Properties of covalent compounds - class-XI
Description: properties of covalent compounds | |
Number of Questions: 28 | |
Created by: Ashok Dhingra | |
Tags: chemistry atomic structure and chemical bonding chemical bonding and structure elements and compounds chemical bonding and molecular structure chemical bond and chemical equation |
Which statement about bonding is not correct?
Covalent bonds are formed when electrons are $1$ .
Most covalent compounds have $2$ electrical conductivity.
Which words correctly complete gaps $1$ and $2$?
Butane is:
More covalent character is found in
Covalent bond is present in which of the following molecule?
Compound $X$ is highly volatile and insoluble in water. Bonding in $X$ is :
Which of the following is not a property of covalent compounds?
Covalent compounds are soluble in :
A solid substance is soft, has a low melting point, and is a poor conductor of electricity. It is:
Which of the following is good conductor of electricity?
Which of the following is used as lubricant ?
Covalent compounds have generally low melting and boiling points.
Covalent compounds are usually water soluble.
The density of water is more than ice.
Which of the following is not a characteristic of a covalent compound :-
Which of the following statements is not true about covalent compounds:-
Which of the following represents the correct increasing order of forces of attraction between the molecules?
A solid which is transparent to visible light and whose conductivity increases with temperature is formed by :
Compounds evaporating easily and giving off a smell are?
A (2, 8, 7) B (2, 8, 1) C (2) D (2, 6) E(2, 8)
Covalent compounds are generally _________ in water.
Maximum number of bonds between two atoms of a covalent bond can be:
Two compounds of A and B have similar formula $AX _3$ and $BX _3$ respectively. But, the compound of A has the dipole moment and dipole moment of the compound of B is zero. Which of the following statements is true regarding compounds of A & B?
Assertion : $CH _3Cl$ is a polar molecule.
Reason : The Lewis diagram of polar molecules always has at least one lone pair of electrons.
Which of the following statements is/are true?
$A,\ B,\ C$ are three substances. $A$ does not conduct electricity in the solid, molten state and aqueous solution. $B$ conducts electricity both in the fused and aqueous states, while $C$ conducts electricity only in the aqueous state. In solid state neither $B$ nor $C$ conducts electricity. Which of the following statements is/are true regarding $A,\ B$ and $C $?