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Q. No.Homoleptic complex from the following complexes is:
1. Triamminetriaquachromium (III)
2. Potassium trioxalatoaluminate (III)
3. Diamminechloridonitrito-N-platinum (II)
4. Pentaamminecarbonatocobalt (III) chloride
Subtopic: Introduction, Classification and Nomenclature |
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NEET - 2023
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The most stable compound, among the following, is:
1. [Co(NH3)6]2(SO4)3
2. [Co(NH3)4(H2O)Br](NO3)2
3. [Co(NH3)3(NO3)3]
4. [CoCl2(en)2]NO3
1. [Co(NH3)6]2(SO4)3
2. [Co(NH3)4(H2O)Br](NO3)2
3. [Co(NH3)3(NO3)3]
4. [CoCl2(en)2]NO3
Subtopic: Organometallic Complexes & their Uses |
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Which of the following sets represents a complex and a double salt, respectively?
1. CuSO4.5H2O and CuCl2,4NH3
2. PtCl2.2NH3 and PtCl4.2HCl
3. K2PtCl2.2NH3 and KAl(SO4)2.12H2O
4. NiCl2.6H2O and NiCl2(H2O)4
1. CuSO4.5H2O and CuCl2,4NH3
2. PtCl2.2NH3 and PtCl4.2HCl
3. K2PtCl2.2NH3 and KAl(SO4)2.12H2O
4. NiCl2.6H2O and NiCl2(H2O)4
Subtopic: Introduction, Classification and Nomenclature |
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NEET - 2023
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Type of isomerism exhibited by compounds
[Cr(H2O)6Cl3, [Cr(H2O)5Cl]Cl2.H2O,
[Cr(H2O)4Cl2]Cl.2H2O and the value of coordination number (CN) of central metal ion in all these compounds, respectively is:
1. Geometrical isomerism, CN = 2
2. Optical isomerism, CN = 4
3. Ionisation isomerism, CN = 4
4. Solvate isomerism, CN = 6
[Cr(H2O)6Cl3, [Cr(H2O)5Cl]Cl2.H2O,
[Cr(H2O)4Cl2]Cl.2H2O and the value of coordination number (CN) of central metal ion in all these compounds, respectively is:
1. Geometrical isomerism, CN = 2
2. Optical isomerism, CN = 4
3. Ionisation isomerism, CN = 4
4. Solvate isomerism, CN = 6
Subtopic: Isomerism in Coordination Compounds |
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NEET - 2023
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Select the correct option based on statements below:
| Assertion (A): | The metal carbon bond in metal carbonyls possesses both \(\sigma\) and \(\pi\) character. |
| Reason (R): | The ligand to metal bond is a \(\pi\) bond and metal to ligand bond is a \(\sigma\) bond. |
| 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: Organometallic Complexes & their Uses |
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NEET - 2022
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Match List-I with List-II :
Choose the correct answer from the options given below:
| List-I (Complexes) | List-II (Type of isomer) | ||
| A. | [Co(NH3)5NO2]Cl2 and [Co(NH3)5ONO]Cl2 | I. | Ionisation isomerism |
| B. | [Cr(NH3)6] [Co(CN)6] and [Cr(CN)6][Co(NH3)6] | II. | Coordination isomerism |
| C. | [Co(NH3)5(SO4)]Br and [Co(NH3)5Br]SO4 | III. | Linkage isomerism |
| D. | [Cr(H2O)6]Cl3 and [Cr(H2O)5Cl]Cl2.H2O | IV. | Solvate isomerism |
| (A) | (B) | (C) | (D) | |
| 1. | (III) | (I) | (II) | (IV) |
| 2. | (II) | (III) | (IV) | (I) |
| 3. | (III) | (II) | (I) | (IV) |
| 4. | (IV) | (III) | (II) | (I) |
Subtopic: Isomerism in Coordination Compounds |
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NEET - 2022
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The correct order of spin-only magnetic moment for the given complexes is:
1. \([Co(H_2O)_6]^{2+} > [MnCl_6]^{3-} > [Fe(CN)_6]^{3-} \)
2. \([Fe(CN)_6]^{3-} >[Co(H_2O)_6]^{2+} > [MnCl_6]^{3-} \)
3. \([MnCl_6]^{3-} >[Fe(CN)_6]^{3-} >[Co(H_2O)_6]^{2+} \)
4. \([MnCl_6]^{3-} > [Co(H_2O_6]^{2+} > [Fe(CN)_6]^{3-} \)
Subtopic: VBT, CFT & their Limitations |
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NEET - 2022
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The number of bridging carbonyl groups in [Co2(CO)8] and [Mn2(CO)10], respectively are:
| 1. | 2 and 0 | 2. | 2 and 2 |
| 3. | 2 and 4 | 4. | 0 and 2 |
Subtopic: Organometallic Complexes & their Uses |
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The order of energy absorbed which is responsible for the color of complexes is:
\((A) \ \left[\mathrm{Ni}\left(\mathrm{H}_{2} \mathrm{O}\right)_{2}(\text { en })_{2}\right]^{2+}\)
\( (B) \ \left[\mathrm{Ni}\left(\mathrm{H}_{2} \mathrm{O}\right)_{4}(\mathrm{en})\right]^{2+} and\)\( (C) \ \left[\mathrm{Ni}(\mathrm{en})_{3}\right]^{2+}\)
\((A) \ \left[\mathrm{Ni}\left(\mathrm{H}_{2} \mathrm{O}\right)_{2}(\text { en })_{2}\right]^{2+}\)
\( (B) \ \left[\mathrm{Ni}\left(\mathrm{H}_{2} \mathrm{O}\right)_{4}(\mathrm{en})\right]^{2+} and\)\( (C) \ \left[\mathrm{Ni}(\mathrm{en})_{3}\right]^{2+}\)
| 1. | B > A > C | 2. | A > B > C |
| 3. | C > B > A | 4. | C > A > B |
Subtopic: VBT, CFT & their Limitations |
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The IUPAC name of the following complex is:
[Ag(H₂O)₂][Ag(CN)₂]
1. Diaquasilver(I) dicyanidoargentate (I)
2. Dicyanidosilver(II) diaquaargentate(II)
3. Diaquasilver(II) dicyanidoargentate(II)
4. Dicyanidosilver(I) diaquaargentate(I)
[Ag(H₂O)₂][Ag(CN)₂]
1. Diaquasilver(I) dicyanidoargentate (I)
2. Dicyanidosilver(II) diaquaargentate(II)
3. Diaquasilver(II) dicyanidoargentate(II)
4. Dicyanidosilver(I) diaquaargentate(I)
Subtopic: Introduction, Classification and Nomenclature |
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