1:1

 

[asma tareen]

 

[danial 234]

what did u all write the mass of 2 mol of chlorine.

 

[Amnaa]

there was another question.. mujhe yaad nahi raha. lekin it was about i mol of hydrocarbon reacts with oxygen to form C02 and H2O (complete combustion).. which compound would react with least amount of oxygen??

 

[Shadow]

I didn't pay attention to a lot of things.

My ppr was also quite of a mess did sum over-writing, n drew an endothermic graph in A2 .. but thnx to re-checking was able to correct it in the end

 

[danial 234]

C3H7COOH

there was another question.. mujhe yaad nahi raha. lekin it was about i mol of hydrocarbon reacts with oxygen to form C02 and H2O (complete combustion).. which compound would react with least amount of oxygen??

 

[Saad Mughal]

My ppr was also quite of a mess did sum over-writing, n drew an endothermic graph in A2 .. but thnx to re-checking was able to correct it in the end

I didn't check the paper thoroughly enough.

 

[Shadow]

actually three

ohh sorry sorry, my bad

 

[robinhoodmustafa]

what did u all write the mass of 2 mol of chlorine.

71 G

 

[robinhoodmustafa]

Going good.

 

[Saad Mughal]

C3H7COOH

Don't you mean, C3H7OH,

 

[Shadow]

there was another question.. mujhe yaad nahi raha. lekin it was about i mol of hydrocarbon reacts with oxygen to form C02 and H2O (complete combustion).. which compound would react with least amount of oxygen??

It was A

 

[asma tareen]

ohh sorry sorry, my bad

well i dint get it correct someone else did

 

[Saad Mughal]

71 G

Mere Bhai!!
But it's wrong.

 

[danial 234]

its absolutely wrong

71 G

 

[asma tareen]

Don't you mean, C3H7OH,

wxnt it C3H7cooh????

 

[Saad Mughal]

Well, I got question 1 wrong! Can you believe it! I thought that separating funnel was used for filtration!