When two atoms combine to form a
molecules:

The combination of atoms occur because
they want :

Which condition favours the bond formation:

an electrovalent bond or ionic bond is formed
between:

Most favourable conditions for electrovalent
bonding are:

The electtonegativity of cesium is 0.7 and
fluorine is 4.0. The bond formed between the
two is:

Electrovalent bond or ionic bond is formed
by:

Element X is strongly electropositive and is
strongly electronegative. Both are univalent.
The compound formed would be:

Element a has 3 electrons in the outermost
orbit and element B has 6 eletrons in the
outermost orbit. The formula of the compound
formed between A and B would be:

Ionic compounds in general possess both:

Conditions for ionic bond form(1) Small cation, large anion
(2) low IP of cation, high electron affinity of
anion
(3) Large cation, small anion and less charge
(4) Less lattice energy
Correct answer is:ation is/are:

An ionic compound A+
B–
is most likely to

be formed when:

Electrovalent compounds or ionic compounds
do not show stereoisomerism. The reason
is:

Compound of a metal ‘M’ is M2O3
. The

formula of its nitride will be:

Polarity between two atoms is depend on:

As compared to covalent compounds
electrovalent compounds generally possess:

An ionic compound A+B–

is most likely to be

formed when:

In which of the following solvents, KI has
highest solubility? The dielectric constant ()
of each liquid is given in parentheses:

Solid NaCl is a bad conductor of electricity
because:

Molten sodium chloride conducts electricity
due to the presence of

Ionic reactions occur in

Which of the following statements about LiCl
and NaCl is wrong:

A covalent bond is possible between:

Which of the following statement is not true
about covalent compounds:

In a triple bond there is sharing of:

Which of the following bonds will have
directional character:

The boiling point of ICl is nearly 40°C higher
than that of Br2

although the two subtances
have the same relative molecular mass. This
is bacause:

The type of bond formed between two
electronegative atoms would be:

Correct order of covalent character of alkaline
earth metal chloride in:

Which of the compound is least soluble in
water:

Which pair in the following has maximum
and minimum ionic character respectively:

The M.P. of SnCl4

is less than of SnCl2
, the
suitable reason for the observed fact is:

Which of the following statements regarding
covalent bond is not true?

Which of the following has least polarity in
bond?

Among LiCl, BeCl2
, BCl3
and CCl4
, the
covalent bond character follows the order:

Elements have electronegativities 1.5 and 3.0,
bond formed between them would be:

The correct order of decreasing polarisable
ions is:

According to Fajan’s rules necessary
condition to form covalent bond is:

Which is most ionic:

The correct order of increasing covalent
character of the following is:

Which of the following is not a characteristic
of a covalent compound:

The order of decreasing polarity in the
compounds:
CaO, CsF, KCl, MgO is-

Correct order of polarising power is:

Which of the following statements is correct

The cyanide ion, CN–
and N2
are isoelectronic

But in constast to CN–
, N2
is chemically

inert, because of:

In Co-ordinate bond, the acceptor atoms must
essentially contain in its valency shell an
orbital:

Correct statement regarding this reaction

BF3
+ NH3  [F3B  NH3
]

The correct statement for the reaction
   NH3  H NH4

The bonds present in N2O5
are:

The pair of compounds which can form a
co-ordinate bond is: