2.
Read the question given below
3.
Read the question given below
4.
Which of the following pairs of ions are isoelectronic and isostructural ?
5.
Read the question given below
6.
Among the following which has the highest cation to anion size ratio ?
7.
Which one of the following orders is not in accordance with the property stated against it?
8.
In which of the following molecules are all the bonds not equal ?
10.
Read the question given below
11.
Considering the state of hybridisation of carbon atoms, find out the molecule among the following which is linear.
12.
Which of the following is not a correct statement ?
13.
Which of the following has the minimum bond length ?
14.
Read the question given below
15.
Among the following the pair in which the two species are not isostructural is
16.
Read the question given below
17.
Read the question given below
18.
Which of the following is an electron deficient molecule ?
19.
Which of the following species contains three bond pairs and one lone pair around the central atom?
20.
Which of the following statements is not correct for sigma and pi-bonds formed between two carbon atoms?
21.
The correct order of increasing bond length of C - H,C -O,C - C and C =C is :
22.
Which of the following species has a linear shape ?
23.
Read the question given below
24.
According to MO theory, which of the following lists ranks the nitrogen species in terms of increasing bond order ?
25.
Which of the following pairs is isostructural ?
26.
The correct order in which the O -- O bond length increases in the following is
29.
Which is expected to show paramagnetism ?
31.
Which of the following species contains equal number of σ- and π bonds ?
32.
Four diatomic species are listed below. Identify the correct order in which the bond order is increasing in them :
33.
Which molecule has trigonal planar geometry ?
34.
In which of the following pπ-dπ bonding is observed ?
35.
Which of the following two are isostructural ?
36.
Which of the following pairs of species have the same bond order ?
37.
Which of the following is paramagnetic ?
38.
Read the question given below
39.
The correct order of increasing bond angles in the following triatomic species is :
40.
In X ------------ H ------------- Y, X and Y both are electronegative elements
42.
Read the question given below
43.
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 ?
44.
Which of the following pairs of compounds is isoelectronic and isostructural ?
45.
Which one of the following pairs is isostructural (i.e., having the same shape and hybridisation)?
46.
Which one of the following compounds shows the presence of intramolecular hydrogen bond ?
47.
Four diatomic species are listed below in different sequence Which of these represents the correct order of their increasing bond order ?
48.
Read the question given below
49.
Which one of the following species has plane triangular shape ?
50.
The pair of species with the same bond order is :
51.
The correct order of C-O bond length among the following is
52.
Which of the following is a polar molecule ?
53.
Which one of the following molecules contains no л-bond?
54.
Which of the following is electron-deficient ?
55.
Read the question given below
56.
Which of the following pairs of ions is isoelectronic and isostructural ?
57.
In which of the following bond angle is maximum ?
58.
The correct sequence of increasing covalent character is
59.
Which one of the following molecules will form a linear polymeric structure due to H-bonding ?
60.
In which of the following pairs, both the species are not isostructural ?
61.
Read the question given below
62.
Read the question given below
63.
Read the question given below
64.
Bond order of 1.5 is shown by :
65.
The correct bond order in the following species is:
66.
The species, having bond angles of 120° is:
67.
The correct order of increasing bond angles in the following species is :
68.
The correct increasing ionic nature is :
69.
The molecule having permanent dipole moment is :
70.
Read the question given below
71.
The correct order regarding the electronegativity of hybrid orbitals of carbon is :
72.
In the case of alkali metals, the covalent character decreases in the order :
73.
The number of unpaired electrons in a paramagnetic diatom molecule of an element with atomic number 16 is :
75.
Which of the following species does not exist under normal conditions ?
76.
Maximum bond angle at nitrogen is present in which of the following?
77.
Which of the following compounds has the lowest melting point?
78.
The total number of π-bond electrons in the following structure is
79.
Which of the following option represents the correct bond order ?
80.
Which of the following molecules has the maximum dipole moment ?
