JEE Questions for Chemistry Chemical Bonding And Molecular Structure Quiz 7 - MCQExams.com

The correct order of bond order value among the following is
I. NO-
II. NO+
III. NO
IV. NO2+
V. NO2-
  • I < IV < III < II < V
  • IV = II < I < V < III
  • V < I < IV = III < II
  • II < III < IV < I < V
In which of the following ionisation processes, the bond order has increased and the magnetic behaviour has changed?

  • Chemistry-Chemical Bonding and Molecular Structure-1154.png
  • 2)
    Chemistry-Chemical Bonding and Molecular Structure-1155.png

  • Chemistry-Chemical Bonding and Molecular Structure-1156.png

  • Chemistry-Chemical Bonding and Molecular Structure-1157.png
The isoelectronic pair is

  • Chemistry-Chemical Bonding and Molecular Structure-1158.png
  • 2)
    Chemistry-Chemical Bonding and Molecular Structure-1159.png

  • Chemistry-Chemical Bonding and Molecular Structure-1160.png

  • Chemistry-Chemical Bonding and Molecular Structure-1161.png

Chemistry-Chemical Bonding and Molecular Structure-1162.png
  • 5
  • 4
  • 3
  • 2

Chemistry-Chemical Bonding and Molecular Structure-1163.png
  • Antibonding π-molecular orbital
  • Bonding π-molecular orbital
  • σ-bonding molecular oribital
  • σ-antibonding molecular orbital
The formation of energy bonds in solids are in accordance with
  • Heisenberg's uncertainty principle
  • Bohr's theory
  • Ohm's law
  • Rutherford's atomic model
The sequence that correctly describes the relative bond strength pertaining to oxygen molecule and its cation or anion is

  • Chemistry-Chemical Bonding and Molecular Structure-1164.png
  • 2)
    Chemistry-Chemical Bonding and Molecular Structure-1165.png

  • Chemistry-Chemical Bonding and Molecular Structure-1166.png

  • Chemistry-Chemical Bonding and Molecular Structure-1167.png

  • Chemistry-Chemical Bonding and Molecular Structure-1168.png

Chemistry-Chemical Bonding and Molecular Structure-1169.png

  • Chemistry-Chemical Bonding and Molecular Structure-1170.png
  • 2)
    Chemistry-Chemical Bonding and Molecular Structure-1171.png

  • Chemistry-Chemical Bonding and Molecular Structure-1172.png

  • Chemistry-Chemical Bonding and Molecular Structure-1173.png
Which one of the following species is diamagnetic in nature?

  • Chemistry-Chemical Bonding and Molecular Structure-1174.png
  • 2)
    Chemistry-Chemical Bonding and Molecular Structure-1175.png

  • Chemistry-Chemical Bonding and Molecular Structure-1176.png

  • Chemistry-Chemical Bonding and Molecular Structure-1177.png
Of the following sets which one does not contain isoelectronic species?

  • Chemistry-Chemical Bonding and Molecular Structure-1178.png
  • 2)
    Chemistry-Chemical Bonding and Molecular Structure-1179.png

  • Chemistry-Chemical Bonding and Molecular Structure-1180.png

  • Chemistry-Chemical Bonding and Molecular Structure-1181.png
The molecular electronic configuration of Be2 is
  • σ1s2 σ*1s2 σ2s2 σ*2p2
  • KKσ2s2
  • σ1s2 σ*1s2 σ2s2 σ*2s2
  • None of these
In which of the following pairs the two species are not isostructural?

  • Chemistry-Chemical Bonding and Molecular Structure-1182.png
  • 2)
    Chemistry-Chemical Bonding and Molecular Structure-1183.png

  • Chemistry-Chemical Bonding and Molecular Structure-1184.png

  • Chemistry-Chemical Bonding and Molecular Structure-1185.png
The state of hybridisation of the central atom and the number of lone pairs over the central atom in POCl3 are
  • sp, 0
  • sp2 , 0
  • sp3 , 0
  • dsp2 , 1

Chemistry-Chemical Bonding and Molecular Structure-1186.png
  • sp, sp2 , sp3
  • sp2 ,sp, sp3
  • sp, sp3 , sp2
  • sp2 , sp3 , sp
The sp3 d2 hybridisation of central atom of a molecule would lead to
  • square planar geometry
  • tetrahedral geometry
  • trigonal bipyramidal geometry
  • octahedral geometry
Hybridisation of C2 and C3 of
Chemistry-Chemical Bonding and Molecular Structure-1188.png
  • sp, sp3
  • sp2, sp
  • sp2, sp2
  • sp, sp
Number of non-bonding electron pair on Xe in XeF6 , XeF4 and XeF2 respectively will be
  • 6, 4, 2
  • 1, 2, 3
  • 3, 2, 1
  • 0, 3, 2
In which reaction, the hybridisation on the central atom changes from sp2 to sp3 ?

  • Chemistry-Chemical Bonding and Molecular Structure-1189.png
  • 2)
    Chemistry-Chemical Bonding and Molecular Structure-1190.png

  • Chemistry-Chemical Bonding and Molecular Structure-1191.png

  • Chemistry-Chemical Bonding and Molecular Structure-1192.png
The d-orbital involved in sp3 d-hybridisation is

  • Chemistry-Chemical Bonding and Molecular Structure-1234.png
  • 2)
    Chemistry-Chemical Bonding and Molecular Structure-1235.png

  • Chemistry-Chemical Bonding and Molecular Structure-1236.png

  • Chemistry-Chemical Bonding and Molecular Structure-1237.png
How many σ and π-bonds are present in given compound?
Chemistry-Chemical Bonding and Molecular Structure-1193.png
  • 19 σ and 4 π-bonds
  • 22 σ and 4 π-bonds
  • 25 σ and 4 π-bonds
  • 26 σ and 4 π-bonds
Which one of the following conversions involve change in both hybridisation and shape?

  • Chemistry-Chemical Bonding and Molecular Structure-1194.png
  • 2)
    Chemistry-Chemical Bonding and Molecular Structure-1195.png

  • Chemistry-Chemical Bonding and Molecular Structure-1196.png

  • Chemistry-Chemical Bonding and Molecular Structure-1197.png
The AsF5 molecule is trigonal bipyramidal. The hybrid orbitals used by the As atoms for bonding are

  • Chemistry-Chemical Bonding and Molecular Structure-1198.png
  • 2)
    Chemistry-Chemical Bonding and Molecular Structure-1199.png

  • Chemistry-Chemical Bonding and Molecular Structure-1200.png

  • Chemistry-Chemical Bonding and Molecular Structure-1201.png
The enolic form of acetone contains
  • 9 sigma bonds, 1 pi bond and 2 lone pairs
  • 8 sigma bonds, 2 pi bond and 2 lone pairs
  • 10 sigma bonds, 1 pi bond and 1 lone pair
  • 9 sigma bonds, 2 pi bond and 1 lone pair
A σ-bonded molecule MX3 is T-shaped. The number non-bonding pairs of electron is
  • 0
  • 2
  • 1
  • can be predicted only if atomic number of M is known
A covalent molecule AB3 has pyramidal structure. The number of lone pair and bond pair of electrons in the molecule are respectively.
  • 2 and 2
  • 0 and 4
  • 3 and 1
  • 1 and 3
The shape of XeF4 molecule and hybridisation of xenon in it are
  • tetrahedral and sp3
  • square planar and dsp2
  • square planar and sp3 d2
  • octahedral and sp3 d2
  • octahedral and d2 sp3
Which one of the following linear structure?
Chemistry-Chemical Bonding and Molecular Structure-1203.png
  • I, II and III
  • I and V
  • II, III and IV
  • All of these
In XeF6, oxidation state and state of hybridisation of Xe and shape of the molecule are, respectively
  • + 6, sp3 d3, distorted octahedral
  • + 4, sp3 d2, square planar
  • + 6, sp3, pyramidal
  • + 6, sp3 d2, square pyramidal
The state of hybridisation of S in SF4 is
  • sp3 and has a lone pair of electron
  • sp2 and has tetrahedral structure
  • sp3d and has a trigonal bipyramidal structure
  • sp3 d2 and has an octahedral structure
In which of the following pair both molecules do not possess same type of hybridisation ?
  • SF6 and XeF4
  • BCl3 and NCl3
  • CH4 and H2O
  • PCl5 and SF4
0:0:1


Answered Not Answered Not Visited Correct : 0 Incorrect : 0

Practice Chemistry Quiz Questions and Answers