Concept explainers
(a)
Interpretation:
The boiling point of the second compound is to be estimated on the basis of first compound.
Concept introduction:
The boiling point of a compound is the temperature when the vapor pressure is equal to the atmospheric pressure. It is a useful property of a compound to determine the purity of the compounds. The boiling point of
(b)
Interpretation:
The boiling point of the second compound is to be estimated based on the first compound.
Concept introduction:
The boiling point of a compound is the temperature when the vapor pressure is equal to the atmospheric pressure. It is a useful property of a compound to determine the purity of the compounds. The boiling point of alkanes increases with increase in the number of carbon atoms. The increase in the boiling point per carbon atom is approximately
(c)
Interpretation:
The boiling point of the second compound is to be estimated based on the first compound.
Concept introduction:
The boiling point of a compound is the temperature when the vapor pressure is equal to the atmospheric pressure. It is a useful property of a compound to determine the purity of the compounds. The boiling point of alkanes increases with increase in the number of carbon atoms. The increase in the boiling point per carbon atom is approximately
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Organic Chemistry
- 4 But-2-enal, CH₂CH=CHCHO, is a pale yellow, flammable liquid with an irritating odour. (a) But-2-enal exists as two stereoisomers. Draw skeletal formulae to show the structure of the two stereoisomers of but-2-enal. (b) (i) Describe a simple chemical test that would show that but-2-enal is an aldehyde. (ii) Explain why this test gives a different result with aldehydes than it does with keton (c) But-2-enal also reacts with sodium borohydride, NaBH4. (i) Identify the organic compound formed in this reaction. (ii) State the type of chemical reaction occurring. (d) Precautions must be taken to prevent but-2-enal catching fire. Construct a balanced equation for the complete combustion of but-2-enal, C₂HO.arrow_forwardexplain why methanethiol, CH3SH, has a lower boiling point (6°C) than methanol, CH3OH (65°C), even though methanethiol has a higher molecular weightarrow_forwardGive a systematic (IUPAC) name for each diol.(a) CH3CH(OH)(CH2)4CH(OH)C(CH3)3arrow_forward
- Write the reagent or draw structures of the starting material or organic product(s) in the following reactions. If more than one product is formed, identify the major product where possible. (a) (b) HO OH OH H2SO4 ? Cl₂ ? FeCl3arrow_forward(b) NABH, CH3 COCH,CH3 CH3CH2OH (c)arrow_forwardDraw the products formed when propan-2-ol [(CH3)2CHOH], the main ingredient in rubbing alcohol, is treated with each acid or base: (a) NaH (b) H2SO4 (c) Li+−N[CH(CH3)2]2 (d) CH3CO2H.arrow_forward
- Methyl isocyanate, CH3 -N= C = O, is used in the industrial synthesis of a type of pesticide and herbicide known as a carbamate. As a historical note, an industrial accident in Bhopal, India, in 1984 resulted in leakage of an unknown quantity of this chemical into the air. An estimated 200,000 people were exposed to its vapors, and over 2000 of these people died. Q.) Methyl isocyanate reacts with strong acids, such as sulfuric acid, to form a cation. Will this molecule undergo protonation more readily on its oxygen or nitrogen atom? In considering contributing structures to each hybrid, do not consider structures in which more than one atom has an incomplete octetarrow_forwardWhich has a higher boiling point? Explain using london dispersion forces, dipole dipole, or hydrogen bonding. (a) CH3CH3 or CH3CH2OH (b) CH3CH2CH2CH2CH2CH2CH3 or (CH3)3C-CH(CH3)2arrow_forwardName and draw structural formulas for the eight constitutional isomeric alcohols with molecular formula C5H12O. Classify each alcohol as primary, secondary, or tertiary. Which are chiral?arrow_forward
- Predict which member of each group is most soluble in water, and explain the reasons for your predictions.(a) butan-1-ol, pentan-1-ol, or propan-2-ol(b) chlorocyclohexane, cyclohexanol, or cyclohexane-1,2-diol(c) phenol, cyclohexanol, or 4-methylcyclohexanolarrow_forwardIn an advanced synthetic chemistry experiment, a researcher prepares a compound, ZY-7, by reacting a ketone (C5H100) with hydroxylamine (NH2OH), followed by heating in the presence of an acid catalyst. The resulting compound, ZY-7, is then treated with a solution of sodium nitrite (NaNO2) and hydrochloric acid (HCI) at low temperature. Identify the class of compound that ZY-7 most likely belongs to after this series of reactions." A) Amide B) Oxime C) Nitro compound D) Diazonium salt E) Ester Don't use chatgpt please provide valuable answerarrow_forwardFor each molecular formula, draw all the possible constitutional isomers of alcohols withthat formula. Give the IUPAC name for each alcohol.(a) C3H8O (b) C4H10O (c) C3H6O (d) C3H4Oarrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning