Why do you think polar and nonpolar molecules do not mix?

Description : The importance of phospholipids as constituent of cell membrane is because they possess (A) Fatty acids (B) Both polar and nonpolar groups (C) Glycerol (D) Phosphoric acid

Last Answer : Answer : B

Ethylene is a molecule. (1) polar (2) ionic (3) covalent (4) nonpolar

Description : Ethylene is a molecule. (1) polar (2) ionic (3) covalent (4) nonpolar

Last Answer : (4) nonpolar Explanation: Ethylene (C2H4) is a nonpolar molecule. This is because, unlike a polar molecule, it has an even distribution of electrical charges. Since, the double bond is between two carbon ... in between those to carbon atoms. As a result, ethylene is a non-polar and linear molecule.

Which of the following best describes the carbon-chlorine bond of an alkyl chloride? (a) nonpolar; no dipole (b) polar; δ+ at carbon and δ– at chlorine (c) polar; δ– at carbon and δ+ at chlorine (d) ionic

Description : Which of the following best describes the carbon-chlorine bond of an alkyl chloride? (a) nonpolar; no dipole (b) polar; δ+ at carbon and δ– at chlorine (c) polar; δ– at carbon and δ+ at chlorine (d) ionic

Last Answer : polar; δ+ at carbon and δ– at chlorine

If two atoms exert equal attractions for electrons, they can form: w) a nonpolar covalent bond x) an ionic bond y) a polar covalent bond z) no bond

Description : If two atoms exert equal attractions for electrons, they can form: w) a nonpolar covalent bond x) an ionic bond y) a polar covalent bond z) no bond

Last Answer : ANSWER: W -- A NONPOLAR COVALENT BOND

The bond most likely to be formed when two atoms differ SOMEWHAT in their tendency to attract electrons is: w) nonpolar ionic x) polar ionic y) polar covalent z) nonpolar covalent

Description : The bond most likely to be formed when two atoms differ SOMEWHAT in their tendency to attract electrons is: w) nonpolar ionic x) polar ionic y) polar covalent z) nonpolar covalent

Last Answer : ANSWER: Y -- POLAR COVALENT

A bond in which there is an unequal attraction for the shared electrons and a resultant unbalanced distribution of charge is which one of the following types of bonds? w) ionic x) pure covalent y) nonpolar covalent z) polar covalent

Description : A bond in which there is an unequal attraction for the shared electrons and a resultant unbalanced distribution of charge is which one of the following types of bonds? w) ionic x) pure covalent y) nonpolar covalent z) polar covalent

Last Answer : ANSWER: Z -- POLAR COVALENT

Which of the following liquid types would have th highest viscosity? w) low molecular mass-polar liquid x) high molecular mass-polar liquid y) low molecular mass-nonpolar liquid d high molecular mass-nonpolar liquid

Description : Which of the following liquid types would have th highest viscosity? w) low molecular mass-polar liquid x) high molecular mass-polar liquid y) low molecular mass-nonpolar liquid d high molecular mass-nonpolar liquid

Last Answer : ANSWER: X -- HIGH MOLECULAR MASS-POLAR LIQUID

The bond in Fluorine is which of the following types? Is it w) ionic x) nonpolar covalent y) polar covalent z) covalent network

Description : The bond in Fluorine is which of the following types? Is it w) ionic x) nonpolar covalent y) polar covalent z) covalent network

Last Answer : ANSWER: X -- NONPOLAR COVALENT

The bond in hydrogen chloride is which of the following types? Is it w) ionic x) nonpolar covalent y) polar covalent z) covalent network

Description : The bond in hydrogen chloride is which of the following types? Is it w) ionic x) nonpolar covalent y) polar covalent z) covalent network

Last Answer : ANSWER: Y -- POLAR COVALENT

Ethylene is a ______ molecule. (1) polar (2) ionic (3) covalent (4) nonpolar

Description : Ethylene is a ______ molecule. (1) polar (2) ionic (3) covalent (4) nonpolar

Last Answer : nonpolar

At neutral pH, a mixture of amino acids in solution would be predominantly: (A) Dipolar ions (B) Nonpolar molecules (C) Positive and monovalent (D) Hydrophobic

Description : At neutral pH, a mixture of amino acids in solution would be predominantly: (A) Dipolar ions (B) Nonpolar molecules (C) Positive and monovalent (D) Hydrophobic

Last Answer : Answer : A

At neutral pH, a mixture of amino acids in solution would be predominantly: (A) Dipolar ions (B) Nonpolar molecules (C) Positive and monovalent (D) Hydrophobic

Description : At neutral pH, a mixture of amino acids in solution would be predominantly: (A) Dipolar ions (B) Nonpolar molecules (C) Positive and monovalent (D) Hydrophobic

Last Answer : (A) Dipolar ions

Which of the following molecules contains a polar covalent bond A.H2 B.N2 C.CO D.O2?

Description : Which of the following molecules contains a polar covalent bond A.H2 B.N2 C.CO D.O2?

Last Answer : C. CO

Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller than sulphur.

Description : Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller than sulphur.

Last Answer : Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller ... is False. D. If both Assertion & Reason are false

Do water molecules dissolve most polar solutes?

Description : Do water molecules dissolve most polar solutes?

Last Answer : Yes, this is a quasi-general rule.

What most significant force that attracts polar molecules to each other?

Description : What most significant force that attracts polar molecules to each other?

Last Answer : Feel Free to Answer

Do polar compounds have stronger or weaker attractions between molecules?

Description : Do polar compounds have stronger or weaker attractions between molecules?

Last Answer : Polar compounds have stronger attractions between molecules.

What the polar head of a phospholipid is made of molecules?

Description : What the polar head of a phospholipid is made of molecules?

Last Answer : Phosphate molecules.

Do polar compounds have stronger or weaker attractions between molecules?

Description : Do polar compounds have stronger or weaker attractions between molecules?

Last Answer : Polar compounds have stronger attractions between molecules.

Bile, an emulsifier liquid, is made by the liver and later stored within the gallbladder and released in the duodenum. Bile is composed of bile salts, cholesterol and bile pigments. Bile salts are detergents, amphiphilic molecules, i.e., molecules with a polar water-soluble portion and a non-polar fat-soluble portion. This feature allows bile salts to enclose fats inside water-soluble micelles in a process called emulsification for them to be in contact with intestinal lipases, enzymes that break fats into simpler fatty acids and glycerol. Digestion System - Image Diversity: gallbladder

Description : Bile, an emulsifier liquid, is made by the liver and later stored within the gallbladder and released in the duodenum. Bile is composed of bile salts, cholesterol and bile pigments. ... enzymes that break fats into simpler fatty acids and glycerol. Digestion System - Image Diversity: gallbladder

Last Answer : What is the adnexal organ of the digestive system in which bile is stored?

What would happen if dipole develops momentarily in atoms and non polar molecules which are electrically symmetrical?

Description : What would happen if dipole develops momentarily in atoms and non polar molecules which are electrically symmetrical?

Last Answer : Ans. London forces or dispersion forces are developed.

Pick out the wrong statement. Raoult's law does not apply, when the (A) Size of component molecules are not equal (B) Attractive forces between like and unlike molecules in the solution are approximately equal (C) Component molecules are non-polar (D) Chemical combination or molecular association between unlike molecules takes place in the formation of solution

Description : Pick out the wrong statement. Raoult's law does not apply, when the (A) Size of component molecules are not equal (B) Attractive forces between like and unlike molecules ... D) Chemical combination or molecular association between unlike molecules takes place in the formation of solution

Last Answer : (C) Component molecules are non-polar

Which action best accounts for the solubility of aldehydes and ketones in water? (a) Polar interactions between solute molecules. (b) H-bonding between solute molecules. (c) Van der waals forces (d) H-bonding between solute and solvent molecules

Description : Which action best accounts for the solubility of aldehydes and ketones in water? (a) Polar interactions between solute molecules. (b) H-bonding between solute molecules. (c) Van der waals forces (d) H-bonding between solute and solvent molecules

Last Answer : H-bonding between solute and solvent molecules

What property of low-molecular weight aldehydes and ketones accounts for the magnitude of their boiling points? (a) The ability to form strong H-bonds between their molecules. (b) The ability of the carbonyl oxygen to form H-bonds with other carbonyl groups. (c) The ability of the polar carbonyl group to attract other polar molecules. (d) The ability of the carbonyl group to attract electrophiles and form bonds.

Description : What property of low-molecular weight aldehydes and ketones accounts for the magnitude of their boiling points? (a) The ability to form strong H-bonds between their molecules. (b) The ability of ... other polar molecules. (d) The ability of the carbonyl group to attract electrophiles and form bonds.

Last Answer : The ability of the polar carbonyl group to attract other polar molecules.

The bond is a weak bond that can exist between poles of adjacent molecules. a. hydrogen b. ionic c. polar covalent d. non polar covalent

Description : The bond is a weak bond that can exist between poles of adjacent molecules. a. hydrogen b. ionic c. polar covalent d. non polar covalent

Last Answer : d. non polar covalent

Pick out the wrong statement. (A) Molecules with symmetrical arrangements (e.g. CH4 or CCl4) are non polar (B) Generally, non-polar compounds are chemically inactive, conduct electricity poorly and do not ionise (C) Most of the hydrocarbons are non-polar (D) None of these

Description : Pick out the wrong statement. (A) Molecules with symmetrical arrangements (e.g. CH4 or CCl4) are non polar (B) Generally, non-polar compounds are chemically inactive, conduct electricity poorly and do not ionise (C) Most of the hydrocarbons are non-polar (D) None of these

Last Answer : (D) None of these

Which of the following terms denotes the polar molecules or negative ions clustered about a central positive ion? w) ligands x) isomers y) complex ions z) dipoles

Description : Which of the following terms denotes the polar molecules or negative ions clustered about a central positive ion? w) ligands x) isomers y) complex ions z) dipoles

Last Answer : ANSWER: W -- LIGAND

Which of the following molecules is polar? w) Iodine x) Carbon Dioxide y) Carbon Monoxide z) Chlorine

Description : Which of the following molecules is polar? w) Iodine x) Carbon Dioxide y) Carbon Monoxide z) Chlorine

Last Answer : ANSWER: Y -- CARBON MONOXIDE

What is a nonpolar molecule?

Description : What is a nonpolar molecule?

Last Answer : A nonpolar molecule is a molecule in which the electrons are shared equally between the atoms, resulting in no partial charges and a symmetrical shape.

Is A nonpolar bond is formed when two atoms share electrons unequally?

Description : Is A nonpolar bond is formed when two atoms share electrons unequally?

Last Answer : No. A polar bond is formed when electrons are sharedunevenly.A nonpolar bond indicates even sharing of electrons.

How can you determine if an unknown substance is an ionic compound or a nonpolar covalent compound?

Description : How can you determine if an unknown substance is an ionic compound or a nonpolar covalent compound?

Last Answer : Ionic compound: the difference between the electronegativities of the elements is higher than 2.Nonpolar covalent compound: the difference between the electronegativities of the elements isnear zero.

If the difference in electronegativity values between two atoms is less than 0.4 nonpolar covalent bonds generally form?

Description : If the difference in electronegativity values between two atoms is less than 0.4 nonpolar covalent bonds generally form?

Last Answer : True apex:)

Which formula represents a nonpolar molecule?

Description : Which formula represents a nonpolar molecule?

Last Answer : H-H

The amino acid with a nonpolar side chain is (A) Serine (B) Valine (C) Asparagine (D) Threonine

Description : The amino acid with a nonpolar side chain is (A) Serine (B) Valine (C) Asparagine (D) Threonine

Last Answer : Answer : B

How would you remove nonpolar impurities from an amine ?

Description : How would you remove nonpolar impurities from an amine ?

Last Answer : Ans.--- Adding HCl , amine will form salt whereas nonpolar impurities will not react . Amines can be regenerated by adding NaOH .

A wax is(a) a nonpolar solid (b) a long-chain alcohol (c) a triacylglycerol (d) none of these

Description : A wax is (a) a nonpolar solid (b) a long-chain alcohol (c) a triacylglycerol (d) none of these

Last Answer : (a) a nonpolar solid

Which of the following improperly describes the physical properties of an alkyne? (a) relatively nonpolar (b) nearly insoluble in water (c) less dense than water (d) insoluble in most organic solvents

Description : Which of the following improperly describes the physical properties of an alkyne? (a) relatively nonpolar (b) nearly insoluble in water (c) less dense than water (d) insoluble in most organic solvents

Last Answer : insoluble in most organic solvents

Which of the following are correct statements concerning unsaturated hydrocarbons? (a) All unsaturated hydrocarbons are insoluble in water. (b) All unsaturated hydrocarbons are soluble in nonpolar solvents. (c) All unsaturated hydrocarbons are more dense than water. (d) (a) & (c)

Description : Which of the following are correct statements concerning unsaturated hydrocarbons? (a) All unsaturated hydrocarbons are insoluble in water. (b) All unsaturated hydrocarbons are soluble in nonpolar solvents. (c) All unsaturated hydrocarbons are more dense than water. (d) (a) & (c)

Last Answer : (a) & (c)

Which of the following is a nonpolar molecule? (a) HCl (b) CH3Cl (c) H2 (d) NH3

Description : Which of the following is a nonpolar molecule? (a) HCl (b) CH3Cl (c) H2 (d) NH3

Last Answer : H2

How do the lipids differ from the other organic compounds? a. They are the largest organic compounds. b. They are nonpolar compounds. c. They have no biological role. d. They are not used for energy storage.

Description : How do the lipids differ from the other organic compounds? a. They are the largest organic compounds. b. They are nonpolar compounds. c. They have no biological role. d. They are not used for energy storage.

Last Answer : b. They are nonpolar compounds.

Alkalinization of urine hastens the excretion of: A. Weakly basic drugs B. Weakly acidic drugs C. Strong electrolytes D. Nonpolar drugs

Description : Alkalinization of urine hastens the excretion of: A. Weakly basic drugs B. Weakly acidic drugs C. Strong electrolytes D. Nonpolar drugs

Last Answer : A. Weakly basic drugs

Alkalinization of urine hastens the excretion of: A. Weakly basic drugs B. Weakly acidic drugs C. Strong electrolytes D. Nonpolar drugs

Description : Alkalinization of urine hastens the excretion of: A. Weakly basic drugs B. Weakly acidic drugs C. Strong electrolytes D. Nonpolar drugs

Last Answer : B. Weakly acidic drugs

A nonpolar molecule is usually: w) hydrophilic x) soluble in water y) hydrophytic z) soluble in organic solvents

Description : A nonpolar molecule is usually: w) hydrophilic x) soluble in water y) hydrophytic z) soluble in organic solvents

Last Answer : ANSWER: Z -- SOLUBLE IN ORGANIC SOLVENTS

Why do you think polar and nonpolar molecules do not mix?

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