Given below are two statements:
Assertion (A): | [NiCl4]2− is paramagnetic while [Ni(CO)4] is diamagnetic though both are tetrahedral. |
Reason (R): | CO is a strong field ligand, thus pairing of electrons takes place in [Ni(CO)4]. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | (A) is false but (R) is true. |
Assertion (A): | The [Fe(NH3)2(CN)4]– shows geometrical isomerism. |
Reason (R): | [Fe(NH3)2(CN)4]– also show optical isomerism. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |
Given below are two statements:
Assertion (A): | Geometrical isomerism not possible in tetrahedral complexes. |
Reason (R): | Square planar complex may show geometrical isomerism. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |
Assertion: ion shows magnetic moment corresponding to two unpaired electrons.
Reason: Because it has type hybridization.
1. Both assertion and reason are true and the reason is the correct explanation of assertion.
2. Both assertion and reason are true and the reason is not the correct explanation of assertion.
3. Assertion is true but the reason is false.
4. Assertion is false but the reason is true.
Given below are two statements:
Assertion (A): | Complexes of the types MX6 and MX5L (where X and L represent unidentate ligands) do not exhibit geometrical isomerism. |
Reason (R): | Complexes with a coordination number of 6 do not display geometrical isomerism. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |
Given below are two statements:
Assertion (A): | Linkage isomerism arises in coordination compounds containing ambidentate ligand. |
Reason (R): | Ambidentate ligand has two different donor atoms. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | (A) is false but (R) is true. |
Assertion (A): and are reducing in nature.
Reason (R): Unpaired electrons are present in their d-orbitals.
1. Both assertion and reason are true and the reason is the correct explanation of assertion.
2. Both assertion and reason are true and reason is not the correct explanation of assertion.
3. Assertion is true but the reason is false.
4. Assertion is false but reason is true.
Assertion (A): | Toxic metal ions are removed by the chelating ligands. |
Reason (R): | Chelate complexes tend to be more stable. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | (A) is false but (R) is true. |
a. | The hexaquamanganese(II) ion contains five unpaired electrons, while the hexacyanomanganese(II) ion contains only one unpaired electron. |
b. | [Mn(H2O)6]2+ is an outer sphere complex, and [Mn(CN)6]4− is an inner sphere complex. |
c. | Arrangement of the electrons in [Mn(CN)6]4− is t2g5eg0. |
I: | [Fe(H2O)6]3+ is strongly paramagnetic whereas [Fe(CN)6]3− is weakly paramagnetic. |
II: | [Fe(H2O)6]3+ has 4 unpaired electrons while [Fe(CN)6]3− has 5 unpaired electrons. |
1. Both I and II are true.
2. I is true and II is false.
3. Both I and II are false.
4. I is false but II is true.