Chemistry - CSIR NET, GATE & SET: IFAS
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The number of inorganic sulfides in cubane like ferredoxin and their removal method, respectively, are
Anonymous Poll
18%
eight and washing with an acid
38%
four and washing with a base
15%
eight and washing with a base
28%
four and washing with an acid
The number of optically active stereoisomers possible for CH3-CH(OH)-CH(OH)-CH(OH)-CH3 is
Anonymous Poll
29%
2
37%
4
19%
6
15%
8
The correct statement about the difference of second and first excited state energies (โˆ†E) of a particle in 1 - D , 2 - D square and 3 - D cubic boxes with same length for each, is
Anonymous Poll
28%
โˆ†E (1 - D box) =โˆ† E (2 - D box) = โˆ†E (3 - D box)
28%
โˆ† E (1- D box)> โˆ† E (2 - D box) > โˆ† E (3 - D box)
30%
โˆ†E (1- D box)> โˆ†E (2 - D box) = โˆ†E (3 - D box)
14%
โˆ†E (1 - D box) < โˆ† E (2 - D box) < โˆ† E (3 - D box)
CSIR NET Test Series at 199 - Are You In?"
Anonymous Poll
54%
Yes, definitely!
33%
Maybe, need more details.
13%
Not sure at the moment.
A one-dimensional quantum harmonic oscillator is perturbed by a potential ฮปx3. The first order correction to the energy for the ground state (โˆ†E(1)) is
Anonymous Poll
29%
โˆ†E(1) > 0 but < 1
31%
โˆ†E(1) < 0
37%
โˆ†E(1) = 0
3%
โˆ†E(1) > 2
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The pair that contains a spherical top and a symmetric top, among the following, is
Anonymous Poll
20%
CH4, CH2Cl2
35%
CH2Cl2, CH3Cl
37%
CH3Cl, CH4
9%
CH4, C(CH3)4
The electronic transition energy from ฯ€1 โ†’ ฯ€2 in propenyl radical is 4.8 eV. Within the frame work of Huckel theory, the transitions energy from ฯ€1 โ†’ ฯ€3
Anonymous Poll
13%
2.4 eV
43%
4.8 eV
40%
9.6 eV
4%
14.4 Ev
The g-factors of 1H and 13C are 5.6 and 1.4 respectively. For the same value of the magnetic field strength, if the 1H resonates at 600 MHz, the 13C would resonate at
Anonymous Poll
31%
2400 MHz
31%
600 MHz
35%
150 MHz
2%
38 MHz
Are you participating in our 21st dec All India Scholarship Test for CSIR NET Dec 2023?"
Anonymous Poll
54%
Yes, I'm excited!
30%
Planning to join.
16%
Not sure yet.
The term symbol for the ground state of a metal ion is 3P2. The residual entropy of a crystal of a salt of this metal ion at 0 K is
Anonymous Poll
16%
kB ln 1
47%
kB ln 3
33%
kB ln 5
4%
kB ln 7
Four distinguishable molecules are distributed in energy levels E1 and E2 with degeneracy of 2 and 3, respectively. Number of microstates, with 3 molecules in energy level E1 and one in energy level E2, is
Anonymous Poll
18%
4
38%
12
41%
96
3%
192