B:-MgO
C:-Dolomite
D:-Polymeric resin
Correct Answer:- Option-C
Question66:-5TM shows images of atoms based on :
A:-The thickness of the atom
B:-The mass of the atom
C:-Friction caused by rubbing the tip of the atom
D:-The amount of tunneling current
Correct Answer:- Option-D

Question67:-In which method the voltage applied across the indicator electrode and reference electrode is kept constant
and the cumrent passing through the cell is measured and plotted against the volume of reagent 7

A:-Amperometry
B:-Voltametry
C:-Polarography
D:-Conductometry
Correct Answer:- Option-A

Question68:-Name the effect which says that the wavelength of an X-ray increases when it is scattered by an atomic
electron.

A:-Zeeman

B:-Compton

C:-Jahn Teller

D:-Stark

Correct Answer:- Option-B
Question69:-The characteristic absorption bands of the carbonyl group in IR spectra are given below. Which one is incomect
7

A:-"CH_3CHO-1740 em™-1"
B:-"CH_3COCH_3-1700 cm~-1"
C:-*CH_3COOH" *-* 1650-1700 cm™-1"
0:6௫ 5000-1700 5-1
Correct Answer:- Option-C
Question70:-Which of the options given below represents eigen equation 7
ಹ್ಗ
8:11
ரி
D:-H
Correct Answer:-Question Cancelled
Question71:-Which of the following molecules will show an absorption in UV/Visible region 7
കടലല
8:- (
ടല
Di-'CH_2=0"
Correct Answer:- Option-D
Question72:-Atomic force microscopy shows images of surfaces through :
A:-Current that flows from the surface to the tip
B:-The force of the surface on the tip
C:-Diffraction of electrons around the molecules of the surface
D:-Movement of the laser along the surface
Correct Answer:- Option-B
Question73:-Identify the non-aromatic compound in the following :
A:-Cyclodecapentene
B:-Annulene
C:-Cyclooctatetraene
D:-Cyclopropenyl anion
Correct Answer:- Option-A
Question74:-Wave function [ന quantum mechanics represents :
A:-Probability of the system
B:-Shape of the system
C:-Energy of the system
D:-A state of the system