Magnetic Nature

Q. The paramagnetic species among the following is:
$N{a}^{+},Z{n}^{2+},C{u}^{+},F{e}^{3+}$

1. $N{a}^{+}$
2. $Z{n}^{2+}$
3. $C{u}^{+}$
4. $F{e}^{3+}$

Q. Which of the following is the incorrect trend of the property mentioned against it?

1. $N{O}^{-}>NO>N{O}^{+}$ [bond length]
2. $H_2>H_2^{+}>H{e}_2$ [bond energy]
3. $O_2^{2-}>O_2>O_2^{2+}$ [Magnetic moment]
4. $N{O}_2^{+}>N{O}_2>N{O}_2^{-}$ [bond angle]

Q. Among the following complex ions, which is diamagnetic in nature is

1. $[Co{F}_6{]}^{3-}$
2. $[NiC{l}_4{]}^{2-}$
3. $\left[Ni\right(CN{)}_4{]}^{2-}$
4. $[CuC{l}_4{]}^{2-}$

Q. Which of the following molecules is paramagnetic?

1. $O_2^{-}$
2. $C{N}^{-}$
3. $CO$
4. $N{O}^{+}$

Q.

Which of the following is diamagnetic?

1. Oxygen Molecule

2. Boron Moelcule

3. N₂⁺

4. none

Q.

Oxygen molecule is paramagnetic because

1. Bonding electrons are more than antibonding electrons

2. Contains unpaired electrons

3. Bonding electrons are less than antibonding electrons

4. Bonding electrons are equal to antibonding electrons

Q.

Which among the following pairs are paramagnetic?

1. dioxygen and dinitrogen

2. dioxygen and CO

3. dioxygen and NO

4. CO and NO

Q.

Which among the following pairs are paramagnetic?

1. dioxygen and dinitrogen

2. dioxygen and CO

3. dioxygen and NO

4. CO and NO

Q. The paramagnetic species among the following is:
$N{a}^{+},Z{n}^{2+},C{u}^{+},F{e}^{3+}$

1. $N{a}^{+}$
2. $Z{n}^{2+}$
3. $C{u}^{+}$
4. $F{e}^{3+}$