Chemistry P1 and P2 today

[Saad Mughal]

Why not NO3-?

Because they said that only TWO ions were there.

 

[Kamihus]

wat was the ans to that two inverted tubes MCQ in which electrolysis was being done? it was sulfuric acid, ryt?

yeah it was repeated

 

[danial 234]

I wrote a temp of 400, Vil it be accepted?

i m not sure abt ur answer

 

[farhan141]

My reagents and catalyst was correct but temperature and pressure is incorrect.

 

[Shadow]

i m not sure abt ur answer

no worries, i already wrote about steam n phosphoric acid before, so hopefully i vil b credited both marks

 

[asma tareen]

Because they said that only TWO ions were there.

ye sab ko bta bta kar thak nai gaye

 

[qasim9]

with any oxidising agent

Lol
At first I wrote about this but left it as it may be wrong
Such an idiot I am

 

[farhan141]

ye sab ko bta bta kar thak nai gaye

Apke Poute Jee nhi thakte. Kamali Poute hain

 

[Imran Nagi]

OMG. WAS IT OF ANY HELP? YOU WILL GET AN A THANKS TO THAT MERCHANT.

yeah helped a little but I was already prepared for the exam...

 

[Haris Sal11]

Because they said that only TWO ions were there.

Wrote H+ too

 

[Haris Sal11]

vol of CO2 could be taken frm graph . convert it into moles . use the equation to find mass of CaCO3

Damn it :O I used the method of Mr. Mr of CaCO3 divided by Mr of the antacid tablet x mass of tablet.

 

[Haris Sal11]

L
This question was so easy. It couldnt be temperature, pressure or Catalyst so the only option left was HCL quantity and that was ineed the right answer !

Wrote decrease in pressure. How was it not right? Moles of products were more. So decreasing the pressure would shift the equilibrium towards the product, that was chlorine.

 

[Haris Sal11]

Is it ?
Cuz i wrote'the'same thing !

It's wrong.

 

[danial 234]

Wrote decrease in pressure. How was it not right? Moles of products were more. So decreasing the pressure would shift the equilibrium towards the product, that was chlorine.

do u remember the equation or the reactants

 

[asma tareen]

Wrote decrease in pressure. How was it not right? Moles of products were more. So decreasing the pressure would shift the equilibrium towards the product, that was chlorine.

dude if u would decrease the pressure product will reduce -_- it will force the backward reaction

 

[farhan141]

Nope. By increasing HCl you will get more product.

Decreasing Pressure wouldn't be right because the reaction had already reached an equilibrium.

 

[qasim9]

It's wrong.

Damn it lost 4 marks total.

 

[Saad Mughal]

Wrote H+ too

If Nitrate was there then NO3 -, H+, V 5+, there were 3 ions.

 

[Haris Sal11]

do u remember the equation or the reactants

Not exactly. But I'm 500% sure the moles of Products were more. That's why I opted for a decrease in pressure. Adding a reactant won't change the state of equilibrium.

 

[Saad Mughal]

Apke Poute Jee nhi thakte. Kamali Poute hain

Is that a compliment?