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Anna [14]
3 years ago
13

In aldehydes, the carbonyl carbon atom is bonded to a hydrogen atom, whereas in ketones the carbonyl carbon atom is bonded to an

other carbon atom.
Determine which of the following statements are true.

a. Ketones have lower boiling points than alcohols of similar size

b. Aldehydes with more than five carbon atoms are soluble in water, but not organic solvents.

c. Butanal has a higher boiling point than 2-butanol

d. Aldehydes contain a carbon-oxygen double bond.

e. Both aldehydes and ketones can hydrogen bond with water molecules.

f. Propanal is a gas at room temperature, whereas formaldehyde (methanal) is a liquid at room temperature.
Chemistry
1 answer:
Elenna [48]3 years ago
8 0

Answer:

A,D,E,F

Explanation:

A.Ketones generally have lower boiling points in relation to alcohols because of the intermolecular hydrogen bonds.

D.Aldehyde group is known for this C=O group in which Carbon has a double bond with Oxygen.

E. Aldehydes and Ketones can’t hydrogen bond with each other but they can hydrogen bond with water

F. Formaldehyde used in the laboratory for preservation is a liquid at room temperature while propanol which has more carbon is gaseous

B is wrong because as the Carbon increases the solubility in water decreases

C is wrong because 2-butanol has a bp of 100 degree celsius while butanal has a bp of around 74.

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Suppose 110.0 mL110.0 mL of hydrogen gas at STP combines with a stoichiometric amount of fluorine gas and the resulting hydrogen
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Suppose 110.0 mL of hydrogen gas at STP combines with a stoichiometric amount of fluorine gas and the resulting hydrogen fluoride dissolves in water to form 150.0 mL of an aqueous solution. 0.032 M is the concentration of the resulting hydrofluoric acid.

<h3>What is Balanced Chemical Equation ?</h3>

The balanced chemical equation is the equation in which the number of atoms on the reactant side is equal to the number of atoms on the product side in an equation.

Now write the balanced chemical equation

H₂ + F₂ → 2HF

<h3>What is Ideal Gas ?</h3>

An ideal gas is a gas that obey gas laws at all temperature and pressure conditions. It have velocity and mass but do not have volume. Ideal gas is also called perfect gas. Ideal gas is a hypothetical gas.

It is expressed as:

PV = nRT

where,

P = Pressure

V = Volume

n = number of moles

R = Ideal gas constant

T = temperature

Here,

P = 1 atm   [At STP]

V = 110 ml = 0.11 L

T = 273 K   [At STP]

R = 0.0821   [Ideal gas constant]

Now put the values in above expression

PV = nRT

1 atm × 0.11 L = n × 0.0821 L.atm/ K. mol × 273 K

n = \frac{1\ \text{atm} \times 0.11\ L}{0.0821\ \text{L. atm/ K. mol} \times 273\ K}

n = 0.0049 mol

<h3>How to find the concentration of resulting solution ? </h3>

To calculate the concentration of resulting solution use the expression

C = \frac{n}{V}

   = \frac{0.0049}{0.15}  

   = 0.032 M

Thus from the above conclusion we can say that Suppose 110.0 mL of hydrogen gas at STP combines with a stoichiometric amount of fluorine gas and the resulting hydrogen fluoride dissolves in water to form 150.0 mL of an aqueous solution. 0.032 M is the concentration of the resulting hydrofluoric acid.

Learn more about the Ideal Gas here: brainly.com/question/25290815
#SPJ4

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