Advertisements
Advertisements
Question
A molecule of ammonia (NH3) has
Options
only single bonds
only double bonds
only triple bonds
two double bonds and one single bond
Advertisements
Solution
only single bonds
Explanation -
Three hydrogen atoms share their electrons with one nitrogen atom to form a molecule of ammonia, NH3. This allows nitrogen and hydrogen atom to attain the electronic configuration of the nearest noble gas Ne and He, respectively. The shared pair of electron is said to contribute a single covalent bond. So there are 3 single covalent bonds in ammonia.
APPEARS IN
RELATED QUESTIONS
State the reason to explain why covalent compounds "have low melting and boiling points."
How does graphite act as a lubricant?
The electronic configurations of two elements A and B are given below:
| A | 2, 6 |
| B | 2, 8, 1 |
(a) What type of chemical bond is formed between the two atoms of A?
(b) What type of chemical bond will be formed between the atoms of A and B?
State the type of bonding in the following molecule.
Hydroxyl ion
State the type of bonding in the following molecule.
Methane
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Water
Explain the Structural isomerism term with example.
Explain the following term with example.
Unsaturated hydrocarbon
Explain the following:
Non-polar covalent compounds are insoluble in water.
Which of the following is a common characteristic of a covalent compound?
Write the molecular formula of the given compound.
Propylene
Write an Explanation.
Alkene
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
| \[\begin{array}{cc} \phantom{..}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\ \phantom{..}|\phantom{....}|\phantom{....}|\\ \ce{H - C - C- C- H}\\ \phantom{.}|\phantom{....}|\phantom{....}|\\ \ce{H - C - H}\\ |\\\ce{H}\end{array}\] |
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
 |
The number of pi-bonds present in benzoic acid molecule are ______.
Which of the following is the purest form of carbon?
Which of the following compounds of carbon does not consist of ions?
Which of the following is the formula of Butanoic acid?
In covalent bond formation, the sharing of ______ electrons takes place in their outermost shell.
It is observed that covalent compounds are had conductors of electricity. Give reason.
