1.
The correct order regarding the electronegativity of hybrid orbitals of carbon is :
2.
Which of the following is paramagnetic ?
3.
The pair of species with the same bond order is :
4.
Which of the following two are isostructural ?
5.
Which of the following option represents the correct bond order ?
6.
In which of the following pairs, both the species are not isostructural ?
7.
Read the question given below
8.
The correct increasing ionic nature is :
9.
Which of the following molecules has the maximum dipole moment ?
11.
Read the question given below
12.
Which of the following species contains equal number of σ- and π bonds ?
13.
Which of the following is not a correct statement ?
14.
Which of the following compounds has the lowest melting point?
15.
Which one of the following pairs is isostructural (i.e., having the same shape and hybridisation)?
16.
The number of unpaired electrons in a paramagnetic diatom molecule of an element with atomic number 16 is :
17.
Which is expected to show paramagnetism ?
19.
In which of the following molecules are all the bonds not equal ?
20.
The total number of π-bond electrons in the following structure is
21.
Which one of the following species has plane triangular shape ?
22.
Which of the following pairs of ions are isoelectronic and isostructural ?
23.
According to MO theory, which of the following lists ranks the nitrogen species in terms of increasing bond order ?
24.
In which of the following bond angle is maximum ?
25.
Read the question given below
26.
The correct order in which the O -- O bond length increases in the following is
27.
Which of the following species contains three bond pairs and one lone pair around the central atom?
28.
Which of the following pairs of compounds is isoelectronic and isostructural ?
29.
The correct order of increasing bond angles in the following triatomic species is :
30.
Which of the following pairs is isostructural ?
31.
Read the question given below
33.
Four diatomic species are listed below. Identify the correct order in which the bond order is increasing in them :
34.
Read the question given below
35.
Which one of the following molecules contains no л-bond?
36.
Which of the following is electron-deficient ?
38.
Which of the following is a polar molecule ?
39.
Which one of the following compounds shows the presence of intramolecular hydrogen bond ?
40.
Read the question given below
41.
Read the question given below
42.
Read the question given below
43.
Bond order of 1.5 is shown by :
44.
Which molecule has trigonal planar geometry ?
45.
Read the question given below
46.
Read the question given below
47.
The species, having bond angles of 120° is:
48.
Which of the following has the minimum bond length ?
49.
Which of the following species has a linear shape ?
50.
Read the question given below
52.
Which of the following pairs of ions is isoelectronic and isostructural ?
53.
Read the question given below
54.
In which of the following pπ-dπ bonding is observed ?
55.
The correct order of increasing bond length of C - H,C -O,C - C and C =C is :
56.
Read the question given below
57.
In X ------------ H ------------- Y, X and Y both are electronegative elements
58.
The correct bond order in the following species is:
61.
Which of the following statements is not correct for sigma and pi-bonds formed between two carbon atoms?
62.
Considering the state of hybridisation of carbon atoms, find out the molecule among the following which is linear.
63.
The correct order of C-O bond length among the following is
64.
Four diatomic species are listed below in different sequence Which of these represents the correct order of their increasing bond order ?
65.
Read the question given below
66.
Read the question given below
67.
The correct order of increasing bond angles in the following species is :
68.
Which of the following species does not exist under normal conditions ?
69.
Which of the following is an electron deficient molecule ?
70.
The correct sequence of increasing covalent character is
71.
Which one of the following orders is not in accordance with the property stated against it?
72.
In the case of alkali metals, the covalent character decreases in the order :
73.
Read the question given below
74.
Maximum bond angle at nitrogen is present in which of the following?
75.
Which one of the following molecules will form a linear polymeric structure due to H-bonding ?
76.
Which of the following pairs of species have the same bond order ?
77.
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 ?
78.
The molecule having permanent dipole moment is :
79.
Among the following the pair in which the two species are not isostructural is
80.
Among the following which has the highest cation to anion size ratio ?
