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Q. No.
Subtopic: van der Waal Force & Hydrogen Bonding |
74%
From NCERT
NEET - 2024
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Match List I with List II.
Choose the correct answer from the option given below:
1. A-II, B-IV, C-III, D-I
2. A-III, B-IV, C-I, D-II
3. A-II, B-III, C-IV, D-I
4. A-I, B-IV, C-II, D-III
| List I (Compound) |
List II (Shape/geometry) |
||
| A. | NH3 | I. | Trigonal Pyramidal |
| B. | BrF5 | II. | Square planar |
| C. | XeF4 | III. | Octahedral |
| D. | SF6 | IV. | Square Pyramidal |
1. A-II, B-IV, C-III, D-I
2. A-III, B-IV, C-I, D-II
3. A-II, B-III, C-IV, D-I
4. A-I, B-IV, C-II, D-III
Subtopic: V.S.E.P.R & V.B.T |
81%
From NCERT
NEET - 2024
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Which one of the following statements is correct?
| 1. | BF3 has non-zero dipole moment. |
| 2. | The dipole moment of NF3 is greater than that of NH3. |
| 3. | Three canonical forms can be drawn for \(\text{CO}_3^{2-}\) ion. |
| 4. | Three resonance structures can be drawn for ozone. |
Subtopic: Polarity | Resonance & Nature of Compounds |
61%
From NCERT
NEET - 2024
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Which one of the following molecules is paramagnetic?
1. \(\mathrm{H}_2\)
2. \(\mathrm{Li}_2\)
3. \(\mathrm{C_2}\)
4. \(\mathrm{O}_2\)
1. \(\mathrm{H}_2\)
2. \(\mathrm{Li}_2\)
3. \(\mathrm{C_2}\)
4. \(\mathrm{O}_2\)
Subtopic: M.O.T |
85%
From NCERT
NEET - 2024
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Arrange the following hydrides in the order of decreasing bond angle:
A. \( \mathrm{SbH}_3 \)
B. \( \mathrm{AsH}_3 \)
C. \(\mathrm{PH}_3 \)
D. \( \mathrm{NH}_3\)
Choose the correct answer from the options given below:
A. \( \mathrm{SbH}_3 \)
B. \( \mathrm{AsH}_3 \)
C. \(\mathrm{PH}_3 \)
D. \( \mathrm{NH}_3\)
Choose the correct answer from the options given below:
| 1. | B > A > D > C | 2. | B > A > C > D |
| 3. | D > C > B > A | 4. | A > C > B > D |
Subtopic: V.S.E.P.R & V.B.T |
82%
From NCERT
NEET - 2024
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The correct shape and hybridisation of \(\text{BrF}_5\) is:
1. Square pyramidal and \(\text{sp}^3\text{d}^2\)
2. Square pyramidal and \(\text{d}^2\text{sp}^3\)
3. Trigonal bipyramidal and \(\text{sp}^3\text{d}^2\)
4. Trigonal bipyramidal and \(\text{d}^2\text{sp}^3\)
1. Square pyramidal and \(\text{sp}^3\text{d}^2\)
2. Square pyramidal and \(\text{d}^2\text{sp}^3\)
3. Trigonal bipyramidal and \(\text{sp}^3\text{d}^2\)
4. Trigonal bipyramidal and \(\text{d}^2\text{sp}^3\)
Subtopic: V.S.E.P.R & V.B.T |
75%
From NCERT
NEET - 2024
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Which pair of the following compounds has one lone pair of electrons on the central atom?
1. \(\mathrm{SF}_4, \mathrm{BrF}_5\)
2. \(\mathrm{SF}_4, \mathrm{ClF}_3\)
3. \(\mathrm{ClF}_3, \mathrm{XeF}_4\)
4. \(\mathrm{XeF}_4, \mathrm{BrF}_5\)
1. \(\mathrm{SF}_4, \mathrm{BrF}_5\)
2. \(\mathrm{SF}_4, \mathrm{ClF}_3\)
3. \(\mathrm{ClF}_3, \mathrm{XeF}_4\)
4. \(\mathrm{XeF}_4, \mathrm{BrF}_5\)
Subtopic: V.S.E.P.R & V.B.T |
85%
From NCERT
NEET - 2024
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Which of the following molecules has "NON ZERO" dipole moment value?
| 1. | \(\mathrm{CCl_4}\) | 2. | \(\mathrm{HI}\) |
| 3. | \(\mathrm{CO_2}\) | 4. | \(\mathrm{BF}_3\) |
Subtopic: Polarity |
79%
From NCERT
NEET - 2024
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Match Column I (Molecule) with Column II (Bond enthalpy) and mark the correct option:
1. A-III, B-IV, C-I, D-II
2. A-IV, B-I, C-III, D-II
3. A-IV, B-III, C-II, D-I
4. A-IV, B-III, C-I, D-II
| Column-I (Molecule) |
Column-II (Bond enthalpy) \(\left(k J \mathrm{~mol}^{-1}\right)\) |
||
| A. | HCl | I. | 435.8 |
| B. | \(\mathrm{N_2}\) | II. | 498 |
| C. | \(\mathrm{H_2}\) | III. | 946.0 |
| D. | \(\mathrm{O_2}\) | IV. | 431.0 |
1. A-III, B-IV, C-I, D-II
2. A-IV, B-I, C-III, D-II
3. A-IV, B-III, C-II, D-I
4. A-IV, B-III, C-I, D-II
Subtopic: Types of Chemical Bond |
63%
From NCERT
NEET - 2024
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The correct order of energies of molecular orbitals of N2 molecule is:
| 1. | \( \sigma \text { 1s }<\sigma^* \text { 1s }<\sigma 2 s<\) \(\sigma^* 2 s<\left(\pi 2 p_x=\pi 2 p_y\right)<\) \(\left(\pi^* 2 p_x=\pi^* 2 p_y\right)<\sigma 2 p_z<\sigma^* 2 p_z\) |
| 2. | \( \sigma \text { 1s }<\sigma^* \text { 1s }<\sigma 2 s<\sigma^* 2 s<\) \(\left(\pi 2 p_x=\pi 2 p_y\right)< \) \(\sigma 2 p_z<\left(\pi^* 2 p_x=\pi^* 2 p_y\right)<\sigma^* 2 p_z \) |
| 3. | \( \sigma \text { 1s }<\sigma^* \text { 1s }<\sigma 2 s<\sigma^* 2 s<\sigma 2 p_z<\) \( \left(\pi 2 p_x=\pi 2 p_y\right)<\) \(\left(\pi^* 2 p_x=\pi^* 2 p_y\right)<\sigma^* 2 p_z \) |
| 4. | \( \sigma \text { 1s }<\sigma^* \text { 1s }\) \(<\sigma 2 s<\sigma^* 2 s<\sigma 2 p_z< \) \( \sigma^* 2 p_z<\left(\pi 2 p_x=\pi 2 p_y\right)<\) \(\left(\pi^* 2 p_x=\pi^* 2 p_y\right) \) |
Subtopic: M.O.T |
71%
From NCERT
NEET - 2023
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