Match List-I with List-II.
Choose the correct answer from the options given below:
| List-I (Molecule) |
List-II
(Number and types of bond/s between two carbon atoms)
|
||
| A. | Ethane | I. | \(\small{\mathrm{One ~\sigma-bond~ and~ Two~ \pi-bonds}}\) |
| B. | Ethene | II. | \(\text { Two } \pi \text {-bonds }\) |
| C. | Carbon molecule, \(\mathrm{C} _2\) |
III. | \(\text { One } \sigma \text {-bond }\) |
| D. | Ethyne | IV. | \(\small{\mathrm{One ~\sigma-bond ~and ~One~ \pi-bond}}\) |
| 1. | A-IV, B-III, C-II, D-I | 2. | A-III, B-IV, C-II, D-I |
| 3. | A-III, B-IV, C-I, D-II | 4. | A-I, B-IV, C-II, D-III |
Subtopic: Hybridisation & Structure of Carbon Compounds |
75%
Level 2: 60%+
NEET - 2024
Hints
Subtopic: van der Waal Force & Hydrogen Bonding |
73%
Level 2: 60%+
NEET - 2024
Hints
Which of the following contains the highest number of helium atoms?
1. 4 u of helium
2. 4 g of helium
3. 2.27 L of helium at STP
4. 4 mol of helium
1. 4 u of helium
2. 4 g of helium
3. 2.27 L of helium at STP
4. 4 mol of helium
Subtopic: Moles, Atoms & Electrons |
77%
Level 2: 60%+
NEET - 2024
Hints
Match the redox conversions in List-I with the corresponding number of Faradays required in List-II.
Choose the correct answer from the options given below:
| List-I (Redox Conversion) |
List-II (Number of Faraday required) |
||
| A. | 1 mol of H2O to O2 | I. | 3F |
| B. | 1 mol of \(MnO^-_4\) to \(Mn^{2+}\) | II. | 2F |
| C. | 1.5 mol of \(Ca\) from molten \(CaCl_2\) | III. | 1F |
| D. | 1 mol of FeO to Fe2O3 | IV. | 5F |
Choose the correct answer from the options given below:
| 1. | A - III, B - IV, C - I, D - II | 2. | A - II, B - III, C - I, D - IV |
| 3. | A - III, B - IV, C - II, D - I | 4. | A - II, B - IV, C - I, D - III |
Subtopic: Faraday’s Law of Electrolysis |
66%
Level 2: 60%+
NEET - 2024
Hints
Subtopic: Group 16 - Preparation, Properties & Uses |
68%
Level 2: 60%+
NEET - 2024
Hints
Which of the following ions have the same 'spin-only' magnetic moment?
| A. | Ti+3 | B. | Cr2+ |
| C. | Mn2+ | D. | Fe2+ |
| E. | Sc3+ | ||
Choose the most appropriate answer from the options given below:
| 1. | A and E only | 2. | B and C only |
| 3. | A and D only | 4. | B and D only |
Subtopic: d-Block Elements- Properties & Uses |
65%
Level 2: 60%+
NEET - 2024
Hints
Determine the IUPAC name of the compound with the molecular formula C₆H₁₄ that contains two tertiary carbon atoms.
1. 2-Methyl pentane
2. 2, 3-Dimethylbutane
3. 2, 2-Dimethylbutane
4. n-Hexane
Subtopic: Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
72%
Level 2: 60%+
NEET - 2024
Hints
Find the decreasing order of solubility of gases A, B and C in water if their Henry’s law constants, Kₕ, are:
A = 145 kbar
B = 2 × 10⁻⁵ kbar
C = 35 kbar
| 1. | B > C > A | 2. | A > C > B |
| 3. | A > B > C | 4. | B > A > C |
Subtopic: Concentration Terms & Henry's Law |
60%
Level 2: 60%+
NEET - 2024
Hints
Subtopic: Mechanism of Reactions |
71%
Level 2: 60%+
NEET - 2024
Hints
Subtopic: Reaction Intermediates ; Preparation & Properties |
72%
Level 2: 60%+
NEET - 2024
Hints
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