MX6 is a molecule with octahedral geometry. How many X – M – X bonds are at 180°?
1.four
2.two
3. three
4.six
Sp3d2 hybridization is present in [Co(NH3)63+], find its geometry
1. octahedral geometry
2.square planar geometry
3. tetragonal geometry
4.tetrahedral geometry
The formal charge and P-O bond order in PO43- respectively are
1. 0.6, -0.75
2. -0.75, 1.25
3.1.0, -0.75
4. 1.25, -3
Which of the molecules does not have a permanent dipole moment?
1.SO3
2. SO2
3.H2S
4.CS2
Find the molecule with the maximum dipole moment
1. CH4
2.NH3
3.CO2
4.NF3
Find the pair with sp2 hybridisation of the central molecule
1.NH3 and NO2–
2. BF3 and NH2–
3.BF3 and NO2–
4. NH2– and H2O
C-O bond length is minimum in
1.CO2
2.CO32-
3.HCOO–
4.CO
Molecules are held together in a crystal by
1.hydrogen bond
2. electrostatic attraction
3.Van der Waal’s attraction
4.dipole-dipole attraction
pℼ – dℼ bonding is present in which molecule
1. SO32-
2.CO32-
3. NO3–
4.BO33-
Which one has a pyramidal shape?
1. SO3
2. PCl3
3. CO32-
4.NO3–