State Engineering Entrances - South India (KCET, COMEDK, EAMCET & KEAM)

Organic Reactions & Mechanisms question bank (Engineering Chemistry)

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Q1.
[Engineering Chemistry - CET Assessment #1] Which pair of species is isoelectronic and has identical bond order according to Molecular Orbital Theory?

(A)
F2 and O2^2- (Bond Order = 2)
(B)
O2 and N2 (Bond Order = 2.5)
(C)
CO and NO (Bond Order = 2)
(D)
N2 and CO (Bond Order = 3)
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Q2.
[Engineering Mathematics - CET Assessment #3] Evaluate the limit: lim (x -> 0) [sin(5x) / tan(3x)]

(A)
1
(B)
5 / 3
(C)
3 / 5
(D)
15
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