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The tendency for atoms in a molecule to attract electrons
Pharmaceutical Organic Chemistry Pharmacist Competitive Exams
Q. The tendency for atoms in a molecule to attract electrons
Ans → electronegativity
Explanation →
This question is taken from the test/quiz post: one liner| organic| B.pharmacy| Pharmacy one liners |organic chemistry| B.pharmacy file-3 - attemp/practice
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Q. A process in which a compound of one oxidation state changes to compounds two or more oxidation states
Ans → disproportionation
Explanation →
Q. The process whereby a molecule is split into simpler fragments which may be smaller molecules, atoms, free radicals or ions.
Ans → dissociation
Explanation →
Q. Some atoms can share two pairs of electrons to form a double bond (two covalent bonds).
Ans → double bond
Explanation →
Q. Intensely coloured compounds applied to a substrate. Colours are due to the absorption of light to give electronic transitions.
Ans → dyestuffs
Explanation →
Q. A conformation in which substituents on two attached saturated carbon atoms overlap when viewed as a Newman projection.
Ans → eclipsed
Explanation →
Q. The particular order in which electrons are arranged in an atom or molecule.
Ans → electronic configuration
Explanation →
Q. If an electron passes from one orbital to another an electronic transition occurs and there is the emission or absorption of energy corresponding to the difference in energy of the two orbitals known as
Ans → electronic transition
Explanation →
Q. An overall reaction in which an electrophile binds to a substrate with the expulsion of another electrophile is known as
Ans → electrophilic substitution
Explanation →
Q. A a substance which cannot be further subdivided by chemical methods.
Ans → element
Explanation →
Q. A a pair of isomers which are related as mirror images of one another.
Ans → enantiomers
Explanation →
Q. A graph of the energy of a reaction against the progress of the reaction.
Ans → energy diagram
Explanation →
Q. A thermodynamic quantity which is a measure of the degree of disorder within any system.
Ans → entropy
Explanation →
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Q. Condition of being aseptic, or statistically free from living microorganisms and their spores.
Ans → sterility
Explanation →
Q. This refers to a cytokine signal released from a cell to a receptor on a nearby cell
Ans → paracrine function
Explanation →
Q. Which are the essential fatty acids that need to be supplied in the diet.
Ans → PUFA
Explanation →
Q. The process whereby a molecule is split into simpler fragments which may be smaller molecules, atoms, free radicals or ions.
Ans → dissociation
Explanation →
Q. A a pair of isomers which are related as mirror images of one another.
Ans → enantiomers
Explanation →
Q. Reversal of coagulation or flocculation, i.e., the dispersion of aggregates to form a stable colloidal suspension or emulsion.
Ans → deflocculation
Explanation →
Q. The interval of growth when cells divide exponentially; also known as the exponential growth phase
Ans → log phase
Explanation →
Q. The stage of transcription during which RNA polymerase binds to a promoter and transcription begins
Ans → initiation of transcription
Explanation →
Q. The distortion of a light wave due to interaction with another wave
Ans → interference
Explanation →
Q. Lipid-based chemical mediators produced by leukocytes and other tissue cells; promote inflammation and allergic responses
Ans → leukotrienes
Explanation →
Q. Technological process consisting of the application of a substance, which forms a layer e.g, to protect the drug
Ans → coating
Explanation →
Q. The enzyme defect in acute intermittent porphyria
Ans → Uroporphyrinogen synthase I
Explanation →
Q. A formal non-ambiguous, nomenclature system for the assignment of absolute configuration of structure to chiral atoms, using the Cahn, Ingold and Prelog priority rules.
Ans → R,S convention
Explanation →
Q. The intermediate of citric acid cycle that is involved in heme synthesis
Ans → Succinyl CoA
Explanation →
Q. Release of a drug from a dosage form that it is not immediate
Ans → modified release
Explanation →
Q. The science of studying a collection of mRNA molecules produced from microbial communities
Ans → metatranscriptomics
Explanation →
Q. A formal non-ambiguous, nomenclature system for the assignment of absolute configuration of structure to chiral atoms, using the Cahn, Ingold and Prelog priority rules.
Ans → R,S convention
Explanation →
Q. A condition in which a disease caused by or acquired during a medical procedure
Ans → iatrogenic disease
Explanation →
Q. When a complex is formed between a metal ion and an a ligand in solution, the equilibrium may be expressed by a constant which is related to the free energy change for the process
Ans → stability constant
Explanation →
Q. Small edible package made usually from gelatin or other materials that can be filled with drugs (solids or liquids) to produce a unit dose, mainly for oral use.
Ans → capsule
Explanation →
Q. The enzyme that is regulated by feedback inhibition in heme synthesis is
Ans → δ -Aminolevulinate synthase
Explanation →
Q. An aromatic molecule or ion possesses aromaticity. Aromaticity is the special property of planar (or nearly planar) cyclic, conjugated systems having (4n+2) conjugated pi electrons.
Ans → aromatic
Explanation →
Q. Name the retrovirus responsible for acquired immune deficiency syndrome (AIDS) in humans
Ans → human immunodeficiency virus (HIV)
Explanation →
Q. The process wherein orbitals of similar energies are combined to form a set of equivalent ‘hybrid’ orbital.
Ans → hybridization
Explanation →