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Q. No.Match List-I with List-II:
List-I
(Species)
List-II
(Hybrid orbitals/Hybridization)
(a)
\(\mathrm{SF}_4\)
(i)
\(s p^3 d^2\)
(b)
\(\mathrm{IF}_5\)
(ii)
\(d^2 s p^3\)
(c)
\(\mathrm{NO}_2^{\oplus}\)
(iii)
\(\mathrm{sp}^3 \mathrm{~d}\)
(d)
\(\mathrm{NH}_4^{\oplus}\)
(iv)
\(\mathrm{sp}^3\)
(v)
\(\text { sp }\)
Choose the correct answer from the options given below:
1. (a)–(ii), (b)–(i), (c)-(iv) and (d)–(v)
2. (a)–(iv), (b)–(iii), (c)-(ii) and (d)–(v)
3. (a)–(i), (b)–(ii), (c)-(v) and (d)–(iii)
4. (a)–(iii), (b)–(i), (c)-(v) and (d)–(iv)
(Species)
(Hybrid orbitals/Hybridization)
Subtopic: Hybridisation |
89%
Level 1: 80%+
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Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I (Expressions) |
List-II (Property) |
||
| A. | \(\Psi_{M O}=\Psi_A-\Psi_B\) | I. | Dipole moment |
| B. | \(\mu=Q \times r\) | II. | Bonding molecular orbital |
| C. | \(\frac{N_b-N_a}{2}\) | III. | Anti-bonding molecular orbital |
| D. | \(\Psi_{M O}=\Psi_A+\Psi_B\) | IV. | Bond order |
| 1. | A-II, B-I, C-IV, D-III | 2. | A-III, B-IV, C-I, D-II |
| 3. | A-III, B-I, C-IV, D-II | 4. | A-III, B-IV, C-II, D-I |
Subtopic: M.O.T |
86%
Level 1: 80%+
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Arrange the following in increasing order of their covalent character.
A. \(\mathrm{CaF}_2 \)
B. \(\mathrm{CaCl}_2 \)
C. \(\mathrm{CaBr}_2 \)
D. \(\mathrm{CaI}_2\)
Choose the correct answer from the option given below.
1. \(B<A<C<D\)
2. \(A<B<C<D\)
3. \(A<B<D<C\)
4. \(A<C<B<D\)
A. \(\mathrm{CaF}_2 \)
B. \(\mathrm{CaCl}_2 \)
C. \(\mathrm{CaBr}_2 \)
D. \(\mathrm{CaI}_2\)
Choose the correct answer from the option given below.
1. \(B<A<C<D\)
2. \(A<B<C<D\)
3. \(A<B<D<C\)
4. \(A<C<B<D\)
Subtopic: Covalent Bond |
87%
Level 1: 80%+
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Match the molecules in List-I based on their classification according to the octet rule with the correct examples in List-II:
Choose the correct answer from the options given below:
| List-I (Classification of molecules based on octet rule) | List-II (Example) |
||
| A. |
Molecules that adhere to the octet rule. |
I. | NO, NO2 |
| B. | Molecules with an incomplete octet | II. | BCl3 , AlCl3 |
| C. | Molecules with incomplete octets with odd electron | III. | H2SO4 , PCl5 |
| D. | Molecules with an expanded octet | IV. | CCl4 , CO2 |
| 1. | A-IV, B-II, C-I, D-III | 2. | A-III, B-II, C-I, D-IV |
| 3. | A-IV, B-I, C-III, D-II | 4. | A-II, B-IV, C-III, D-I |
Subtopic: Octate, Isoelectronic Species, Lewis Structure & Formal Charge |
87%
Level 1: 80%+
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Number of \(\sigma\) bonds, \(\pi\) bonds and lone pair on \(Xe\) atom of \(XeOF_4\), respectively, are:
1. \(4,1,1\)
2. \(4, 2, 1\)
3. \(5, 1, 1\)
4. \(6, 2, 0\)
1. \(4,1,1\)
2. \(4, 2, 1\)
3. \(5, 1, 1\)
4. \(6, 2, 0\)
Subtopic: Types of Chemical Bond | Octate, Isoelectronic Species, Lewis Structure & Formal Charge | V.S.E.P.R & V.B.T |
82%
Level 1: 80%+
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The nature of bonding in \(\text {CsI}\) is classified as:
1. Ionic
2. Covalent
3. Hydrogen
4. Metallic
1. Ionic
2. Covalent
3. Hydrogen
4. Metallic
Subtopic: Types of Chemical Bond |
72%
Level 2: 60%+
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What is the geometry of \(\mathrm{SeO}_4^{2-}\) ?
1. Trigonal planar
2. Tetrahedral
3. Pyramidal
4. Bent
1. Trigonal planar
2. Tetrahedral
3. Pyramidal
4. Bent
Subtopic: V.S.E.P.R & V.B.T |
82%
Level 1: 80%+
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What type(s) of hybridization(s) of carbon is/are present in acetic acid?
1. \(s p^3~ \mathrm{sp}^2,\) and \(sp\)
2. \(sp\) only
3. \(sp^3\) and \(sp^2\)
4. \(sp^2\) and \(sp\)
1. \(s p^3~ \mathrm{sp}^2,\) and \(sp\)
2. \(sp\) only
3. \(sp^3\) and \(sp^2\)
4. \(sp^2\) and \(sp\)
Subtopic: Hybridisation |
87%
Level 1: 80%+
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Which molecule or ion in the following list has the greatest number of unshared electron pairs around the central atom?
1. \(SO_2\)
2. \(CO_2\)
3. \(XeF_2\)
4. \(CF_4\)
1. \(SO_2\)
2. \(CO_2\)
3. \(XeF_2\)
4. \(CF_4\)
Subtopic: V.S.E.P.R & V.B.T |
91%
Level 1: 80%+
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Which of the following species does not have one or more \(\pi\) bonds ?
1. \(\mathrm{SO}_2\)
2. \(\mathrm{SF}_6\)
3. \(\mathrm{O}_2\)
4. \(\mathrm{SO}_3\)
1. \(\mathrm{SO}_2\)
2. \(\mathrm{SF}_6\)
3. \(\mathrm{O}_2\)
4. \(\mathrm{SO}_3\)
Subtopic: Types of Chemical Bond |
87%
Level 1: 80%+
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