Which of the following molecules/ions does not contain unpaired electrons?
The interionic attraction depends on interaction of
Which of the following species exhibits the diamagnetic behaviour?
Electrovalent compounds are
In the given bonds which one is most ionic
For a stable molecule, the value of bond order must be
Which of the following compounds of chlorine contains both ionic and covalent
The electronegativity difference between N and F is greater than that between N and H yet the dipole moment of NH3 (1.5 D) is larg..
Which of the following is a non-directional bond?
which of the following molecules/ions not contain unpaired electrons?
Solid NaCL is a bad conductor of electricity since
Among the following the electron deficient compound is:
Which of the following is an electrovalent linkage
Bond formed in Crystal by anion and cation is
Which of the following is isoelectronic with CO2?
Which one is least ionic in the following compounds
An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic number is
The strongest bond is
Which of the following is least soluble
The bond order of N2+ is
In (PO4)^3-ion, the formal charge on each oxygen atom and P-O bond order respectively are
the charge/size ratio of a cation determines its polarizing power,
Ionic bonds are usually formed by combination of elements with
When NaCL is dissolved in water, the sodium ion becomes
electrovalent compounds do not have
Which of the following species has a bond order other than 3?
Which form a crystal of NaCL
What is the effect of more electronegative atom on the strength of ionic bond
The species having bond order different from that in CO is
Which one of the following has longest covalent bond distance?
Among The bonds formed by a chloride atom with atoms of hydrogen, chlorine, sodium and carbon, the strongest bond is formed betwee..
which of the following statements is true?
C-C bond order in benzene is
Among the following, the paramagnetic compound is
NH3 and BF3 from an adduct readily because they form
From the molecular orbital theory, one can show that the bond order in F2 molecule as
Which metal has a greater tendency to form metal oxide?
Born-Haber cycle may be used to calculate
in which of the following pairs of molecules/ions both the species are not
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