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Q. No.Select the correct option based on statements below:
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.
2. I is true and II is false.
3. Both I and II are false.
4. I is false but II is true.
Subtopic: VBT, CFT & their Limitations |
77%
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Consider the following statements.
The correct statement(s) is/are
1. a, b only
2. b, c only
3. a, b, c
4. None of the above
| 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. |
The correct statement(s) is/are
1. a, b only
2. b, c only
3. a, b, c
4. None of the above
Subtopic: VBT, CFT & their Limitations |
79%
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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. |
Subtopic: VBT, CFT & their Limitations |
71%
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| Statement I: | [Ni(CN)4]2− structure is tetrahedral and diamagnetic in nature. |
| Statement II: | [NiCl4]2− structure is tetrahedral and diamagnetic in nature. |
1. Both Statement I and II are true.
2. Statement I is true and statement II is false.
3. Both Statement I and II are false.
4. Statement I is false, Statement II is true.
Subtopic: VBT, CFT & their Limitations |
59%
From NCERT
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Match the items in column I in with column II.
1. a-iv; b-iii; c-ii; d-i
2. a-iv; b-i; c-ii; d-iii
3. a-iii; b-i; c-iv; d-ii
4. a-ii; b-iv; c-i; d-iii
| Column I | Column II | ||
| a. | K3[Fe(C2O4)3] | i. | Diamminechlorido(methylamine)platinum(II) chloride |
| b. | [Co(NH3)5Cl]Cl2 | ii. | Potassium trioxalatoferrate(III) |
| c. | [Pt(NH3)2Cl(NH2CH3)]Cl | iii. | Potassium tetrachloridopalladate(II) |
| d. | K2[PdCl4] | iv. | Pentaamminechloridocobalt(III) chloride |
2. a-iv; b-i; c-ii; d-iii
3. a-iii; b-i; c-iv; d-ii
4. a-ii; b-iv; c-i; d-iii
Subtopic: Introduction, Classification and Nomenclature |
91%
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| 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. |
Subtopic: Isomerism in Coordination Compounds |
62%
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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. |
Subtopic: Isomerism in Coordination Compounds |
76%
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The correct statements among the following are:
| (I) | Valence bond theory cannot explain the color exhibited by transition metal complexes. |
| (II) | Valence bond theory can predict quantitatively the magnetic properties of transition metal complexes. |
| (III) | Valence bond theory cannot distinguish ligands as weak and strong field ones. |
1. (I), (II), and (III)
2. (II), and (III) only
3. (I), and (II) only
4. (I), and (III) only
Subtopic: VBT, CFT & their Limitations |
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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.
Subtopic: VBT, CFT & their Limitations |
77%
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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. |
Subtopic: Isomerism in Coordination Compounds |
77%
From NCERT
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