Which of the following reaction is not a disproportionation reaction?
| 1. | \(2 \mathrm{~F}_{2(g)}+2 \mathrm{OH}_{(a q)}^{-} \rightarrow 2 \mathrm{~F}_{(a q)}^{-}+\mathrm{OF}_{2(g)}+\mathrm{H}_2 \mathrm{O}_{(l)}\) |
| 2. | \(\mathrm{Cl}_{2(g)}+2 \mathrm{OH}^{-}_{(a q)} \rightarrow \mathrm{ClO}_{(a q)}^{-}+\mathrm{Cl}_{(a q)}^{-}+\mathrm{H}_2 \mathrm{O}_{(l)}\) |
| 3. | \(2 \mathrm{NO}_{2(g)}+2 \mathrm{OH}^{-}_{(\mathrm{aq})} \rightarrow \mathrm{NO}_{2(\mathrm{aq})}^{-}+\mathrm{NO}_{3(\mathrm{aq})}^{-}+\mathrm{H}_2 \mathrm{O}_{(l)}\) |
| 4. | \(2 \mathrm{H}_2 \mathrm{O}_{2(aq)} \rightarrow 2 \mathrm{H}_2 \mathrm{O}_{(l)}+\mathrm{O}_{2(g)}\) |
Subtopic: Redox Titration & Type of Redox |
55%
Level 3: 35%-60%
NEET - 2024
Hints
Isotope of an element contains \(19.23 \%\) more neutrons as compared to protons. The correct element along with its mass number is: (Given Atomic number \(\mathrm{Fe: 26, Co: 27}\) )
| 1. | \(\mathrm {^{56}Fe }\) | 2. | \({ }^{57} \mathrm{Fe}\) |
| 3. | \({ }^{57} \mathrm{Co}\) | 4. | \({ }^{60} \mathrm{Co}\) |
Subtopic: Number of Electron, Proton & Neutron |
56%
Level 3: 35%-60%
NEET - 2024
Hints
Which of the following expressions correctly represents the relationship between the
rate of disappearance of HI and the rate of appearance of H₂ for the reaction:
2HI(g) → H₂(g) + I₂(g)
| 1. | \(\dfrac{-\Delta[\mathrm{H}I]}{\Delta t}=\dfrac{2 \Delta\left[\mathrm{H}_2\right]}{\Delta t}\) | 2. | \(\dfrac{-\Delta[\mathrm{HI}]}{\Delta t}=\dfrac{4\Delta\left[\mathrm{I}_2\right]}{\Delta t}\) |
| 3. | \(\dfrac{-\Delta[\mathrm{HI}]}{\Delta t}=\dfrac{4 \Delta\left[\mathrm{H}_2\right]}{\Delta t}\) | 4. | \( \dfrac{-\Delta[\mathrm{HI}]}{\Delta t}=\dfrac{\Delta\left[\mathrm{H}_2\right]}{\Delta t}\) |
Subtopic: Definition, Rate Constant, Rate Law |
89%
Level 1: 80%+
NEET - 2024
Hints
Given below are two statements:
| Statement I: | The energy of the \(\mathrm{He}^{+}\) ion in \(n=2\) state is same as the energy of H atom in \(n=1\) state. |
| Statement II: | It is possible to determine simultaneously the exact position and exact momentum of an electron in \(\mathrm{H}\) atom. |
| 1. | Both Statement I and Statement II are true |
| 2. | Both Statement I and Statement II are false |
| 3. | Statement I is true and Statement II is false |
| 4. | Statement I is false, and Statement II is true |
Subtopic: Bohr's Theory | Heisenberg Uncertainty Principle |
66%
Level 2: 60%+
NEET - 2024
Hints
Match List-I with List-II:
Choose the correct answer from the options given below:
1. A-II, B-IV, C-III, D-I
2. A-II, B-III, C-IV, D-I
3. A-II, B-III, C-I, D-IV
4. A-IV, B-I, C-III, D-II
| List-I (Reactions) |
List-II (Products) |
||
| A. |  |
I. | \(\small\mathrm{{\left({CH}_3\right)_2 {C}={O}+{CO}_2+\mathrm{H}_2 {O} }}\) |
| B. |  |
II. |  |
| C. |  |
III. |  |
| D. |  |
IV. | \(\left(\mathrm{CH}_3\right)_3 \mathrm{C}-\mathrm{OH} \) |
Choose the correct answer from the options given below:
1. A-II, B-IV, C-III, D-I
2. A-II, B-III, C-IV, D-I
3. A-II, B-III, C-I, D-IV
4. A-IV, B-I, C-III, D-II
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
72%
Level 2: 60%+
NEET - 2024
Hints
The technique used to purify liquids having high boiling points and getting decomposed at or below their boiling points is:
1. Fractional distillation
2. Steam distillation
3. Simple distillation
4. Distillation under reduced pressure
1. Fractional distillation
2. Steam distillation
3. Simple distillation
4. Distillation under reduced pressure
Subtopic: Qualitative Analysis of Organic Compounds |
61%
Level 2: 60%+
NEET - 2024
Hints
Match List-I with List-II
Choose the correct answer from the options given below:
| List-I (Element) |
List-II (Most Common oxidation state/s) |
||
| A. | \(\mathrm{Fe}\) | I. | +2, +7 |
| B. | V | II. | +3, +2 |
| C. | \(\mathrm{Mn}\) | III. | +4 |
| D. | \(\mathrm{Ti}\) | IV. | +5 |
| 1. | A-II, B-IV, C-I, D-III | 2. | A-IV, B-II, C-I, D-III |
| 3. | A-II, B-I, C-IV, D-III | 4. | A-I, B-IV, C-II, D-III |
Subtopic: d-Block Elements- Properties & Uses |
81%
Level 1: 80%+
NEET - 2024
Hints
Match the reagents in List-I with the corresponding reactions in List-II:
Choose the correct answer from the options given below:
1. A-II, B-III, C-I, D-IV
2. A-IV, B-III, C-I, D-II
3. A-I, B-III, C-IV, D-II
4. A-II, B-I, C-III, D-IV
| List-I (Reagent) |
List-II (Name of the reaction) |
||
| A | \(\mathrm{{H}_2, {Pd}-{Ba}S {O}_4}\) | I | Gattermann-Koch reaction |
| B | \(\mathrm{{(i) \; {CrO}_2 {Cl}_2, {CS}_2\\ (ii) ~{H}_2 {O}/H^+}}\) | II | Reimer-Tiemann reaction |
| C | \(\mathrm{{CO, HCl, Anhyd.~\\ {AlCl}_3 / {CuCl}}}\) | III | Etard reaction |
| D | \(\mathrm{{CHCl}_3, {NaOH}}\) | IV | Rosenmund reduction |
Choose the correct answer from the options given below:
1. A-II, B-III, C-I, D-IV
2. A-IV, B-III, C-I, D-II
3. A-I, B-III, C-IV, D-II
4. A-II, B-I, C-III, D-IV
Subtopic: Aldehydes & Ketones: Preparation & Properties |
92%
Level 1: 80%+
NEET - 2024
Hints
Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true
| Statement I: | \(2 \mathrm{~F}\) electricity is required for the oxidation of 1 mole \(\mathrm{H}_2 \mathrm{O}\) to \(\mathrm{O}_2\). |
| Statement II: | To get \(40.0 \mathrm{~g}\) of Aluminium from molten \(\mathrm{Al}_2 \mathrm{O}_3\) required electricity is \(4.44 \mathrm{~F}\). |
In the light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true
Subtopic: Faraday’s Law of Electrolysis |
63%
Level 2: 60%+
NEET - 2024
Hints
Match List-I with List-II :
Choose the correct answer from the options given below:
1. A-IV, B-III, C-II, D-I
2. A-IV, B-II, C-III, D-I
3. A-IV, B-II, C-I, D-III
4. A-II, B-III, C-I, D-IV
| List-I (Reagent) |
List-II (name of the reaction) |
||
| A. | Carbylamine test | I. | Phenol |
| B. | Bayer's test | II. | Acetone |
| C. | Iodoform test | III. | Ethylene |
| D. | Phthalein dye test | IV. | Aniline |
Choose the correct answer from the options given below:
1. A-IV, B-III, C-II, D-I
2. A-IV, B-II, C-III, D-I
3. A-IV, B-II, C-I, D-III
4. A-II, B-III, C-I, D-IV
Subtopic: Identification of Primary, Secondary & Tertiary Amines |
77%
Level 2: 60%+
NEET - 2024
Hints
© 2026 GoodEd Technologies Pvt. Ltd.