Which of the following molecules/ions does not contain unpaired electrons?
Electrovalent compounds are
The interionic attraction depends on interaction of
Bond formed in Crystal by anion and cation is
Among the following the electron deficient compound is:
Which of the following compounds of chlorine contains both ionic and covalent
Which form a crystal of NaCL
Solid NaCL is a bad conductor of electricity since
The strongest bond is
Ionic bonds are usually formed by combination of elements with
electrovalent compounds do not have
Which one is least ionic in the following compounds
Which of the following is least soluble
Which of the following is an electrovalent linkage
An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic number is
In (PO4)^3-ion, the formal charge on each oxygen atom and P-O bond order respectively are
Among The bonds formed by a chloride atom with atoms of hydrogen, chlorine, sodium and carbon, the strongest bond is formed betwee..
When NaCL is dissolved in water, the sodium ion becomes
Which of the following species exhibits the diamagnetic behaviour?
For a stable molecule, the value of bond order must be
The bond order of N2+ is
What is the effect of more electronegative atom on the strength of ionic bond
the charge/size ratio of a cation determines its polarizing power,
which of the following molecules/ions not contain unpaired electrons?
Among the following mixtures, dipole-dipole as the Major interaction
Which of the following is isoelectronic with CO2?
Which of the following species has a bond order other than 3?
Among the following, the paramagnetic compound is
Which of the following is a non-directional bond?
which of the following statements is true?
among the following the maximum covalent character is shown by the compound:
The species having bond order different from that in CO is
Two elements X and Y have following electronic configurations X = 1s2, 2s2 2p6, 3s2 3p6, 4s2 and Y = 1s2, 2s2 2p6, 3s2 3p5. The e..
C-C bond order in benzene is
H-bond is not present is
NH3 and BF3 from an adduct readily because they form
Which one of the following has longest covalent bond distance?
Born-Haber cycle may be used to calculate
The species Ar, K+ and Ca2+ contain the same number of electrons. In which order do their radii increase
The number of nodal planes present in antibonding orbitals is
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