The hybridisation of [FeF6]3- is:
1. | sp3d2 | 2. | d2sp3 |
3. | dsp3 | 4. | sp3 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe compound with the highest magnetic moment value is:
1. \( {\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}} \)
2. \( {\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}} \)
3. \({\left[\mathrm{Zn}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}} \)
4. \( {\left[\mathrm{Ti}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe difference between a weak field ligand and a strong field ligand is:
1. | Weak field ligands cause higher splitting in the d orbitals than strong field ligands. |
2. | Weak field ligands cause lower splitting in the d orbitals than strong field ligands. |
3. | Strong field ligands did not form a complex with metal ion. |
4. | None of the above. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe crystal field splitting energy is:
1. | The heat of formation between the two levels (eg and t2g) |
2. | The combined pairing energy of the two levels (eg and t2g) |
3. | The combined energy of the three levels in octahedral |
4. | The combined energy of the two levels ( and ) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology[Cr(NH3)6]3+ is paramagnetic ,while is diamagnetic because:
1. | Electrons in the 3d orbitals remain unpaired in |
2. | Electrons in the 3d orbitals remain unpaired in [Cr(NH3)6]3+ |
3. | Electrons in the 3p orbitals remain unpaired in [Cr(NH3)6]3+ |
4. | Electrons in the 3p orbitals remain unpaired in |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe greater value of the stability constant of complex salt indicates:
1. The greater proportion of products.
2. The greater proportion of reactants
3. Lesser concentration of catalyst at equilibrium
4. All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct order for the wavelengths of absorption in the visible region for the following is:
\(\left[\mathrm{Ni}\left(\mathrm{NO}_2\right)_6\right]^{4-},\left[\mathrm{Ni}\left(\mathrm{NH}_3\right)_6\right]^{2+},\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}\)
1. < <
2. > >
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe number of unpaired electrons in the following complexes respectively are-
1. 1, 4, 5
2. 2, 4, 5
3. 0, 3, 4
4. 2, 3, 4
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct splitting diagram of d orbitals in an octahedral crystal field is:
1. | 2. | ||
3. | 4. | None of these. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology