MDCAT Chemistry

Sp-Hybridization MDCAT Quiz with Answers

Sp-Hybridization MDCAT Quiz; Those molecules where the central atom forms two bonds with other atoms. The concepts of sp hybridization will enable one to answer a variety of questions in the MDCAT Quiz that focus on molecular geometry, bond angles, and structure for molecules displaying a triple bond or linear geometries.

H2: Concept of sp Hybridization

sp Hybridization The combination of one s orbital and one p orbital from the same atom leads to two equivalent hybrid orbitals. These two sp hybrid orbitals orient in a linear geometry with bond angles of 180°. The remaining two p orbitals on the atom remain unhybridized and can form pi bonds with other atoms. sp Hybridization Typically, sp hybridization is observed in molecules containing triple bonds, as in acetylene (C₂H₂). In this case, each carbon undergoes sp hybridization, resulting in two sigma bonds—one with hydrogen and one with the other carbon atom. The unhybridized p orbitals of each carbon form two pi bonds, leading to a triple bond between the two carbon atoms.

H3: Quiz on sp Hybridization

The MDCAT Quiz on sp hybridization is intended to test students’ abilities in the identification of molecules with sp hybridized atoms and an understanding of their molecular geometry. Students will be expected to determine bond angles, make predictions regarding structure, and describe the bonding in molecules such as acetylene (C₂H₂), carbon monoxide (CO), and hydrogen cyanide (HCN), whose central atoms are sp hybridized. In this quiz, much emphasis will be placed on how the formation of pi bonds, in addition to sigma bonds, relates to the stability and reactivity of molecules. Practicing these quiz questions will allow students to reinforce their understanding of sp hybridization and prepare for related questions in the MDCAT exam.

H2: Examples of sp Hybridized Molecules

Several molecules feature sp hybridization, and understanding their structure and bonding is crucial for MDCAT preparation. Here are some key examples:

Acetylene: In acetylene, both carbon atoms hybridize to form a sigma bond with one hydrogen atom and another such bond with the other carbon atom. Two pi bonds are formed by the remaining p orbitals of the two carbon atoms, resulting in a triple bond between the two carbon atoms. The linear geometry is obtained with a 180° bond angle.

Carbon Monoxide (CO): In carbon monoxide, the carbon atom undergoes sp hybridization, forming one sigma bond with oxygen and another sigma bond with the lone pair of electrons on oxygen. The remaining p orbitals on carbon and oxygen overlap to form two pi bonds, resulting in a triple bond between carbon and oxygen. The molecule has a linear shape with bond angles of 180°.

Hydrogen Cyanide—HCN In HCN, the carbon atom undergoes sp hybridization to form one sigma bond with hydrogen and one sigma bond with nitrogen. The remaining p orbitals on carbon and nitrogen form two pi bonds, resulting in a triple bond between carbon and nitrogen. The molecule is linear with bond angles 180°.

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H3: Free Flashcard for sp Hybridization

The Free Flashcards for this topic would help the MDCAT students reinforce their understanding of sp hybridization. These flashcards allow the student to glance over, in a very short amount of time, the process entailed in sp hybridization and the effect it has on molecular geometry and, subsequently, on such molecules as acetylene and carbon monoxide. Through repeated exposure to these flashcards, the student becomes capable of locating an sp hybridized atom or making predictions about the characteristics of the molecule. A very useful exercise for quick revision and making students confident for the MDCAT exam question about sp hybridization.

What type of hybridization occurs when one s orbital and one p orbital mix?

What is the geometry of a molecule with sp hybridization?

How many hybrid orbitals are formed in sp hybridization?

What is the bond angle in a molecule with sp hybridization?

Which molecule exhibits sp hybridization in its central atom?

How many unhybridized p orbitals are present in sp hybridization?

Which type of bond is formed by the unhybridized p orbitals in sp hybridization?

What is the hybridization of the carbon atoms in ethyne (C₂H₂)?

In sp hybridization, the orbitals are oriented in which geometry?

Which of the following molecules contains an sp-hybridized atom?

What is the hybridization of the beryllium atom in BeF₂?

How many pi bonds are present in a molecule with sp hybridization?

What is the bond angle in a linear molecule with sp hybridization?

Which of the following is an example of a molecule with sp hybridization?

What is the hybridization of the central atom in a molecule with two regions of electron density?

Which hybrid orbitals are involved in forming sigma bonds in sp hybridization?

How many sigma and pi bonds are present in acetylene (C₂H₂)?

What is the geometry of sp hybrid orbitals?

Which of the following bond types is characteristic of sp hybridized molecules?

What is the hybridization of the central atom in HC≡CH?

In sp hybridization, how many unhybridized orbitals remain after hybridization?

What is the hybridization of the carbon atom in CO₂?

Which of the following is an example of sp hybridization in a central atom?

What type of molecular shape results from sp hybridization?

Which molecule exhibits sp hybridization in its structure?

What is the hybridization of the central atom in BeCl₂?

How many regions of electron density surround the central atom in sp hybridization?

What is the hybridization of carbon in molecules with triple bonds?

Which bond angles are found in molecules with sp hybridization?

How many unhybridized p orbitals remain in sp hybridization?

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