- Total number of questions: 65
- 30 questions carry one mark each
- 35 questions carry two marks each
- Negative marking: 1/3 of the marks allotted to the question
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Exam Details
Chemistry (CY) 2012
Review the key details, then start the test when you are ready. You can also open the full package to see related papers.
Questions
65
Duration
180 mins
Package
Chemistry (CY) - Previous Year Papers
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65questions
Easy
65
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65questions
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65
100%
Instructions
Chemistry (CY) 2012 – Instructions
Syllabus
Full Syllabus
Sample questions from this paper
Questions are selected across the paper subjects wherever the paper contains that variety.
2012 · Unclassified
Chemistry (CY) 2012
Q.1 – Q.25 carry one mark each.
In the proton decoupled 13C NMR spectrum of 7-norbornanone, the number of signals obtained is
2012 · Unclassified
Chemistry (CY) 2012
Identify the most probable product in the given reaction
/2012/IMAGE_42.png)
O2/benzoyl peroxide → Product
A
B
C
D
2012 · Unclassified
Chemistry (CY) 2012
In the cyclization reaction given below, the most probable product formed is
Br
NaH → Product
A
B
C
D
/2012/IMAGE_48.png)
2012 · Unclassified
Chemistry (CY) 2012
If Δy and Δpγ are the uncertainties in the y-coordinate and the y component of the momentum of a particle respectively, then, according to uncertainty principle ΔyΔpγ is (h = ħ/2π and h is Planck’s constant)
2012 · Unclassified
Chemistry (CY) 2012
The average length of a typical α-helix comprised of 10 amino acids is
2012 · Unclassified
Chemistry (CY) 2012
Number of thymine residues in a 5000 kb DNA containing 23% guanine residues is