Which of the following attain the linear structure?
(a)
(b)
(c)
(d)
Choose the correct option
1. | (a), (d) | 2. | (b), (c) |
3. | (c), (d) | 4. | (b), (d) |
CO is isoelectronic with
(a)
(b)
(c)
(d)
Choose the correct option
1. (a), (b)
2. (b), (c)
3. (c), (d)
4. (b), (d)
Which of the following species have the same shape?
(a) | CO2 | (b) | CCl4 |
(c) | O3 | (d) | NO2– |
Choose the correct option
1. (a), (b)
2. (b), (c)
3. (c), (d)
4. (b), (d)
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) |
Diamagnetic species are those which contain no unpaired electrons. Among the following, diamagnetic species are
(a) | (b) | ||
(C) | (d) |
Choose the correct option:
1. | (a), (d) | 2. | (b), (c) |
3. | (c), (d) | 4. | (b), (d) |
(a)
(b)
(c)
(d)
Choose the correct option:
1. (a), (d)
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 |
Which of the following have identical bond order?
(a)
(b)
(c)
(d)
Choose the correct option
1. (a), (b)
2. (b), (c)
3. (c), (d)
4. (b), (d)
An isoelectronic pair among the following is:
(a) Na+, Mg2+
(b) Al3+, O–
(c) Na+, O2–
(d) N3-, Cl–
1. | (a), (c) | 2. | (b), (c) |
3. | (c), (d) | 4. | (b), (d) |
Which of the following pairs of ions are isoelectronic and isostructural?
\(a. \mathrm{CO}_{3}^{2-}, \mathrm{NO}_{3}^{-} \\ b. \mathrm{ClO}_{3}^{-}, \mathrm{CO}_{3}^{2-} \\ c. \mathrm{SO}_{3}^{2-}, \mathrm{NO}_{3}^{-} \\ d. \mathrm{ClO}_{3}^{-}, \mathrm{SO}_{3}^{2-} \\\)
1. | a, b | 2. | a, c |
3. | a, d | 4. | b, c |