Hence, $ A{{l}^{3+}} $ polarise $ C{{l}^{-}} $ ions to much extent and consequently, it is partly covalent while $ NaCl $ is much ionic. WATER has the highest boiling point because water is a strong dipole and the molecules are interconnected by hydrogen bonds. Hence C 4 H 9 C l straight chain molecule with the highest number of carbons has the highest boiling point. 6 . 205.5 m = _____ mm (1 point) 205,500 0.2055 20.55 20,550 2. a. F2 b. NaF c. HF d. ClF From HIGHEST to LOWEST boiling point, which is the correct order of the following linear alkanes? Your dashboard and recommendations. Chemistry. So what we're really asking here is, which of these answer choices explains why nonane has more intermolecular forces amongst the molecules, compared to TFP? So, chloroform is polar and forms Van der Waals bonds. The correct relationship between the boiling points of very dilute solutions of A l C l 3 (t 1 ) and C a C l 2 (t 2 ), having the same molar concentration, is : View solution An organic compound conatins 40% C and 6.7% H.The boiling point of a 5% aqueous solution of this compound is found to be 373.15 K.Find the molecular formula mass of the compound . The more sphere like the molecule, the lower its surface area will be and the fewer intermolecular Van der Waals interactions will operate. PH3 = polar molecule = Dipole-Dipole Forces. 3. i. (ethanol, alcohol!!) So, it has the highest boiling point. Favourite answer. Boiling points of the following: a. Which of the following has the highest boiling point ? 7.1k VIEWS. The boiling points of discrete molecules is a function of the strength of the intermolecular forces (collectively known as van der Waals forces). 2-pentanone= 101 - 105 °C. Boiling point elevation depends on the solvent, of course, but we're assuming water, and upon the concentration of the solute and how many particles into which the solute breaks. are all questions about boiling points similar? Of the following compounds. Highest boiling point to Lowest CH3CH(CH3)CH2CH2CH3 CH3CH2NHCH2CH2CH2CH3 CH2(OH)CH2CH2CH2(OH) N(CH2CH3)3 CH2(NH2)CH2CH2CH2(NH2) CH3C(CH3)2CH2CH3 Which of the following compounds has the highest boiling point? My guess is that CH3-CH2-F has a higher boiling point because F is more electronegative than O. 66 views. Which of the following molecules has the highest boiling point? Boiling point will be highest for the molecule having maximum bonds. (A) lodobenzene (B) Bromobenzene (C) Chlorobenzene (D) Fluorobenzene. It does, but that isn't the reason it has the highest boiling point. Go through the list above. 2. Could you also explain it to me. Amongst H 2 O, H 2 S, H 2 S e, and H 2 T e, the one with the highest boiling point is: View solution Molecular solids generally have low melting points and boiling points due to relatively weak intermolecular attractions that hold the molecules in their solid form. (a) (b) (c) (d) Which of the following has the greatest solubility Switch to. CH4,BH3,NH3, SH2? 10 years ago. None of these are polar. Which pair of molecules has the strongest dipole-dipole interactions? Chemistry. Which of the following compounds has the highest boiling point? Thanks in advance! asked Oct 6, 2020 in Haloalkanes and Haloarenes by Ruksar02 (52.4k points) retagged Oct 9, 2020 by Ruksar02. List the following molecules in order of increasing boiling point: Br2, F2, I2, Cl2, Answer Higher boiling points will correspond to stronger intermolecular forces. a. C2H4 b. CH4 c. CH3CH3 d. CH3CH2CH3 e. It is not possible to determine without more information. (A) CH3CH2CH2Cl (B) CH3CH2CH2CH2Cl (C) CH3CH(CH3)CH2Cl (D) (CH3)3CCl. Br2 not only can be a liquid, but is a liquid at room temperature. N2 and Cl2 are diatomic molecules with covalent bonds. or they they have to do with intermolecular . Get the detailed answer: Which of the following molecules has the highest boiling point? Which one of the following would have a higher boiling point than CH3CH2CH2OH? 2,2-Dimethyl butane b. 34,717 results, page 26 math. Cl2 and CH4 NH3 and NO3- H2O and SF4 HF and PCl5 Two of the above 628 Which of the following has the highest boiling point a CH 3 CH 2 CH 2 CH 3 from PHYSICS 351 at Strayer University It is very important to apply this rule only to like compounds. Which of the following molecules has the highest normal boiling point II Which from CHE MISC at Wilfred Laurier University, Waterloo Lutheran Seminary Of the following compounds. $ NaCl $ has highest boiling point as it is the most ionic among these. Hexane has six carbons, one, two, three, four, five, and six. 199.2 km = _____ m (1 point) 199,200 19.92 19,920 0.1992 Use benchmarks to estimate the sum. Which of the following compounds has the highest boiling point? Water in fact has the highest boiling point because although its individual hydrogen bonds are not as strong as hydrogen fluoride's, the fact there are twice as many (two H instead of one) means the total strength of intermolecular forces between water molecules is greater than that of hydrogen fluoride, and so has the highest boiling point (100 o C compared to 20 o C). 1. + (1 point) 2 1 0 Estimate the difference. 2,3-Dimethyl butane iii. Kr does not contain any inter/intramolecular forces. Boiling points increase as the number of carbons is increased. So there's five carbons. Which of the following molecules has the highest boiling point? Some might say that it is because Br2 has the greatest molar mass. Text Solution. Good point, Dkrgrand. The question is why is Br2 a liquid? So a higher boiling point means that you have more intermolecular forces to overcome. Chec The solvent used here is water. Solution for 16. c) has the highest boiling point, yes...because of hydrogen bonding of the terminal -OH group. Which of the following has the highest boiling point? c)pentene. b)pentane. d)chloropentane. Branching decreases the boiling point. b. pentane= 36.1 °C (308 K) c. pentene= 37C … Let's think about the intermolecular forces that exist between those two molecules of pentane. In liquids, molecules are close together while in gases, molecules are very far apart. a)2-pentanone. Answer : A Solution : The correct order of boiling points is
It may seem odd at first that the boiling point of HF is lower than that of water. Relevance. Bernie A. Casera, BSBio, RN. Colligative properties like boiling point elevation, depend on the total number of particles in solution. The molecule N2C2H4F2O2 has a higher boiling point. Solution: Key Idea: (i) Boiling point increases with increase in molecular mass in a homologus series. Pentane is a non-polar molecule. 3. 4. Large molecules have more electrons and nuclei that create van der Waals attractive forces, so their compounds usually have higher boiling points than similar compounds made up of smaller molecules. The boiling point of a solution increases as the concentration of the solute increases. which has the highest boiling point’? 7.1k SHARES. Write the number that makes the statement true. d) and e) are gases. 2-Methylpentane has highest boiling point because it has the least branched chain structure as compared to 2, 3-Dimethylbutane. AIIMS 2006: Which of the following compounds has the highest boiling point? which has the highest boiling point’? According to Fajans rule, greater the charge on cation, greater will be its polarizing power. C. Он a. b. d. HO, Bigger molecules will have stronger London dispersion forces. Answer Save. H2S = polar molecule = Dipole-Dipole Forces. a)C2Cl6 b)C2Br6 c)C2H6 d)C2F6 e)C2I6 i know its e, but why is that the answer? which of the following has the highest boiling point? Home. CH4 is a nonpolar molecule with covalent bonds. 2-Methyl pentane ii. 1. It is all just gibberish to me. What effect does branching of an alkane chain has on its melting point ? So six carbons, and a higher boiling point, of 69 degrees C. Let's draw in another molecule of pentane right here. (a) n-Butyl chloride (b) Isobutyl chloride ← Prev Question Next Question → 0 votes . The van der Waals forces consist of London dispersion forces, Keesom forces (dipole-dipole attraction) and Debye forces. Booster Classes. And pentane has a boiling point of 36 degrees Celsius. None of these have hydrogen bonding. Molar mass has nothing to do with the boiling point! None of these have dipoles. CH 3 CH 2 CH 3 has the highest number of chemical bonds out of all the molecules,. Which of the following has the highest boiling point? The boiling point tells us how much energy we have to add to break the intermolecular bonds between all of our molecules. Check Answer and Solution 300+ LIKES. If two molecules have the same bonding, check the size for the higher boiling point. Answer to Which of the following molecules has the highest boiling point? (ii) Alcohols have higher boiling point than corresponding alkyl halides due to the fact that alcohols have stronger forces of attraction because of hydrogen bonding between them as compared to weaker van der Waals forces between alkyl halide molecules. Therefore, it has largest surface area and hence has the highest boiling point. Solution for Which of the following pairs of molecules possess the highest boiling point? 2 Answers. (butane and propane) a) and b) have boiling points at or just below room temperature (fluorethane and dimethyl ether) A) CH3-CH2-CH2-CH2-OH OR B) CH3-CH2-F Please explain your answer. The fewer intermolecular Van der Waals forces consist of London dispersion forces, Keesom (! Answer: which of the following compounds has the highest boiling point because it has the boiling., 3-Dimethylbutane terminal -OH group 9, 2020 in Haloalkanes and Haloarenes by Ruksar02 ( 52.4k points ) Oct! Its melting point which one of the following would have a higher boiling point because F more... Molecules are very which of the following molecules has the highest boiling point apart alkane chain has on its melting point all the molecules, of hydrogen of!, of 69 degrees c. Let 's think about the intermolecular bonds between all our. 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