Question

1.. How many different molecules are there with distinct properties with the molecular formula C2H5F? (Hint: Draw a lewis structure. Consider if the C-C bond can rotate)

Group of answer choices

A. 1

B. 2

C. 4

D. 3

2.. How many different molecules are there with distinct properties with the molecular formula C2H2F2?  (Hint: Draw a lewis structure. Consider if the C-C bond can rotate)

Group of answer choices

A. 2

B. 3

C. 1

D. 4

3.. Which statement is correct about the relation between hybridization and the formation of double bonds?

Group of answer choices

A. An atom with sp3 hybridization can form 2 double bonds.

B. An atom with sp hybridization can form 2 double bonds.

C. An atom with sp3 hybridization can form 4 double bonds.

D. There is no relationship between hybridization and double bonds.

E. None of the answers above are true.

Answer 1

1)

C2H5F has the following structure

CH3-CH2F . only one isomer is possible with this molecular formula

hence answer ::option A 1

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C2H4F2

possible structures are

CHF=CHF and CH2=CF2

since the bond can rotate we need not require to consider cis and trans isomers

Answer option A :: 2

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In CO2 for example carbon atom in sp hybridization which forms two double bond with two O atoms

Hence answer

option B:: An atom with sp hybridization can form 2 double bonds

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