chemical formula for calcium pyrophosphate is Ca2P2O7. The formula for ferric pyrophosphate will be
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
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 paramagnetic with bond order 0.5?
Electrovalent compounds are
Bond formed in Crystal by anion and cation is
In the given bonds which one is most ionic
Solid NaCL is a bad conductor of electricity since
The interionic attraction depends on interaction of
Which of the following is least soluble
Which of the following compounds of chlorine contains both ionic and covalent
Which of the following molecules/ions does not contain unpaired electrons?
Which one is least ionic in the following compounds
The strongest bond is
Which form a crystal of NaCL
electrovalent compounds do not have
Ionic bonds are usually formed by combination of elements with
Among the following the electron deficient compound is:
An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic number is
Which of the following is an electrovalent linkage
When NaCL is dissolved in water, the sodium ion becomes
Among The bonds formed by a chloride atom with atoms of hydrogen, chlorine, sodium and carbon, the strongest bond is formed betwee..
In (PO4)^3-ion, the formal charge on each oxygen atom and P-O bond order respectively are
The bond order of N2+ is
For a stable molecule, the value of bond order must be
What is the effect of more electronegative atom on the strength of ionic bond
which of the following statements is true?
Among the following mixtures, dipole-dipole as the Major interaction
Which of the following species has a bond order other than 3?
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..
Which of the following species exhibits the diamagnetic behaviour?
which of the following molecules/ions not contain unpaired electrons?
the charge/size ratio of a cation determines its polarizing power,
C-C bond order in benzene is
Which of the following is a non-directional bond?
Which of the following is isoelectronic with CO2?
The species having bond order different from that in CO is
Among the following, the paramagnetic compound is
The species Ar, K+ and Ca2+ contain the same number of electrons. In which order do their radii increase
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