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Q. No.Given below are two statements:
Statement I:
A hypothetical diatomic molecule with bond order zero is quite stable.
Statement II:
As bond order increases, the bond length increases.
In the light of the above statements, choose the most appropriate answer from the options given below :
1.
Statement I is True but Statement II is False.
2.
Statement I is False but Statement II is True.
3.
Both Statement I and Statement II are True.
4.
Both Statement I and Statement II are False.
Subtopic: M.O.T |
54%
From NCERT
NEET - 2025
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Match List-I with List-II
Choose the correct answer from the options given below:
1. A-IV, B-II, C-III, D-I
2. A-IV, B-II, C-I, D-III
3. A-II, B-I, C-IV, D-III
4. A-II, B-I, C-III, D-IV
| List-I | List-II | ||
| A. | \(XeO_3\) | I. | \(sp^3d;\) linear |
| B. | \(XeO_2\) | II. | \(sp^3;\) pyramidal |
| C. | \(XeOF_4\) | III. | \(sp^3d^3;\) distorted octahedral |
| D. | \(XeF_6\) | IV. | \(sp^3d^2 ;\) square pyramidal |
1. A-IV, B-II, C-III, D-I
2. A-IV, B-II, C-I, D-III
3. A-II, B-I, C-IV, D-III
4. A-II, B-I, C-III, D-IV
Subtopic: V.S.E.P.R & V.B.T |
69%
From NCERT
NEET - 2025
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Identify the correct orders against the property mentioned
Choose the correct answer from the options given below:
1. A and C only
2. B and C only
3. A and D only
4. B and D only
| A. | \(\mathrm{H}_2 \mathrm{O}>\mathrm{NH}_3>\mathrm{CHCl}_3 -\text { }\)dipole moment |
| B. | \(\mathrm{XeF}_4>\mathrm{XeO}_3>\mathrm{XeF}_2-\text { }\)number of lone pairs on central atom |
| C. | \(\mathrm{O}-\mathrm{H}>\mathrm{C}-\mathrm{H}>\mathrm{N}-\mathrm{O}-\text { }\) bond length |
| D. | \(\mathrm{N}_2>\mathrm{O}_2>\mathrm{H}_2 \text { } -\) bond enthalpy |
1. A and C only
2. B and C only
3. A and D only
4. B and D only
Subtopic: M.O.T | Polarity | V.S.E.P.R & V.B.T |
64%
From NCERT
NEET - 2025
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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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Match List-I with List-II:
Identify the correct answer from the option given below:
| List-I (Atom/Molecule) |
List-II (Property) |
||
| A. | Nitrogen | I. | Paramagnetic |
| B. | Fluorine molecule | II. | Most reactive element in group 18 |
| C. | Oxygen molecule | III. | Element with highest ionisation enthalpy in group 15 |
| D. | Xenon atom | IV. | Strongest oxidising agent |
| 1. | A- III, B-I, C-IV, D-II | 2. | A-I, B-IV, C-III, D-II |
| 3. | A-II, B-IV, C-I, D-II | 4. | A-III, B-IV, C-I, D-II |
Subtopic: M.O.T |
81%
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 |
78%
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. | \(\mathrm{XeF}_4, \mathrm{BrF}_5\) |
Subtopic: V.S.E.P.R & V.B.T |
83%
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 |
73%
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 |
81%
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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