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 ${\mathrm{CO}}_3^{2- }$

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) ${\mathrm{N}}_2$

(b) ${\mathrm{N}}_2^{2-}$

(c) ${\mathrm{O}}_2$

(d) ${\mathrm{O}}_2^{2-}$

Choose the correct option

Identify the species with identical bond orders from the following options.

(a) ${\mathrm{N}}_2$

(b) ${\mathrm{N}}_2^{-}$

(c) ${\mathrm{F}}_2^{+}$

(d) ${\mathrm{O}}_2^{-}$

1. (a), (d)

2. (b), (c)

3. (c), (d)

4. (b), (d)

The incorrect statements among the following are-

CO is isoelectronic with

(a) ${\mathrm{NO}}^{+}$

(b) ${\mathrm{N}}_2$

(c) ${\mathrm{SnCl}}_2$

(d) ${\mathrm{NO}}_2^{-}$

Choose the correct option

1. (a), (b)

2. (b), (c)

3. (c), (d)

4. (b), (d)

Which of the following attain the linear structure?

(a) ${\mathrm{BeCl}}_2$

(b) ${\mathrm{NCO}}^{+}$

(c) ${\mathrm{NO}}_2$

(d) ${\mathrm{CS}}_2$

Choose the correct option

1. (a), (d)

2. (b), (c)

3. (c), (d)

4. (b), (d)

Which of the following have identical bond order?

(a) ${\mathrm{CN}}^{-}$

(b) ${\mathrm{NO}}^{+}$

(c) ${\mathrm{O}}_2^{-}$

(d) ${\mathrm{O}}_2^{2-}$

Choose the correct option

1. (a), (b)

2. (b), (c)

3. (c), (d)

4. (b), (d)

Which of the following pairs of ions are isoelectronic and isostructural?
\(a. \mathrm{CO}_{3}^{2-}, \mathrm{NO}_{3}^{-} \\ b. \mathrm{ClO}_{3}^{-}, \mathrm{CO}_{3}^{2-} \\ c. \mathrm{SO}_{3}^{2-}, \mathrm{NO}_{3}^{-} \\ d. \mathrm{ClO}_{3}^{-}, \mathrm{SO}_{3}^{2-} \\\)

Which of the following options are not in accordance with the property mentioned against them?

a. F₂ > Cl₂ > Br₂ > I₂                                   Oxidising power

b. MI > MBr > MCI > MF                            lonic character of metal halide

c. F₂ >Cl₂ > Br₂ > I₂                                     Bond dissociation enthalpy

d. HI < HBr < HCl < HF                               Hydrogen-halogen bond strength

1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)