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Q. No.Subtopic: Resonance & Nature of Compounds |
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Subtopic: M.O.T |
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Given below are two statements:
| Assertion (A): |
Second-period elements do not exhibit the excitation of electrons. |
| Reason (R): | Second-period elements do not have vacant d-orbitals. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Types of Chemical Bond |
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Identify the correct increasing strength of intermolecular H-bonding.
1. \(\mathrm{HCN}<\mathrm{H}_2 \mathrm{O}<\mathrm{NH}_3\)
2. \(\mathrm{HCN}<\mathrm{CH}_4<\mathrm{NH}_3\)
3. \(\mathrm{CH}_4<\mathrm{HCN}<\mathrm{NH}_3\)
4. \(\mathrm{CH}_4<\mathrm{NH}_3<\mathrm{HCN}\)
1. \(\mathrm{HCN}<\mathrm{H}_2 \mathrm{O}<\mathrm{NH}_3\)
2. \(\mathrm{HCN}<\mathrm{CH}_4<\mathrm{NH}_3\)
3. \(\mathrm{CH}_4<\mathrm{HCN}<\mathrm{NH}_3\)
4. \(\mathrm{CH}_4<\mathrm{NH}_3<\mathrm{HCN}\)
Subtopic: van der Waal Force & Hydrogen Bonding |
From NCERT
JEE
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Assertion(A): SF4 has two significant lp-bp repulsions.
Reason(R): Its shape is a see-saw.
1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true and R is false.
4. A and R both are false.
Reason(R): Its shape is a see-saw.
1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true and R is false.
4. A and R both are false.
Subtopic: V.S.E.P.R & V.B.T |
From NCERT
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Which set among the following represents the correct order of dipole moments?
| 1. |  |
| 2. | NH3 < NF3 |
| 3. | Trans-1-fluoro propene < Cis -1-fluoro propene |
| 4. | SbH3 < PH3 |
Subtopic: Polarity |
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Which of the following contains ionic, covalent, and coordinate bonds?
1. \(NaCN \)
2. \(PH_4Cl \)
3. \(CH_3COONa \)
4. \(N_3H \)
1. \(NaCN \)
2. \(PH_4Cl \)
3. \(CH_3COONa \)
4. \(N_3H \)
Subtopic: Types of Chemical Bond |
From NCERT
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Subtopic: Octate, Isoelectronic Species, Lewis Structure & Formal Charge |
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Given below are two statements:
| Assertion (A): | PCl3Br2 has zero dipole moment. |
| Reason (R): | Br atoms occupy axial position while Cl atoms occupy equatorial position. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Polarity |
From NCERT
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
Formal charges of central atom in SO3 , \(NO^-_3\) and \(NH^+_4\) are, respectively:
1. 0 , +1 , +1
2. +2 , +1 , +1
3. +2 , -1 , +1
4. 0, -1 , +1
Subtopic: Octate, Isoelectronic Species, Lewis Structure & Formal Charge |
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