BeMe2 rapidly polymerizes to form a linear chain of tetrahedral Be atoms. The same process does not occur for BeBut2 due to steric hindrance and the shape at Be is linear. What sort of hybridization is present in each case?

A) BeMe2 is sp2 hybridized and BeBut2 is sp hybridized. B) BeMe2is sp3 hybridized and BeBut2 is sp hybridized. C) BeMe2is sp3 hybridized and BeBut2 is sp2 hybridized. D) BeMe2is sp hybridized and BeBut2 is sp3 hybridized. A) BeMe2 is sp2 hybridized and BeBut2 is sp hybridized. B) BeMe2is sp3 hybridized and BeBut2 is sp hybridized. C) BeMe2is sp3 hybridized and BeBut2 is sp2 hybridized. D) BeMe2is sp hybridized and BeBut2 is sp3 hybridized.

The bonding in B2H6 is best described by which of the following statements?

A) 2-centre 2-electron bonds, 3-centre 2-electron bonding and 2-centre 2-electron bonding B) 3-centre 2-electron bonding and 2-centre 2-electron bonding C) 3-centre 4-electron bonds D) 3-centre 2-electron bonding A) 2-centre 2-electron bonds, 3-centre 2-electron bonding and 2-centre 2-electron bonding B) 3-centre 2-electron bonding and 2-centre 2-electron bonding C) 3-centre 4-electron bonds D) 3-centre 2-electron bonding

Exam 5: Polyatomic Molecules

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BeMe₂ rapidly polymerizes to form a linear chain of tetrahedral Be atoms. The same process does not occur for BeBu^t₂ due to steric hindrance and the shape at Be is linear. What sort of hybridization is present in each case?

(Multiple Choice)

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Question 21

In the BeH₂ molecular orbital diagram shown below, the Be is double bonded to the H atoms.

(True/False)

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Question 22

The 'formal charge' is defined as?

(Multiple Choice)

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Question 23

For each of the atoms highlighted in bold, determine the type of hybridization present. -CH₃CH₂CCH

(Multiple Choice)

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Question 24

In the second period from Li to Ne, while no molecules exist which have more than eight electrons, there are some which exist with less. These molecules are described as electron ____

(Short Answer)

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Question 25

The bonding in B₂H₆ is best described by which of the following statements?

(Multiple Choice)

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Question 26

Use VSEPR theory to match the molecule with its shape. -H₂S

(Multiple Choice)

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Question 27

In VSEPR theory, the most important interactions that should be considered when placing bonding and lone pairs of electrons in a trigonal bipyramid occur at 90°.

(True/False)

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Question 28

A stream of trichloromethane (chloroform) will be deflected by a positive charge because the more electronegative ____ atoms generate dipoles which do not cancel each other out.

(Short Answer)

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Question 29

When predicting the shape of a molecule containing lone pairs, which of the following should be arranged first?

(Multiple Choice)

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Question 30

Showing 21 - 30 of 30

BeMe₂ rapidly polymerizes to form a linear chain of tetrahedral Be atoms. The same process does not occur for BeBu^t₂ due to steric hindrance and the shape at Be is linear. What sort of hybridization is present in each case?

In the BeH₂ molecular orbital diagram shown below, the Be is double bonded to the H atoms.

The 'formal charge' is defined as?

For each of the atoms highlighted in bold, determine the type of hybridization present. -CH₃CH₂CCH

In the second period from Li to Ne, while no molecules exist which have more than eight electrons, there are some which exist with less. These molecules are described as electron ____

The bonding in B₂H₆ is best described by which of the following statements?

Use VSEPR theory to match the molecule with its shape. -H₂S

In VSEPR theory, the most important interactions that should be considered when placing bonding and lone pairs of electrons in a trigonal bipyramid occur at 90°.

A stream of trichloromethane (chloroform) will be deflected by a positive charge because the more electronegative ____ atoms generate dipoles which do not cancel each other out.

When predicting the shape of a molecule containing lone pairs, which of the following should be arranged first?

Fundamentals

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Acids and Bases

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Molecular Characterisation

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Halogenoalkanes: Substitution and Elimination Reactions

Alkenes and Alkynes: Electrophilic Addition and Pericyclic Reactions

Benzene and Other Aromatic Compounds: Electrophilic Substitution Reactions

Aldehydes and Ketones: Nucleophilic Addition and Α-Substitution Reactions

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Exam 5: Polyatomic Molecules

BeMe2 rapidly polymerizes to form a linear chain of tetrahedral Be atoms. The same process does not occur for BeBut2 due to steric hindrance and the shape at Be is linear. What sort of hybridization is present in each case?

In the BeH2 molecular orbital diagram shown below, the Be is double bonded to the H atoms.

The 'formal charge' is defined as?

For each of the atoms highlighted in bold, determine the type of hybridization present. -CH3CH2CCH

In the second period from Li to Ne, while no molecules exist which have more than eight electrons, there are some which exist with less. These molecules are described as electron ____

The bonding in B2H6 is best described by which of the following statements?

Use VSEPR theory to match the molecule with its shape. -H2S

In VSEPR theory, the most important interactions that should be considered when placing bonding and lone pairs of electrons in a trigonal bipyramid occur at 90°.

A stream of trichloromethane (chloroform) will be deflected by a positive charge because the more electronegative ____ atoms generate dipoles which do not cancel each other out.

When predicting the shape of a molecule containing lone pairs, which of the following should be arranged first?

Fundamentals

The Language of Organic Chemistry

Atomic Structure and Properties

Diatomic Molecules

Solids

Acids and Bases

Gases

Reaction Kinetics

Molecular Spectroscopy

Analytical Chemistry

Molecular Characterisation

Energy and Thermochemistry

Entropy and Gibbs Energy

Electrochemistry

Phase Equilibrium and Solutions

Isomerism and Stereochemistry

Organic Reaction Mechanisms

Halogenoalkanes: Substitution and Elimination Reactions

Alkenes and Alkynes: Electrophilic Addition and Pericyclic Reactions

Benzene and Other Aromatic Compounds: Electrophilic Substitution Reactions

Aldehydes and Ketones: Nucleophilic Addition and Α-Substitution Reactions

Carboxylic Acids and Derivatives: Nucleophilic Acyl Substitution and Α-Substitution Reactions

Hydrogen

S-Block Chemistry

P-Block Chemistry

D-Block Chemistry

Filters

BeMe₂ rapidly polymerizes to form a linear chain of tetrahedral Be atoms. The same process does not occur for BeBu^t₂ due to steric hindrance and the shape at Be is linear. What sort of hybridization is present in each case?

In the BeH₂ molecular orbital diagram shown below, the Be is double bonded to the H atoms.

For each of the atoms highlighted in bold, determine the type of hybridization present. -CH₃CH₂CCH

The bonding in B₂H₆ is best described by which of the following statements?

Use VSEPR theory to match the molecule with its shape. -H₂S