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They said stereoisomerism . Cis trans and optical were the ONLY possibilities.-Q5 doubt!
In isomerism part, i drew a cis-trans in first one.
Didn't knew what to do in second part. So i drew structural isomer.
What do you guys think?
Which one was that?
oh this is paper 22 thread, i mean paper 23
Oh no idea abt 23oh this is paper 22 thread, i mean paper 23
How much marks, did the question carry? can you tell?
exactly what i saidMy answer is that CaO is the most suitable drying agent, as it won't react with NH3 gas and it's a metal oxide. I searched over the internet and found that actually CaO is suitable for the drying agent of NH3.
My reason was that H2SO4 or HCl might react with NH3 as NH3 is a base and those two are strong acids. I did a practice on ON2005, so I was happy to see similar question--H2SO4 is not a suitable agent with NH3 as it will reacts.
..and there was only 1 colour change for organic?
Thanks! Same to youI'd say it was easy, my second time taking these exams so, to me, compared to last year, the paper was easy.
I finished 15 minutes before, had time to revise my paper and well not expecting below 50 marks for it!
hope the paper 42 tomorrow will be okay!
Good luck to those sitting this paper tomorrow!
relieved!
and did you have only B for the second table?
maybe 1 fpr temperature!I wrote, conditions for Haber's process:
Ni as a catalyst, metal oxide as promoter
temperature of above 500 C
pressure 101kpa
How much marks do you think will I get for that question ?
only B right?exactly what i said
Only B, with Fehling's! A big table for only one answer :/exactly what i said
exactly! it made me think i lost many marks out of 10!
Yep, but then I counted the answers for the first part. 7 molecules to draw, 7 marks. The 2nd part for colour change was actually only 3 marks! So we're good
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