chemical formula for calcium pyrophosphate is Ca2P2O7. The formula for ferric pyrophosphate will be
Among the following mixtures, dipole-dipole as the Major interaction
Magnesium reacts with an element (X) to form an ionic compound. If the ground state electronic configuration of (X) is 1s2 2s2 2p3..
The calculated bond order in O2 -ion is
Which of the following is paramagnetic with bond order 0.5?
among the following the maximum covalent character is shown by the compound:
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 molecules/ions does not contain unpaired electrons?
In the given bonds which one is most ionic
Which of the following species exhibits the diamagnetic behaviour?
Which of the following compounds of chlorine contains both ionic and covalent
The interionic attraction depends on interaction of
Electrovalent compounds are
Bond formed in Crystal by anion and cation is
Which of the following is an electrovalent linkage
Which of the following is a non-directional bond?
Solid NaCL is a bad conductor of electricity since
Among the following the electron deficient compound is:
Which of the following is least soluble
electrovalent compounds do not have
An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic number is
The strongest bond is
Which form a crystal of NaCL
Which one is least ionic in the following compounds
Ionic bonds are usually formed by combination of elements with
In (PO4)^3-ion, the formal charge on each oxygen atom and P-O bond order respectively are
When NaCL is dissolved in water, the sodium ion becomes
The species having bond order different from that in CO is
Which of the following is isoelectronic with CO2?
which of the following molecules/ions not contain unpaired electrons?
For a stable molecule, the value of bond order must be
Among The bonds formed by a chloride atom with atoms of hydrogen, chlorine, sodium and carbon, the strongest bond is formed betwee..
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?
The bond order of N2+ is
C-C bond order in benzene is
which of the following statements is true?
Which one of the following has longest covalent bond distance?
NH3 and BF3 from an adduct readily because they form
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