1. A Review of General Chemistry

Which of the following best represents the skeletal structure of $C_4{H}_{10}O$ (tert-butanol, $\left({\mathrm{CH}}_3\right)3\mathrm{COH}$)?

Given the line-angle drawings shown, answer the following questions:

(i) How many carbons are in each molecule?

(ii) How many hydrogens are at the circled carbon?

(iii) Is the indicated (→) carbon or 1° , 2°, 3°, or 4°?

(e)

Which of the following best represents the skeletal structure of the major organic product formed from the reaction of $C_2{H}_5\mathrm{Br}$ (ethyl bromide) with sodium ethoxide in ethanol?

Which of the following skeletal structures correctly represents $\left({\mathrm{CH}}_3\right)2\mathrm{CH}\mathrm{CH}2\mathrm{CH}\mathrm{Cl}\mathrm{CH}3$?

Given the skeletal structure of pentane, how many hydrogen atoms are present in the molecule?

Which of the following best describes a skeletal structure in organic chemistry?