chemical formula for calcium pyrophosphate is Ca2P2O7. The formula for ferric pyrophosphate will be
Formula of a metallic oxide is MO. The formula of its phosphate will be
The molecular formula of chloride of a metal M is MCL3. The formula of its carbonate would 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 interionic attraction depends on interaction of
Bond formed in Crystal by anion and cation is
Which form a crystal of NaCL
Electrovalent compounds are
Which of the following compounds of chlorine contains both ionic and covalent
Solid NaCL is a bad conductor of electricity since
The strongest bond is
Ionic bonds are usually formed by combination of elements with
Which one is least ionic in the following compounds
electrovalent compounds do not have
Which of the following is least soluble
The bond order of N2+ is
which of the following statements is true?
Which of the following is an electrovalent linkage
In the given bonds which one is most ionic
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..
An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic number is
What is the effect of more electronegative atom on the strength of ionic bond
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?
Among the following mixtures, dipole-dipole as the Major interaction
The calculated bond order in O2 -ion 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..
The species Ar, K+ and Ca2+ contain the same number of electrons. In which order do their radii increase
Which of the following molecules/ions does not contain unpaired electrons?
Born-Haber cycle may be used to calculate
Among the following the electron deficient compound is:
Which of the following is a non-directional bond?
In (PO4)^3-ion, the formal charge on each oxygen atom and P-O bond order respectively are
H-bond is not present is
Among the following, the paramagnetic compound is
For a stable molecule, the value of bond order must be
Which of the following is isoelectronic with CO2?
NH3 and BF3 from an adduct readily because they form
Which one of the following has a coordinate bond?
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