The hybridisations of atomic orbitals of nitrogen in NO2+, NO3- and NH4+ are

(a) sp, sp3 and sp2               (b) sp2, sp3 and sp

(c) sp, sp2 and sp3               (d) sp2, sp and sp3

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Hydrogen Bonding
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Which of the following pairs of ions is isoelectronic and isostructural?

(a) CO32-,  NO3-                           (b) ClO3-, CO32-(c) SO32-,  NO3-                            (d) ClO3-, SO32-

1. a,d

2. b,d

3. a,c

4. b,d,c

Concept Questions :-

Hybridisation
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The correct geometry and hybridisation for XeF4 are

(a) octahedral, sp3d2

(b) trigonal bipyramidal, sp3d2

(c) planar triangle, sp3d3

(d) square planar, sp3d2

Concept Questions :-

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

Concept Questions :-

Hybridisation
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Predict the correct order among the following.

(a) lone pair-lone pair>bond pair-bond pair>lone pair-bond pair

(b) bond pair-bond pair>lone pair-bond pair>lone pair-lone pair

(c) lone pair-bond pair>bond pair-bond pair>lone pair-lone pair

(d) lone pair-lone pair>lone pair-bond pair>bond pair-bond pair

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The pair of electron in the given carbanion, CH3CC-, is present in which orbitals?
(a) sp3
(b) sp2
(c) sp
(d)2p

Concept Questions :-

Hybridisation
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Consider the molecules CH4, NH3 and H2O. Which of the given statements is false?
(a) The H-O-H bond angle in H2O is larger than the H-C-H bond angle in CH4
(b) The H-O-H bond angle in H2O is smaller than the H-N-H bond angle in NH3
(c) The H-C-H bond angie in CH4 is larger than the H-N-H bond angle in NH3
(d) The H-C-Hbond angle in CH, the H-N-H bond angle in NH3 and the H-O-H bond angle in H2O are all greater than 90°

 

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Which of the following species contains equal number of σ and π bonds?

(a) HCO3-                                    (b) XeO4

(c) (CN)2                                      (d) CH2(CN)2

Concept Questions :-

Hybridisation
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 Which of the following pairs of ions are isoelectronic and isostructural?

(a) CO32-, SO32-               (b) ClO3-, CO32-(c) SO32-, NO32-                 (d) ClO3-, SO32-

Concept Questions :-

Types of Bonding
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The correct bond order in the following species is

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