Which of the following is NOT a characteristic of covalent compounds?
They have low melting and boiling points.
They are generally insoluble in water but soluble in organic solvents.
They exist as gases, liquids, or solids at room temperature.
They are generally good conductors of electricity in the solid state.
Related Questions
In the electronic structure of the total number of unshared electrons is
20
16
12
8
The total number of bonds in acetylene molecule is:
One
Two
Three
Five
The electrons used in bonding atoms:
Belong to outermost shell
Belong to penultimate shell
Belong to outermost shell and sometimes penultimate shell
Belong to penultimate shell and sometimes to outermost shell
Which of the following two are isostructural?
An example of a polar covalent compound is
Solid is:
Molecular solid
Ionic solid
Covalent solid
Not exist
Which atomic orbital is always involved in sigma bonding only?
Which involves a bond forming process?
Stretching rubber
Dissolution of sugar in water
Rusting of iron
Emission of ฮณ-rays by radioactive iron
Which combination of atoms can form a polar covalent bond?
H and H
H and Br
N and N
Na and Br
The electronic configuration of elements are, $\begin{array}{l}
K = 1{s^2},2{s^2}2{p^1},,,,,L = 1{s^2},2{s^2}2{p^6}\
M = 1{s^2},2{s^2}2{p^4},,,,N = 1{s^2},2{s^2}2{p^3}
\end{array}$ The element that would form a diatomic molecule with double bond is:
