1.
Which of the following two are isostructural ?
2.
Read the question given below
3.
Which of the following pairs of compounds is isoelectronic and isostructural ?
4.
In which of the following bond angle is maximum ?
6.
The total number of π-bond electrons in the following structure is
7.
Read the question given below
8.
Which one of the following molecules will form a linear polymeric structure due to H-bonding ?
10.
Four diatomic species are listed below in different sequence Which of these represents the correct order of their increasing bond order ?
11.
In which of the following molecules are all the bonds not equal ?
12.
Read the question given below
13.
Which of the following species contains three bond pairs and one lone pair around the central atom?
14.
The correct order in which the O -- O bond length increases in the following is
15.
Which one of the following pairs is isostructural (i.e., having the same shape and hybridisation)?
17.
Which of the following option represents the correct bond order ?
18.
The correct increasing ionic nature is :
19.
Read the question given below
20.
Which molecule has trigonal planar geometry ?
21.
The correct sequence of increasing covalent character is
22.
Which of the following is not a correct statement ?
23.
Read the question given below
24.
Among the following which has the highest cation to anion size ratio ?
25.
Read the question given below
26.
Which of the following statements is not correct for sigma and pi-bonds formed between two carbon atoms?
27.
Which of the following species does not exist under normal conditions ?
28.
In which of the following pairs, both the species are not isostructural ?
29.
Read the question given below
30.
Which of the following is electron-deficient ?
31.
Which of the following has the minimum bond length ?
32.
Read the question given below
33.
According to MO theory, which of the following lists ranks the nitrogen species in terms of increasing bond order ?
34.
The number of unpaired electrons in a paramagnetic diatom molecule of an element with atomic number 16 is :
35.
Which of the following species contains equal number of σ- and π bonds ?
36.
Which one of the following compounds shows the presence of intramolecular hydrogen bond ?
37.
Which one of the following molecules contains no л-bond?
38.
Which is expected to show paramagnetism ?
39.
Read the question given below
40.
Which of the following pairs is isostructural ?
41.
The correct order of increasing bond angles in the following triatomic species is :
42.
Which of the following is a polar molecule ?
43.
Which of the following pairs of species have the same bond order ?
44.
The correct order of increasing bond length of C - H,C -O,C - C and C =C is :
45.
The pair of species with the same bond order is :
46.
Read the question given below
47.
In which one of the following species, the central atom has the type of hybridisation which is not the same as that present in other three ?
48.
Four diatomic species are listed below. Identify the correct order in which the bond order is increasing in them :
49.
Which of the following species has a linear shape ?
50.
Read the question given below
51.
In X ------------ H ------------- Y, X and Y both are electronegative elements
52.
Maximum bond angle at nitrogen is present in which of the following?
53.
Which of the following compounds has the lowest melting point?
55.
Which one of the following species has plane triangular shape ?
56.
The correct order of increasing bond angles in the following species is :
57.
Among the following the pair in which the two species are not isostructural is
58.
Read the question given below
59.
The molecule having permanent dipole moment is :
62.
Which one of the following orders is not in accordance with the property stated against it?
63.
Which of the following pairs of ions is isoelectronic and isostructural ?
64.
Read the question given below
65.
Read the question given below
66.
Which of the following is an electron deficient molecule ?
67.
The correct order of C-O bond length among the following is
68.
Which of the following pairs of ions are isoelectronic and isostructural ?
69.
The species, having bond angles of 120° is:
70.
Which of the following is paramagnetic ?
71.
The correct bond order in the following species is:
72.
The correct order regarding the electronegativity of hybrid orbitals of carbon is :
73.
Bond order of 1.5 is shown by :
74.
In the case of alkali metals, the covalent character decreases in the order :
75.
Which of the following molecules has the maximum dipole moment ?
76.
Read the question given below
77.
Considering the state of hybridisation of carbon atoms, find out the molecule among the following which is linear.
78.
Read the question given below
79.
In which of the following pπ-dπ bonding is observed ?
