Select Chapter Topics:
Q. No.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 |
61%
Level 2: 60%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.
The pair of ions that is isoelectronic with \(\text{Al}^{3+}\) ion is:
1. \(\mathrm{Mg}^{2+}, \mathrm{O}^{2-} \)
2. \(\mathrm{Na}^{+}, \mathrm{N}^{2-} \)
3. \(\mathrm{C}^{4-}, \mathrm{Cl}^{-} \)
4. \(\mathrm{F}^{-}, \mathrm{Mg}^{+} \)
1. \(\mathrm{Mg}^{2+}, \mathrm{O}^{2-} \)
2. \(\mathrm{Na}^{+}, \mathrm{N}^{2-} \)
3. \(\mathrm{C}^{4-}, \mathrm{Cl}^{-} \)
4. \(\mathrm{F}^{-}, \mathrm{Mg}^{+} \)
Subtopic: Octate, Isoelectronic Species, Lewis Structure & Formal Charge |
90%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Species, among the following, that experience an increase in bond strength upon the removal of an electron are:
(a) B2
(b) NO
(c) N2
(d) O2
(e) C2
Choose the correct option:
1. (b) and (d)
2. (a), (b) and (d)
3. (b) and (e)
4. (b) and (c)
(a) B2
(b) NO
(c) N2
(d) O2
(e) C2
Choose the correct option:
1. (b) and (d)
2. (a), (b) and (d)
3. (b) and (e)
4. (b) and (c)
Subtopic: M.O.T |
75%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
How many molecules among the following exhibit a non-zero dipole moment?
\(BeF_2 , BF_3 , H_2O , NH_3 , HCl , CCl_4 \)
1. Four (4)
2. Six (6)
3. Zero (0)
4. Three (3)
\(BeF_2 , BF_3 , H_2O , NH_3 , HCl , CCl_4 \)
1. Four (4)
2. Six (6)
3. Zero (0)
4. Three (3)
Subtopic: Polarity |
79%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
Among the following compounds, how many contain two lone pairs on the central atom?
XeF4, H2O, SF4, CF4
1. 4
2. 1
3. 2
4. 0
XeF4, H2O, SF4, CF4
1. 4
2. 1
3. 2
4. 0
Subtopic: V.S.E.P.R & V.B.T |
74%
Level 2: 60%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.
Subtopic: Octate, Isoelectronic Species, Lewis Structure & Formal Charge |
84%
Level 1: 80%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.
Match the compounds given in Column-I with their respective hybridisation which is given in Column-II.
Correct matching is:
| Column-I (Compound) | Column-II Hybridisation | ||
| (i) | \(PCl_5 \) | (a) | \(sp^3d^2 \) |
| (ii) | \([Pt(CN)_4]^{-2} \) | (b) | \(sp^3d \) |
| (iii) | \([Co(NH_3)_6]^{3+} \) | (c) | \(d^2sp^3 \) |
| (iv) | \(BrF_5 \) | (d) | \(dsp^2 \) |
| I | II | III | IV | |
| 1. | b | d | c | a |
| 2. | a | b | c | d |
| 3. | b | d | a | c |
| 4. | d | b | a | c |
Subtopic: Hybridisation | V.S.E.P.R & V.B.T |
82%
Level 1: 80%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.
Identify the correct increasing strength of intermolecular H-bonding.
1. \(\mathrm{HCN}<\mathrm{H}_2 \mathrm{O}<\mathrm{NH}_3\)
2. \(\mathrm{HCN}<\mathrm{CH}_4<\mathrm{NH}_3\)
3. \(\mathrm{CH}_4<\mathrm{HCN}<\mathrm{NH}_3\)
4. \(\mathrm{CH}_4<\mathrm{NH}_3<\mathrm{HCN}\)
1. \(\mathrm{HCN}<\mathrm{H}_2 \mathrm{O}<\mathrm{NH}_3\)
2. \(\mathrm{HCN}<\mathrm{CH}_4<\mathrm{NH}_3\)
3. \(\mathrm{CH}_4<\mathrm{HCN}<\mathrm{NH}_3\)
4. \(\mathrm{CH}_4<\mathrm{NH}_3<\mathrm{HCN}\)
Subtopic: van der Waal Force & Hydrogen Bonding |
51%
Level 3: 35%-60%
JEE
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following statement is incorrect regarding PCl5?
1. In PCl5, axial bonds are longer than equatorial bonds.
2. It has a trigonal bipyramidal structure.
3. 3 chlorine atoms are in the same plane.
4. Hybridisation of 'P' is sp3d2.
1. In PCl5, axial bonds are longer than equatorial bonds.
2. It has a trigonal bipyramidal structure.
3. 3 chlorine atoms are in the same plane.
4. Hybridisation of 'P' is sp3d2.
Subtopic: Hybridisation |
78%
Level 2: 60%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.
Match the molecules in Column-I with their corresponding molecular shapes in Column-II.
Choose the correct matching sequence:
| Column-I (Molecule) |
Column-II (Shape) |
||
| (i) | BF3 | (a) | T-shape |
| (ii) | SF4 | (b) | Square planar |
| (iii) | XeF4 | (c) | See-saw |
| (iv) | ClF3 | (d) | Trigonal planar |
| (i) | (ii) | (iii) | (iv) | |
| 1. | d | c | b | a |
| 2. | a | b | c | d |
| 3. | d | a | c | d |
| 4. | b | c | d | a |
Subtopic: V.S.E.P.R & V.B.T |
86%
Level 1: 80%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.
Select Chapter Topics:
© 2026 GoodEd Technologies Pvt. Ltd.