This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
ScanSolve AI Answer
Here are the answers to Question Five. I. Which of the following has the lowest boiling point? Step 1: Compare the molecular formulas and structures of the given compounds. • n-butane: C_4H_10 (straight chain) • 2-methyl butane: C_5H_12 (branched chain) • 2-methylpentane: C_6H_14 (branched chain) • n-pentane: C_5H_12 (straight chain) Step 2: Determine the compound with the lowest molecular weight and highest branching (if comparing isomers). Boiling point generally increases with molecular weight. Among compounds with similar molecular weights, branching decreases the surface area for intermolecular forces, leading to a lower boiling point. Comparing the molecular formulas, n-butane (C_4H_10) has the lowest molecular weight. Therefore, it will have the weakest London dispersion forces and the lowest boiling point. The correct option is a) n-butane. II. Which subshell can be found in all three shells of an atom? Step 1: Recall the subshells present in the first three principal energy shells (n=1, 2, 3). • For n=1 (first shell): only s subshell (1s) • For n=2 (second shell): s and p subshells (2s, 2p) • For n=3 (third shell): s, p, and d subshells (3s, 3p, 3d) Step 2: Identify the subshell common to all three shells. The s subshell is present in the first, second, and third shells. The correct option is b) s-orbital. III. How many chain isomers are shown by CH10? Step 1: Interpret the chemical formula. The formula "CH10" is likely a typo and should be C_4H_10 (butane) or C_5H_12 (pentane) given the options. Since option (b) 2 is circled, we will assume the question refers to C_4H_10. Step 2: List the chain isomers for C_4H_10. 1. n-butane: CH_3-CH_2-CH_2-CH_3 (a straight chain) 2. 2-methylpropane (isobutane): CH_3-CH(CH_3)-CH_3 (a branched chain) There are 2 chain isomers for C_4H_10. The correct option is b) 2. IV. How many electrons are being carried by an S-orbital? Step 1: Recall the maximum electron capacity of an s-orbital. According to the Pauli exclusion principle, any single atomic orbital (including an s-orbital) can hold a maximum of two electrons, provided they have opposite spins. The correct option is c) 2. V. What is the name of the functional group in the R-OH organic compounds? Step 1: Identify the general formula for the given class of organic compounds. R-OH represents an alcohol. Step 2: Determine the name of the functional group. The -OH group is called the hydroxyl group. In multiple-choice questions, the class name "Alcohol" is often used to refer to the functional group in this context. The correct option is a) Alcohol. Send me the next one 📸