Among the given species  the isostructural pair is : 

1. $\left[{\mathrm{NF}}_3 \mathrm{and} {\mathrm{BF}}_3\right]$

2. $\left[{\mathrm{BF}}_4^{-} \mathrm{and} {\mathrm{NH}}_4^{+}\right]$

3. $\left[{\mathrm{BCl}}_3 \mathrm{and} {\mathrm{BrCl}}_3\right]$

4. $\left[{\mathrm{NH}}_3 \mathrm{and} {\mathrm{NO}}_3^{-}\right]$

The hybridization of nitrogen in ${\mathrm{NO}}_2^{+},$ ${\mathrm{NO}}_3^{-}$ and ${\mathrm{NH}}_4^{+}$ respectively is : 

1. sp, sp^3, and sp²

2. sp, sp^2, and sp³

3. sp², sp, and sp³

4. sp², sp^3, and sp

Which species lacks tetrahedral geometry?

1. ${\mathrm{BH}}_4^{-}$

2. ${\mathrm{NH}}_2^{-}$

3. ${\mathrm{CO}}_3^{2-}$

4. ${\mathrm{H}}_3{\mathrm{O}}^{+}$

The correct bond angle for sp² hybridization is:

1. $90°$

2. $120°$

3. $180°$

4. $109°$

Match the species in Column I with the type of hybrid orbitals in Column II.

Codes

Match the species in Column I with the shape in Column II.

Codes

Match the shape of molecules in Column I with the type of hybridization in Column II.

Codes

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)