Which of the following is the simplest aldehyde (formaldehyde)?
a. CH3COH
b. CH3CH2CHO
c. CH3COCH3
d.H2CO
Which of the following is the simplest aldehyde (formaldehyde)? a. CH3COH b. CH3CH2CHO c. CH3COCH3 d.H2CO
a) Formaldehyde (CH2=O) is the simplest aldehyde and is miscible in ethanol. i) Would the following intermolecular interactions be present or absent for an ethanol-formaldehyde mixture: hydrogen bonding, London dispersion, ion-ion, and dipole-induced dipole. [8 marks] ii) 66 g of formaldehyde is dissolved in 800 g of ethanol. Given that the density of ethanol 789 g L-1, calculate the molarity, molality, and mole fraction for this solution. [20 marks] iii) Ethanol has a freezing point depression coefficient Kfp = -1.99...
47. Which one of the following represents the formula for and aldehyde? a. CH3CHO b. CH30CH2CH3 C. CH3COCH3 d. CH3COOH e. HC=CH.
ELH3CH2CH2CH3 9) Which of the following is a use of formaldehyde? A) flavoring B) hormone C) preservative D) sweetener E) solvent
10 paye Page view 5. Which of the following compounds is a ketone? a. CH3CH2COOH b. CH3CH2CHO C. CH3CH2CH2OH d. CH3COCH3 6. What is the name of the linear hydrocarbon with the molecular formula C7H16? a. hexane b. heptane C. decane d. undecane 7. What is the IUPAC name of the following compound? a. 2-ethyl-4-methylpentane b. 2,4-dimethylhexane C. 3,5-dimethylhexane d. 1,1,3-trimethylpentane
7) Which compound has the lowest boiling point? A) CH3CHO B) CH3CH2CHO C) CH3CH2OH D) CH3CH2CH2OH E) CH3COCHZ
8) Which compound has the lowest boiling point? A) CH3CH2OH B) CH3CH2CHO C) CH3CH2CH3 D) CH3CH2CH2OH E) CH3CH2CH2CH3
QUESTION 22 The simplest aldehyde and ketone each contain how many carbon atoms, respectively? a. two and two b. one and one c. two and three O d. one and three QUESTION 23 Use the following to answer the questions below: For each set of reactants, select a correct product characterization from the response list. Responses may be used more than once or need not be used at all. a) hemiacetal b) acetal c) alkene d) alcohol Aldehyde, hydrogen, Ni...
Which of the following pairs of compounds may be distinguished by chemical test using the reagents indicated? CH3CH2CHO and CH3COCH3: Brady's reagent CH3COOCH3 and O HCOOCH2CH3: Reagent- Jones reagent HCOOH and CH3COOH: Reagent-NaHCO3 CH3CH2CHO and O CH3CH2COOH: Reagent- Ammonia CH3COCH2CH3 and OCH3COOCH2CH3: Reagent- Tollen's reagent
Predict the product of the following reaction. Naoci Новини CH3COH 0°C
b) CH3COH H2SO4 (cat.) CH3OH H2SO4 (cat.) H2, Pd/C (no mechanism required)