12 Questions
What is the hybridization of a carbon atom in methane?
sp3
What is the geometry of a sp2 hybridized carbon atom?
Trigonal Planar
In ethene, how many sigma bonds are formed by each carbon atom?
3
What type of bond is formed by the head-on overlap of atomic orbitals?
Sigma bond
Why does a sp3 hybridized carbon atom have a tetrahedral geometry?
To minimize repulsion between orbitals
Which type of hybridization is found in compounds where carbon forms a double bond?
sp2
How many unpaired electrons are expected in the ground state electron configuration of B?
2
Why does carbon form 4 covalent bonds even though its ground state electronic configuration suggests only two unpaired electrons?
It undergoes a process of electron promotion.
What is the valency of Carbon in terms of the number of bonds it can form?
4
What type of energy orbitals form equal energy bonds?
Filled s orbitals
What happens to Be and B regarding their electron configurations for bonding?
They undergo a process of electron promotion.
Which element is tetravalent and can form 4 covalent bonds?
Carbon
Explore the concept of valency and bonding electrons in atoms and molecules through examples like lithium, beryllium, boron, and carbon. Understand how to determine the expected valence and the actual valence found in different elements.
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