Which of the following statements is not correct about cholesterol? a. it is an essential component...

Which of the following statements is not correct about cholesterol? a. it is an essential component of cell membranes b. it is the precursor of steroid hormones c. it is soluble in non-polar solvents d. it is soluble in polar solvents

Which intermolecular force exists between all molecules regardless of polarity?

Which of the following compounds exhibits primarily dipole-dipole intermolecular forces? a. CH3-O-CH3 b. CH3CH3 c. CO2 d. F2

Solutions

Expert Solution

Which of the following statements is not correct about cholesterol?

a. it is an essential component of cell membranes --> TRUE, helps in cell structure

b. it is the precursor of steroid hormones --> TRUE, it is used in plenty of hormones

c. it is soluble in non-polar solvents --> TRUE, since it is nonpolar as well

d. it is soluble in polar solvents --> FALSE, it is nonpolar, thereofre, will not mix in water or any other polar species

Which intermolecular force exists between all molecules regardless of polarity?

London dispersion forces, which are created due to poles/electron displacement, there are slightly dipolo formation (Van der Waal Forces)

Which of the following compounds exhibits primarily dipole-dipole intermolecular forces?

a. CH3-O-CH3 --< nonpolar,

b. CH3CH3 --> nonpolar chain

c. CO2 --> forms two poles which cancel each other

d. F2 --> forms no dipole...

There is none present

dipole dipole can be formed slightly in ether, but will be very weak

queen_honey_blossom answered 1 year ago

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