IIT-JAM-CY SERIES Chemistry
Magnetic Properties
5 previous year questions.
Volume: 5 Ques
Yield: Medium
High-Yield Trend
5
2019 Chapter Questions 5 MCQs
01
PYQ 2019
medium
chemistry ID: iit-jam-
The observed magnetic moments of octahedral Mn , Fe and Co complexes are 4.95, 6.06 and 0.00 BM, respectively. The correct option for the electronic configuration of Mn , Fe and Co metal ions in these complexes, respectively, is
1
t e , t e and t e
2
t e , t e and t e
3
t e , t e and t e
4
t e , t e and t e
02
PYQ 2019
medium
chemistry ID: iit-jam-
The ionization energy of hydrogen atom is 13.6 eV and the first ionization energy of sodium atom is 5.1 eV. The effective nuclear charge experienced by the valence electron of sodium atom is ................. (Round off to one decimal place)
03
PYQ 2019
medium
chemistry ID: iit-jam-
The magnetic field strength required to excite an isolated proton to its higher spin state with an electromagnetic radiation of 300 MHz is ................ Tesla. (Round off to two decimal places)
\text{[Magnetogyric ratio of proton is } 26.75 \times 10^7 \text{ rad T}^{-1} \text{ s}^{-1}]
\text{[Magnetogyric ratio of proton is } 26.75 \times 10^7 \text{ rad T}^{-1} \text{ s}^{-1}]
04
PYQ 2019
medium
chemistry ID: iit-jam-
The correct statement(s) about NO , NO and CO is/are
1
Both NO and CO are paramagnetic.
2
NO is paramagnetic and NO is diamagnetic.
3
Both CO and NO have linear geometry.
4
CO and NO are isoelectronic.
05
PYQ 2019
medium
chemistry ID: iit-jam-
The correct statement regarding the observed magnetic properties of NO, O , B and C in their ground state is
1
NO, B , and C are paramagnetic
2
O , O and NO are paramagnetic
3
O , C and NO are paramagnetic
4
O , B and C are paramagnetic