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Home ❭ Questions ❭ One Liners ❭ 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.
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.
Pharmaceutical Organic Chemistry Pharmacist Competitive Exams
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 →
This question is taken from the test/quiz post: one liner| organic| B.pharmacy| Pharmacy one liners |organic chemistry| B.pharmacy file-1 - attemp/practice
More oneliners in - one liner| organic| B.pharmacy| Pharmacy one liners |organic chemistry| B.pharmacy file-1
Q. An agent able to produce positively charged hydrogen ions (H+). [Since the hydrogen ion is a bare proton, it usually exists in a solvated form (such as H3O+).]
Ans → acid
Explanation →
Q. The minimum energy which reacting species must possess in order to be able to form an 'activated complex', or 'transition state', before proceeding to the products.
Ans → activation energy
Explanation →
Q. Reactions in which an unsaturated system is saturated or part saturated by the addition of a molecule across the multiple bond.
Ans → addition reactions
Explanation →
Q. Organic substances occurring naturally, which are basic, forming salts with acids. The basic group is usually an amino function.
Ans → alkaloid
Explanation →
Q. The migration of a double bond in a 3-carbon system from carbon atoms one and two to carbon atoms two and three
Ans → allylic rearrangement
Explanation →
Q. The specific term used to describe carbohydrate stereoisomers differing only in configuration at the hemi-acetal carbon atom.
Ans → anomers
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. A term applied to the combination of molecules of a substance with one another to form more complex systems.
Ans → association
Explanation →
Q. A term applied an object or molecule that does not possess symmetry.
Ans → asymmetry
Explanation →
Q. A a term applied to the selective synthesis of one diastereomeric form of a compound resulting from the influence of an existing chiral centre adjacent to the developing asymmetric carbon atom.
Ans → asymmetric induction
Explanation →
Q. The energy levels of electrons in an atom which may be described in terms of the four quantum numbers.
Ans → atomic orbital
Explanation →
Q. The number of particles (atoms or molecules) in one mole of any pure substance.
Ans → Avogadro's constant
Explanation →
More one-liners in - Pharmaceutical Organic Chemistry
Q. Proinflammatory molecule released by basophils and mast cells in response to stimulation by other cytokines and chemical mediators
Ans → histamine
Explanation →
Q. Molecules that exist only during a chemical reaction; not before or after the reaction.
Ans → intermediate
Explanation →
Q. The enzyme defect in acute intermittent porphyria
Ans → Uroporphyrinogen synthase I
Explanation →
Q. reactions which proceed by means of a set of repeating cyclical steps, e.g. the free radical addition of hydrogen bromide to an alkene.
Ans → chain reaction
Explanation →
Q. Defined for powders used pharmaceutically, according to particle sizes.
Ans → powder grades
Explanation →
Q. Pace at which a drug along with the stomach content leaves and enters the duodenum.
Ans → gastric emptying rate
Explanation →
Q. An equimolar mixture of the two enantiomeric isomers of a compound.
Ans → racemic mixture
Explanation →
Q. The disease characterized by impairment in the absorption of neutral amino acids
Ans → Hartnup’s disease
Explanation →
Q. A common STI of the reproductive system caused by Neisseria gonorrhoeae
Ans → Gonorrheao
Explanation →
Q. A solution property that changes if the concentration of that solution changes.
Ans → colligative property
Explanation →
Q. The movement of chemicals (drugs) into, through, and out of biological organisms or their parts.
Ans → Biotranslocation
Explanation →
Q. Plasma albumin performs the following functions
Ans → Osmotic, Transport , Nutritive
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. 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. the process of improving the octane number of straight-run gasoline by increasing the proportion of aromatic and branched chain alkanes.
Ans → catalytic reforming
Explanation →
Q. The most commonly employed technique for separation of plasma proteins
Ans → Electrophoresis
Explanation →
Q. Substance that acts as adhesives to bind together powders for making tablets (direct tableting) or granules (granulation) that are mainly used in tableting.
Ans → binder
Explanation →
Q. a chemical reaction in which two species (e.g. molecules, ions or radicals) react together to form new chemical species.
Ans → bimolecular reaction
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. A known volumes are vacuum filtered aseptically through a membrane with a pore size small enough to trap microorganisms, which are counted after growth on plates
Ans → membrane filtration technique
Explanation →
Q. A ligand that binds to a receptor and alters the receptor state resulting in a biological response.
Ans → Agonist
Explanation →