Hybridisation

In which of the following molecules are all the bonds not equal?

1.	ClF3	2.	BF3
3.	AlF3	4.	NF3

Which of the following species has a linear shape?

1. $N{O}_2^{-}$

2. $S{O}_2$

3. $N{O}_2^{+}$

4. $O_3$

In which of the following pairs, the two species are iso-structural?

1. $S{F}_4<mspace\; width="1em"></mspace>and<mspace\; width="1em"></mspace>Xe{F}_4$

2. $S{O}_3^{2-}<mspace\; width="1em"></mspace>and<mspace\; width="1em"></mspace>N{O}_3^{-}$

3. $B{F}_3<mspace\; width="1em"></mspace>and<mspace\; width="1em"></mspace>N{F}_3$

4. $Br{O}_3^{-}<mspace\; width="1em"></mspace>and<mspace\; width="1em"></mspace>Xe{O}_3$

The correct state of hybridisation of C₂, C₃, C₅ and C₆ of the hydrocarbon 

is in the sequence:
1. sp, sp³, sp² and sp³
2. sp³, sp², sp² and sp
3. sp, sp², sp² and sp³
4. sp, sp², sp³ and sp²

In which of the following molecules/ions BF₃, ${\mathrm{NO}}_2^{-}$, ${\mathrm{NH}}_2^{-,\hspace{0.17em}}$and H₂O, the central atom is sp² hybridized?

1. $N{O}_2^{-}$ $and$ $N{H}_2^{-}$

2. $N{H}_2^{-}$ $and$ $H_{2}O$

3. $N{O}_2^{-}$ $and$ $H_{2}O$

4. $B{F}_3$ $and$ $N{O}_2^{-}$

In which of the following pairs of molecules/ions, the central atoms have sp² hybridization?

1. $N{O}_2^{-}$ $and$ $N{H}_3$

2. $B{F}_3$ $and$ $N{O}_2^{-}$

3. $N{H}_2^{-}and$ $H_{2}O$

4. $B{F}_3$ $and$ $N{H}_2^{-}$

The correct order of increasing bond angles in the following species is:

1.

2.

3.

4.

In which one of the following species the central atom has the type of hybridization which is not the same as that present in the other three?

1. ${\mathrm{SF}}_4$

2. ${\mathrm{I}}_3^{-}$

3. ${\mathrm{SbCl}}_5^{2-}$

4. ${\mathrm{PCl}}_5$

Which of the two ions from the list given below have the geometry that is explained by the same hybridisation of orbitals, ${\mathrm{NO}}_2^{-},{\mathrm{NO}}_3^{-},{\mathrm{NH}}_2^{-},{\mathrm{NH}}_4^{-},{\mathrm{SCN}}^{-}$ ?

1. ${\mathrm{NH}}_4^{-}$ $\mathrm{and}$ ${\mathrm{NO}}_3^{-}$

2. ${\mathrm{SCN}}_{}^{-}$ $\mathrm{and}$ ${\mathrm{NH}}_2^{-}$

3. ${\mathrm{NO}}_2^{-}$ $\mathrm{and}$ ${\mathrm{NH}}_2^{-}$

4. ${\mathrm{NO}}_2^{-}$ $\mathrm{and}$ ${\mathrm{NO}}_3^{-}$

Isostructural pair among the following is:

1. ${\mathrm{BCl}}_3$ $\mathrm{and}$ ${\mathrm{BrCl}}_3$

2. ${\mathrm{NH}}_3$ $\mathrm{and}$ ${\mathrm{NO}}_3^{-}$

3. ${\mathrm{NF}}_3$ $\mathrm{and}$ ${\mathrm{BF}}_3$

4. ${\mathrm{BF}}_4^{-}$ $\mathrm{and}$ ${\mathrm{NH}}_4^{+}$

Which of the following species contains three bond pairs and one lone pair around the central atom?

1.

2.

3.

4.

The hybridisations of atomic orbitals of nitrogen in , and NH₃ respectively are:

1. $\mathrm{sp},$ ${\mathrm{sp}}^3$ $\mathrm{and}$ ${\mathrm{sp}}^2$

2. ${\mathrm{sp}}^2,$ ${\mathrm{sp}}^3$ $\mathrm{and}$ $\mathrm{sp}$

3. $\mathrm{sp},$ ${\mathrm{sp}}^2$ $\mathrm{and}$ ${\mathrm{sp}}^3$

4. ${\mathrm{sp}}^2,$ $\mathrm{sp}$ $\mathrm{and}$ ${\mathrm{sp}}^3$

Which of the following pairs are isoelectronic and isostructural?

1. ${\mathrm{CO}}_3^{2-},$ ${\mathrm{NO}}_3^{-}$

2. ${\mathrm{ClO}}_3^{-},$ ${\mathrm{CO}}_3^{2-}$

3. ${\mathrm{SO}}_3^{2-},$ ${\mathrm{NO}}_3^{-}$

4. ${\mathrm{ClO}}_2^{-},$ ${\mathrm{SO}}_3^{2-}$

The correct shape and hybridization for XeF₄ are:

1. Octahedral, sp³d²

2. Trigonal bipyramidal, sp³d³

3. Planar triangle, sp³d³

4. Square planar, sp³d²

In which of the following molecules, all atoms are coplanar?

1.		2.
3.		4.

Which of the following species has a bond angle of ?

1.		2.
3.		4.

Which of the compounds given below will exhibit a linear structure?

1.	NO2	2.	HOCl
3.	O3	4.	N2O

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)

Consider the given List-I and List-II:

	List-I Molecule	List-II Shape or geometry of the molecule
a.	PCl5	Trigonal planar
b.	SF6	Octahedral
c.	BeCl2	Linear
d.	NH3	Trigonal pyramidal

Identify the wrong match from the given pairs:

1.	b	2.	c
3.	d	4.	a

Consider the given compound:


In the given options, the following for the above compound are, respectively:
(i) sp² hybridised carbon atoms
(ii) $\mathrm{\pi }$ bonds 

1.	7, 5	2.	8, 6
3.	7, 6	4.	8, 5

BF₃ is a planar and an electron deficient compound. Hybridization and number of electrons around the central atom, respectively are:

1.	sp2 and 6	2.	sp2 and 8
3.	sp3 and 4	4.	sp3 and 6

Match List-I with List-II

	List-I		List-II
(a)	${\mathrm{PCl}}_5$	(i)	Square pyramidal
(b)	${\mathrm{SF}}_6$	(ii)	Trigonal planar
(c)	${\mathrm{BrF}}_5$	(iii)	Octahedral
(d)	${\mathrm{BF}}_3$	(iv)	Trigonal bipyramidal

Choose the correct answer from the options given below:

	(a)	(b)	(c)	(d)
1.	(iii)	(i)	(iv)	(ii)
2.	(iv)	(iii)	(ii)	(i)
3.	(iv)	(iii)	(i)	(ii)
4.	(ii)	(iii)	(iv)	(i)

Match List-I with List-II

	List-I		List-II
A.		I.	linear
B.		II.	pyramidal
C.		III.	distorted octahedral
D.		IV.	square pyramidal

Choose the correct answer from the options given below:

1.	A-IV, B-II, C-III, D-I	2.	A-IV, B-II, C-I, D-III
3.	A-II, B-I, C-IV, D-III	4.	A-II, B-I, C-III, D-IV