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Chemistry Exam - Question

Q136. The energy of scattered light is greater than the incident light in
(a) Stoke's line
(b) Anti-Stoke's line
(c) NMR
(d) ESR

Q137. Which of the following element has zero electron affinity
(a) Na
(b) H
(c) Ar
(d) F

Q138. EAN rule is otherwise called as
(a) 18 electron rule
(b) 19 electron rule
(c) 20 electron rule
(d) 22 electron rule

Q139. Which of the allotropes of carbon has network of 20 hexagones and 12 pentagones of can atoms
(a) diamond
(b) fullerene
(c) graphite
(d) carbon nano tubes


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