Q.1
Shape of BeCl2?
  • V shape
  • trigonal planar
  • linear
  • tetrahedral
Q.2
What is the hybrization in CHNHHrespectively?
  • all sp
  • all sp3
  • sp3, sp2, sp
  • all sp2
Q.3
Which is NOT correctly matched?
  • tetrahedral = sp3
  • trigonal planar = sp2
  • all of these are correctly matched
  • trigonal bipyramidal = sp3d2
Q.4
What is the bond angle in octahedral shape?
  • 90, 120
  • 120, 90
  • all 90
  • all 120
Q.5
What is the hybridization of both carbons in CH2=CH2
  • sp2
  • sp
  • sp3
  • sp3d
Q.6
Which bonds are longer in trigonal bi pyramidal geometry
  • all same
  • axial
  • equatorial
  • random
Q.7
What is the shape of BrF3
  • trigonal planar
  • T shape
  • trigonal pyramidal
  • tetrahedral
Q.8
What is the hybridization of both carbons in ethane
  • sp3
  • sp2
  • sp
  • none of the above
Q.9
What is the shape of ClF5
  • pentagonal
  • trigonal bipyramidal
  • square planar
  • square pyramidal
Q.10
What is the shape of SF4
  • see-saw
  • tetrahedral
  • square planar
  • trigonal planar
Q.11
What is the hybridization in XeOF4
  • sp3
  • sp3d
  • sp3d2
  • sp3
Q.12
Which is most likely to form a covalent bond?
  • an alkali metal bonded to a halogen
  • a halogen bonded to a hydrogen atom
  • two transition metal atoms bonded to each other
  • a transition metal bonded to oxygen
Q.13
In order to break chemical bonds, energy must be ____.
  • released
  • absorbed
  • energy is not involved
  • None of these
Q.14
In an MO diagram, if all electrons are paired, this means the molecule is ___.
  • diamagnetic
  • paramagnetic
  • polar
  • nonpolar
Q.15
In which molecule does the central atom have the same hybridization as the central atom in SF4?
  • CH4
  • XeF4
  • NH3
  • PH5
Q.16
In which case does the central atom violate the octet rule?
  • BH3
  • NH3
  • H2O
  • HCl
Q.17
A particular MO diagram shows a diatomic molecule to havebonding and 7 antibonding electrons. What is the bond order?
  • 3
  • 1
  • 1.5
  • 1.3
Q.18
Which statement about oxygen (Ois TRUE?
  • the molecule has 2 pi bonds
  • each O atom is sp hybridized
  • O2 is a colorless liquid at room temperatures and pressures
  • O2 is a paramagnetic molecule and is attracted to a magnet
Q.19
As compared to pure atomic orbitals, hybrid orbitals have
  • Low energy
  • Same energy
  • High energy
  • None of these
Q.20
In HCHO,′C′ has hybridization
  • sp
  • sp2
  • sp3
  • All of the above
0 h : 0 m : 1 s