Match the coordination number and type of hybridization with the distribution of hybrid orbitals in space based on Valence bond theory.
Coordination number and type of hybridisation | Distribution of hybrid orbitals in space | ||
(a) | 4, sp3 | (i) | Trigonal bipyramidal |
(b) | 4, dsp2 | (ii) | Octahedral |
(c) | 5, sp3d | (iii) | Tetrahedral |
(d) | 6, d2sp3 | (iv) | Square planar |
(a) | (b) | (c) | (d) | |
1. | (ii) | (iii) | (iv) | (i) |
2. | (iii) | (iv) | (i) | (ii) |
3. | (iv) | (i) | (ii) | (iii) |
4. | (iii) | (i) | (iv) | (ii) |
Assertion (A): | Zn(ll) salts are diamagnetic. |
Reason (R): | Zn2+ ion has one unpaired electron. |
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. |
Match the compounds of Xe in Column I with the molecular structure in Column II.
Column-I | Column-II | ||
(a) | XeF2 | (i) | Square planar |
(b) | XeF4 | (ii) | Linear |
(c) | XeO3 | (iii) | Square pyramidal |
(d) | XeOF4 | (iv) | Pyramidal |
(a) | (b) | (c) | (d) | |
1. | (ii) | (i) | (iii) | (iv) |
2. | (ii) | (iv) | (iii) | (i) |
3. | (ii) | (iii) | (i) | (iv) |
4. | (ii) | (i) | (iv) | (iii) |
Among the following, the correct statements about
(a) |
The hybridisation of the central atom is sp3. |
(b) |
Its resonance structure has one C-O single bond and two C=O double bonds. |
(c) |
The average formal charge on each oxygen atom is 0.67 units. |
(d) |
All C-O bond lengths are equal. |
Choose the correct option :
1. | (a), (b) | 2. | (b), (c) |
3. | (c), (d) | 4. | (b), (d) |
The incorrect statements among the following are-
(a) | NaCl being an ionic compound is a good conductor of electricity in the solid-state |
(b) | In canonical structure, there is a difference in the arrangement of atoms |
(c) | Hybrid orbitals form stronger bonds than pure orbitals |
(d) | VSEPR theory can explain the square planar geometry of XeF4 |
1. | (a) and (b) only | 2. | (b) and (c) only |
3. | (c) and (d) only | 4. | (b) and (d) only |
Given below are two statements:
Assertion (A): | Among the two O-H bonds in H2O molecule, the energy required to break the first O-H bond and the other O-H bond is the same. |
Reason (R): | The electronic environment around oxygen is the same even after the breakage of one O-H bond. |
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. |
Given below are two statements:
Assertion (A): | Though the central atom of both NH3 and H2O molecules are sp3 hybridised, yet H-N-H bond angle is greater than that of H-O-H. |
Reason (R): | This is because nitrogen atom has one lone pair and oxygen atom has two lone pairs. |
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. |
Given below are two statements:
Assertion (A): | Sodium chloride, formed by the action of chlorine gas on sodium metal, is a stable compound. |
Reason (R): | Sodium and chloride ions acquire octets in sodium chloride formation. |
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. |
Match the shape of molecules in Column I with the type of hybridization in Column II.
Column I |
Column II |
||
A. |
Tetrahedral |
1. |
sp2 |
B. |
Trigonal |
2. |
sp |
C. |
Linear |
3. |
sp3 |
Codes:
Options: | A | B | C |
1. | 3 | 1 | 2 |
2. | 1 | 2 | 3 |
3. | 5 | 4 | 3 |
4. | 4 | 5 | 3 |
Match the items given in Column I with examples given in Column II.
Column I |
Column II |
||
A. |
Hydrogen bond |
1. |
C |
B. |
Resonance |
2. |
LiF |
C. |
Ionic solid |
3. |
H2 |
D. |
Covalent solid |
4. |
HF |
5. |
O3 |
Codes:
Options: | A | B | C | D |
1. | 2 | 3 | 4 | 1 |
2. | 1 | 2 | 3 | 5 |
3. | 5 | 4 | 3 | 2 |
4. | 4 | 5 | 2 | 1 |