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Alkanes are characterized by the general molecular formula: C_nH_2n-2 C_nH_2n C_

ID: 478304 • Letter: A

Question

Alkanes are characterized by the general molecular formula: C_nH_2n-2 C_nH_2n C_nH_2n + 2 C_nH_2n + 4 Cyclolkanes are characterized by the general molecular formula: C_nH_2n-2 C_nH_2n C_nH_2n+2 C_nH_2n + 4 The carbon-carbon sigma bond in ethane is formed by overlap of which two orbit 2p-2p sp-sp sp^2-sp^2 sp^3 - sp^3 What is the IUPAC name of the following compound? 4, 4-dimethylpentane 2, 2-dimethylpentane 1-tert-butylpropane 1, 1, 1-trimethylbutane The correct IUPAC name of the following compound is 2-ethyl-3, 5-dimethylheptane. 3, 4, 4-trimethyloctane. 6-ethyl-5, 5-dimethylheptane 5, 5, 6-trimethyloctane.

Explanation / Answer

1. alkanes general formul CnH2n+2 (answer -c)

2. Cyclo alkene general formul CnH2n (answer -b)

3. SP3-SP3 overlap (answer -d)

4. 2,2-dimethyl pentane (give numbering from right, it is a five carbon long chain having two methyl substitutients at 2nd position; the IUPAC name is 2,2, dimethyl pentane) (answer -C)

5. 3,4,4-trimethyl octane (give numbering from right side; 8 carbon long chain with substitutions at 3, 4, 4, methyls)

(answer -C)

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