37) Which of the ff statement/s is/are true about the properties of alkanes? a. Alkanes are generally unreactive. b. The boiling point of alkanes is not affected by its structure. c. Both A & B are true. d. The products of combustion of an alkane are carbon monoxide and water. e. All of the above

9. Which of the following statements concerning the chemical properties of alkanes and cycloalkanes is correct? A. Alkanes undergo combustion reactions but cycloalkanes do not. B. Neither alkanes nor cycloalkanes undergo combustion reactions. C. Both alkanes and cycloalkanes undergo combustion reactions. D. Alkanes undergo combustion reactions but do not undergo halogenation reactions.

Choose the answer to the following questions

1. The following are isomers of each other I. pentane II. 2,2,-dimethylpropane III. 2-methylbutaneIV. 2,3-dimethylhexane A. Alkanes are nonpolar. B. Alkanes are non-flammable. C. Every carbon in an alkane has four bonds. D. Alkanes contain only C and H atoms. E. Alkanes do not contain carbon-carbon double or triple bonds.   1b. Which of these is a weak base? A. NaOH B. H3PO4 C. CH3COOH  D. NaHCO3 E. NH4NO3 1c. Which of these pairs are formed when NaHCO3 (baking soda) is dissolved in water? NaHCO3 → ______ + ______. A. NaOH + CO2 B. Na+ +HCO3- C. NaH+ +CO3- D. Na + HCO3 E. NaH- + CO3+   1D. Which of these statements about water is(are) incorrect? A. It has a pH of 7.0 at ambient temperatures. B. It contains no ions. C. It is neutral. D. It can act as a proton donor. E. It can act as a proton acceptor.

4. Draw simple molecules that contain the following functional groups. Draw as skeleton structures, as shown above - do not draw carbons, but only lines to represent bonds between them. Do not draw hydrogens if they are attached to a carbon atom. а. Carboxylic Асid b. Halide с. Ester d. Amine e. Ketone f. Aldehyde

3. Name each of these compounds (including isomer prefixes) and identify the functional groups present. a. H CH CH₂CH/ CH₂ Br b. H CH H El CHS

C. Functional groups 5. Draw the line angle formulas for each of the compounds whose names appear below. Name the functional group present in each molecule. State if hydrogen bonding is possible in pure samples of each compound. a. 2-pentanol b. cis-2-hexene c. 3-heptanone d. hexanoic acid e. ethyl propyl ether Last updated 04/7/2018 alco ermine this, this. wi

25. Which of these statements about alkanes is(are) invalid? A. Alkanes are nonpolar. B. Alkanes are non-flammable. C. Every carbon in an alkane has four bonds. D. Alkanes contain only C and H atoms. E. Alkanes do not contain carbon carbon double or triple bonds.

V, VI and VII,  thank you.

Hexane and cyclohexane are examples of two molecules that are.  A . Constitutional Isomers  B. cis - trans isomers  C. identical  D. enanitiomers  E . Unrelated with different formulas