pharma-chem-organic One Liners with Explanations - Chapter-wise Practice Questions

Q. A bond where atoms share elections.

Ans → covalent bond

Explanation →

Q. The process by which proteins lose their 3-D (tertiary and secondary) structure by application of an external stress, most often heat.

Ans → Denatured

Explanation →

Q. An equimolar mixture of the two enantiomeric isomers of a compound.

Ans → racemic mixture

Explanation →

Q. The "3-D" arrangements of hydrocarbons.

Ans → Stereochemistry

Explanation →

Q. A substance that can make a chemical reaction faster but which is not actually needed to produce the reaction nor is used in the reaction.

Ans → catalyst

Explanation →

Q. A chemical formula where electrons are represented with dots. Covalent bonds are represented with a line connecting two atoms—the line represents two electrons.

Ans → Lewis Structure

Explanation →

Q. electron systems in which bonding electrons are not localised between two atoms as for a single bond but are spread (delocalized) over the whole group.

Ans → delocalization

Explanation →

Q. any of two or more hypothetical structures of resonance theory which can be written for a molecule simply by rearranging the valence electrons of the molecule.

Ans → canonical structures

Explanation →

Q. The current level of energy an electron has within an atom.

Ans → energy level

Explanation →

Q. A reaction between an acid and a base that results in salt and water.

Ans → neutralization reaction

Explanation →

Q. The types and totals of atoms which makeup a molecule.

Ans → constitution

Explanation →

Q. Used to describe the study of the flow of heat.

Ans → calorimetry

Explanation →

Q. When a liquid flows through a semi permeable membrane.

Ans → osmosis

Explanation →

Q. A chemical processes in which the proportion of more electronegative substituents is decreased, or the charge is made more negative, or the oxidation number is lowered.

Ans → reduction

Explanation →

Q. A chemical reaction where water is introduced in another substance usually to separate it.

Ans → hydrolysis

Explanation →

Q. A term applied to the combination of molecules of a substance with one another to form more complex systems.

Ans → association

Explanation →

Q. A a pair of isomers which are related as mirror images of one another.

Ans → enantiomers

Explanation →

Q. A bond formed when charge particles stick together.

Ans → ionic bond

Explanation →

Q. The specific term used to describe carbohydrate stereoisomers differing only in configuration at the hemi-acetal carbon atom.

Ans → anomers

Explanation →

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