A molecule/ion among the following species that does not exist under normal conditions is:
1. \(Be^+_2\)
2. \(Be_2\)
3. \(B_2\)
4. \(Li_2\)
The correct order of increasing bond angles in the following species is:
1. \(C l_{2} O < C l O_{2} < C l O_{2}^{-}\)
2. \(C l O_{2} < C l_{2} O < C l O_{2}^{-}\)
3. \(C l_{2} O < C l O_{2}^{-} < C l O_{2}\)
4. \(C l O_{2}^{-} < C l_{2} O < C l O_{2}\)
In which one of the following species the central atom has the type of hybridization which is not the same as that present in the other three?
1.
2.
3.
4.
According to the MO theory, which of the following lists ranks the nitrogen species in terms of increasing bond order?
1.
2.
3.
4.
The correct state of hybridisation of C2, C3, C5 and C6 of the hydrocarbon
is in the sequence:
1. sp, sp3, sp2 and sp3
2. sp3, sp2, sp2 and sp
3. sp, sp2, sp2 and sp3
4. sp, sp2, sp3 and sp2
In which of the following molecules/ions BF3, , and H2O, the central atom is sp2 hybridized?
1.
2.
3.
4.
What is the dominant intermolecular force or bond that must be overcome in converting liquid CH3OH to a gas?
1. Hydrogen bonding
2. Dipole-dipole interaction
3. Covalent bonds
4. London dispersion force
The correct order of increasing bond angles in the following triatomic species is:
1.
2.
3.
4.
The correct order of increasing bond order among the given is -
1.
2.
3.
4.