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Chemistry P1 and P2 today

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Guys. What were the moles of CO2 produced in that tablet question? What was the energy released in the CO question? What was the answer to the equilibrium mcq which said, add more hcl, pressure etc. AND, X didn't have NO3-? How? NaOH was added and acidified. Ammonia was produced. That's the property of Nitrate too. H+ I wrote as well.
I remember my answer to the tablet question being something like 0.004.
 
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X is H4NO3V, X + potassium iodide to produce iodine

What is the chemical nature of X?
 
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Are you crazy? It said NaOH was added and it was acidified. Ammonia was being produced. It had to be NO3-.
Ammonia was the gas produced, they asked about ions present ... If ammonia is produced, AMMONIUM must b present ... Check the test for AMMONIUM, u add NaOH n then warm it, it produces AMMONIA gas ... In ques, AMMONIA was produced so AMMONIUM (ammonia ions) was present (NH4+)
 
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Guys. What were the moles of CO2 produced in that tablet question? What was th e energy released in the CO question? What was the answer to the equilibrium mcq which said, add more hcl, pressure etc. AND, X didn't have NO3-? How? NaOH was added and acidified. Ammonia was produced. That's the property of Nitrate too. H+ I wrote as well.
haris ammonia is only liberated by nitrate in prescence of NaOH and aluminium
 
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Guys. What were the moles of CO2 produced in that tablet question? What was the energy released in the CO question? What was the answer to the equilibrium mcq which said, add more hcl, pressure etc. AND, X didn't have NO3-? How? NaOH was added and acidified. Ammonia was produced. That's the property of Nitrate too. H+ I wrote as well.
and the mass of calcium carbonate was 0.4 g RIGHT?

I chose the option: decrease the pressure. what did u choose?
 
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Unfortunately i couldnt break the trend of doing MCQ #1 wrong, i wrote NaCl and sand would be separated by separating funnel:p
Also worked for almost 5 minutes on the moles question, but still chose C3H7COOH
 
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Unfortunately i couldnt break the trend of doing MCQ #1 wrong, i wrote NaCl and sand would be separated by separating funnel:p
Also worked for almost 5 minutes on the moles question, but still chose C3H7COOH
C3H7COOH is right ans
 
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