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