Out of the following complex compounds, which of the compounds will have the minimum conductance in solution?
| a. | \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right] \mathrm{Cl}_3 \) | b. | \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5 \mathrm{Cl}\right] \mathrm{Cl} \) |
| c. | \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_3 \mathrm{Cl}_3\right] \) | d. | \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]\) |
| 1. | a and b | 2. | a,b, and c |
| 3. | c and d | 4. | b, c, and d |
Subtopic: Introduction, Classification and Nomenclature |
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Level 3: 35%-60%
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Which of the following aqueous solution will exhibit highest boiling point?
1. \(0.01 \mathrm{M} ~\mathrm{Na}_2 \mathrm{SO}_4 \)
2. \(0.015 \text M~\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6 \)
3. \(0.01 \text {M Urea} \)
4. \(0.01 \mathrm{M} ~\mathrm{KNO}_3\)
1. \(0.01 \mathrm{M} ~\mathrm{Na}_2 \mathrm{SO}_4 \)
2. \(0.015 \text M~\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6 \)
3. \(0.01 \text {M Urea} \)
4. \(0.01 \mathrm{M} ~\mathrm{KNO}_3\)
Subtopic: Elevation of Boiling Point | Van’t Hoff Factor |
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Level 2: 60%+
NEET - 2025
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the correct answer from the options given below :
| Assertion (A): |  undergoes \(S_N2\) reaction faster than  |
| Reason (R): | Iodine is a better leaving group because of its larger size. |
In the light of the above statements, choose the correct answer from the options given below :
| 1. | (A) is True but (R) is False |
| 2. | (A) is False but (R) is True |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
Subtopic: Mechanism of Reactions |
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Level 2: 60%+
NEET - 2025
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Consider the following compounds:
\(\underline KO_2, H_2 \underline O_2\) and \(H_2 \underline SO_4\)
The oxidation states of the underlined elements in them are, respectively:
1. +1, -2 and +4
2. +4 , -4 and +6
3. +1, -1 and +6
4. +2, -2 and +6
\(\underline KO_2, H_2 \underline O_2\) and \(H_2 \underline SO_4\)
The oxidation states of the underlined elements in them are, respectively:
1. +1, -2 and +4
2. +4 , -4 and +6
3. +1, -1 and +6
4. +2, -2 and +6
Subtopic: Introduction to Redox and Oxidation Number |
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Level 3: 35%-60%
NEET - 2025
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Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Haber process | I. | Fe catalyst |
| B. | Wacker oxidation | II. | \(PdCl_2\) |
| C. | Wilkinson catalyst | III. | \([PPh_3)_3 RhCl]\) |
| D. | Ziegler catalyst | IV. | \(TiCl_4~ \text {with}~ Al(CH_3)_3\) |
| 1. | A-I, B-II, C-III, D-IV | 2. | A-I, B-IV, C-III, P-II |
| 3. | A-I, B-II, C-IV, D-III | 4. | A-II, B-III, C-I, D-IV |
Subtopic: Organometallic Complexes & their Uses |
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Level 2: 60%+
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Given below are two statements :
In light of the above statements, choose the most appropriate answer from the options given below:
| Statement I: | Like nitrogen that can form ammonia, arsenic can form arsine. |
| Statement II: | Antimony cannot form antimony pentoxide. |
In light of the above statements, choose the most appropriate answer from the options given below:
| 1. | Statement I is correct but Statement II is incorrect |
| 2. | Statement I is incorrect but Statement II is correct |
| 3. | Both Statement I and Statement II are correct |
| 4. | Both Statement I and Statement II are incorrect |
Subtopic: Group 15 - Preparation, Properties & Uses |
Level 3: 35%-60%
NEET - 2025
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Given below are two statements :
In the light of the above statements, choose the correct answer from the options given below:
| Statement I: | Ferromagnetism is considered as an extreme form of paramagnetism. |
| Statement II: | The number of unpaired electrons in a \(Cr^{2+}\)ion (Z = 24) is the same as that of a \(Nd^{3+}\) ion (Z = 60). |
| 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: d-Block Elements- Properties & Uses | f-Block Elements- Properties & Uses |
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NEET - 2025
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Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
59%
Level 3: 35%-60%
NEET - 2025
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Match List-I with List-II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | \(XeO_3\) | I. | \(sp^3d;\) linear |
| B. | \(XeF_2\) | 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%
Level 2: 60%+
NEET - 2025
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How many products (including stereoisomers) are expected from monochlorination of the following compound?
| 1. | 5 | 2. | 6 |
| 3. | 2 | 4. | 3 |
Subtopic: Isomerism & Chirality |
Level 3: 35%-60%
NEET - 2025
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