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

Q140. Which one of the following is the principal quantum number of "N" shell electrons
(a) 2
(b) 3
(c) 4
(d) 5

Q141. An orbital having 2 angular nodes and one radial node is called _____
(a) 2p
(b) 3p
(c) 3d
(d) 4d

Q142. In a zero order reaction, the half life period is equal to ____ initial concentration
(a) Inversely proportional
(b) Directly proportional
(c) Equally proportional
(d) Complex proportional

Q143. A cyclotron cannot accelerate
(a) Deutrons
(b) Neutrons
(c) Proton
(d) Alpha particles

Q144. The activity coefficient of strong electrolytes is
(a) Zero
(b) One
(c) less than one
(d) greater than one

Q145. How many oxygen atoms are there in citral
(a) 1
(b) 2
(c) 4
(d) 12

Q146. Which among the following has highest molecular weight
(a) glucose
(b) fructose
(c) sucrose
(d) amylose

Q147. For the separation of Methane, Ethane and Ethylene mixture, the best adsorbent used in gas chromatography is
(a) Alumina
(b) Solid matrix
(c) Silica gel
(d) Activated charcoal

Q148. Carbon monoxide (CO) is isoelectronic with
(a) N₂
(b) O₂
(c) NO
(d) CN^-

Q149. Which of the following statements regarding solubility of LiF and LiI in water at room temperature is correct
(a) Both are equally soluble
(b) Both are insoluble
(c) LiF is more soluble than LiI
(d) LiI is more soluble than LiF

Q150. The element which causes chemical interference in Atomic Absorption spectroscopy is
(a) Al
(b) Sr
(c) La
(d) Mn

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