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Q. No.The molecular geometry of XeF5⁺ will be:
1. Square pyramidal
2. Square planar
3. Trigonal bipyramidal
4. Octahedral
Subtopic: Hybridisation |
69%
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In which of the following molecule is the bond angle maximum?
1. \(NF_3\)
2. \(NH_3\)
3. \(PH_3\)
4. \(H_2O\)
1. \(NF_3\)
2. \(NH_3\)
3. \(PH_3\)
4. \(H_2O\)
Subtopic: V.S.E.P.R & V.B.T |
From NCERT
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Identify the incorrect statement among the following options:
| 1. | \(O^+_2\) ion is diamagnetic. |
| 2. | The bond orders of \(O_2^{+},O_2,O^-_2\) and \(O_2^{2-}\) are 2.5, 2, 1.5, and 1, respectively. |
| 3. | \(C_2\) molecule has four electrons in its two degenerate \(\pi \) molecular orbitals. |
| 4. | \(H^+_2 \) ion has one electron. |
Subtopic: M.O.T |
79%
From NCERT
NEET - 2022
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Which one of the following statements is true about the structure of \(\mathrm{CO^{2-}_3}\) ion?
| 1. | It can be explained by considering sp3 hybridization. |
| 2. | Out of the three C–O bonds, two are longer and one is shorter. |
| 3. | It has three sigma and three \(\pi\)-bonds. |
| 4. | All three C–O bonds are equal in length with a bond order in between 1 and 2. |
Subtopic: Resonance & Nature of Compounds |
54%
From NCERT
NEET - 2022
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Which one of the following is the correct order of decreasing bond enthalpies for the given species?
1. \(\mathrm {O^{2-}_2>O^-_2>O_2>N_2 }\)
2. \(\mathrm {N_2>O_2>O^{2-}_2>O^-_2 }\)
3. \(\mathrm {N_2>O_2>O^-_2>O^{2-}_2 }\)
4. \(\mathrm {O_2>N_2>O^-_2>O^{2-}_2 }\)
Subtopic: M.O.T |
74%
From NCERT
NEET - 2022
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| Assertion (A): | Ionic compounds tend to be non-volatile. |
| Reason (R): | The intermolecular forces in these compounds are weak. |
| 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 and (R) is False. |
| 4. | (A) and (R) both are False. |
Subtopic: Ionic Bond |
68%
From NCERT
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Identify the correct statement regarding SF4:
| 1. | It has one lone pair at the equatorial position with two lone pair-bond pair repulsion at 90°. |
| 2. | It has one lone pair at the axial position with two lone pair-bond pair repulsion at 90°. |
| 3. | It has one lone pair at the equatorial position with three lone pair-bond pair repulsion at 90°. |
| 4. | It has one lone pair at the axial position with three lone pair-bond pair repulsion at 90°. |
Subtopic: Hybridisation |
60%
From NCERT
JEE
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Subtopic: Octate, Isoelectronic Species, Lewis Structure & Formal Charge |
83%
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JEE
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What is the correct increasing order for covalent characters of CaCl2, BaCl2, SrCl2 and MgCl2?
1. \(\mathrm{CaCl}_{2}<\mathrm{BaCl}_{2}<\mathrm{SrCl}_{2}<\mathrm{MgCl}_{2} \)
2. \(\mathrm{BaCl}_{2}<\mathrm{SrCl}_{2}<\mathrm{CaCl}_{2}<\mathrm{MgCl}_{2} \)
3. \(\mathrm{CaCl}_{2}<\mathrm{BaCl}_{2}<\mathrm{MgCl}_{2}<\mathrm{SrCl}_{2} \)
4. \(\mathrm{SrCl}_{2}<\mathrm{MgCl}_{2}<\mathrm{CaCl}_{2}<\mathrm{BaCl}_{2} \)
1. \(\mathrm{CaCl}_{2}<\mathrm{BaCl}_{2}<\mathrm{SrCl}_{2}<\mathrm{MgCl}_{2} \)
2. \(\mathrm{BaCl}_{2}<\mathrm{SrCl}_{2}<\mathrm{CaCl}_{2}<\mathrm{MgCl}_{2} \)
3. \(\mathrm{CaCl}_{2}<\mathrm{BaCl}_{2}<\mathrm{MgCl}_{2}<\mathrm{SrCl}_{2} \)
4. \(\mathrm{SrCl}_{2}<\mathrm{MgCl}_{2}<\mathrm{CaCl}_{2}<\mathrm{BaCl}_{2} \)
Subtopic: Acidic, Basic Character & Fajan's Rule |
68%
From NCERT
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If an extra electron is added to the hypothetical molecule C2, this extra electron will occupy the molecular orbital:
1. \(\pi_{2p}\)*
2. \(\pi_{2p}\)
3. \(\sigma_{2p}\)*
4. \(\sigma_{2p}\)
1. \(\pi_{2p}\)*
2. \(\pi_{2p}\)
3. \(\sigma_{2p}\)*
4. \(\sigma_{2p}\)
Subtopic: M.O.T |
55%
From NCERT
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