D:-10
Correct Answer:- Option-D
Question57:-Example of a boson
A:-Photon
B:-Electron
C:-Neutron
D:-Positron
Correct Answer:- Option-A
Question58:-The molecule that has *S_(6)° symmetry element is
8206:

പേല (3)
0:58 (6)
Correct Answer:- Option-D
Question59:-Calculate the dipole moment of NaCl in the gas phase assuming equal and opposite charges equal to the
proton charges. The equilibrium internuclear distance is 236 pm.
ಓ-38 06" ` 10^(-20)` (7)
B:-28° xx’*10*(-15)* Cm
C:-38° xx**10%(-30)° Cm
ഉ:-18 10-30)” ரோ
Correct Answer:- Option-C
Question60:-In the iodometric titration of sodium thiosulfate ("Na_(2)**S_(2)**O_(3)*) with acidic dichromate solution, 25 mL
of 0.1 M dichromate requires 25 mL of 'x' M thiosulfate. The value of 'x' is
A:-0.2
B:-0.1
C:-0.6
D:-0.4
Correct Answer:- Option-D
Question61:-The loss of an alkene fragment by a cyclic rearrangement of acarbonyl compound with [-hydrogen is termed as
A:-Beckman rearrangement
B:-Lossen rearrangement
C:-Cope rearrangement
D:-Mc Lafferty rearrangement
Correct Answer:- Option-D
Question62:-How many peaks do you expect in the proton decoupled CMR spectra of cycloheptane and t-butyl alcohol ?
‏2ھ‎
‎B:-2, 4
C:-1,3
D:-2, 2
Correct Answer:- Option-A
Question63:-The heterocyclic ring present in the amino acid histidine is
A:-Pyridine
B:-Tetrahydrofuran
C:-Indole
D:-Imidazole
Correct Answer:- Option-D
Question64:-The co-enzyme that is involved in the reduction of a double bond in fatty acid bisyntheis is
A:-NADH
B:-Biotin
C:-Pyridoxal
D:-FADH2
Correct Answer:- Option-D
Question65:-Ground state term symbols for Lanthanum and Uranium atom are
221 42), (6)
ಇ20_(2/3),76 ൫
^20 (3/2),^51. (6)
0:-` ^10 (3/2),^51. (5)
Correct Answer:- Option-C
Question66:-The simultaneous Eigen functions of angular momentum operators *L*(2)° and “L_(z)° are