.png){kind=logo}
informative non-academics blog posts coming soon..
Courses section is Coming soon..
Colleges and Universities section is Coming soon..
Under Construction..
Home ❭ Questions ❭ One Liners ❭ a solution of definite pH made up in such a way that the pH alters only gradually with the addition of an acid or a base.
a solution of definite pH made up in such a way that the pH alters only gradually with the addition of an acid or a base.
Pharmaceutical Organic Chemistry Pharmacist Competitive Exams
Q. a solution of definite pH made up in such a way that the pH alters only gradually with the addition of an acid or a base.
Ans → buffer solution
Explanation →
This question is taken from the test/quiz post: one liner| organic| B.pharmacy| Pharmacy one liners |organic chemistry| B.pharmacy file-2 - attemp/practice
More oneliners in - one liner| organic| B.pharmacy| Pharmacy one liners |organic chemistry| B.pharmacy file-2
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. the energy required to break a particular bond by a homolytic process.
Ans → bond energy
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. a solution of definite pH made up in such a way that the pH alters only gradually with the addition of an acid or a base.
Ans → buffer solution
Explanation →
Q. the energy required to break a particular bond by a homolytic process.
Ans → bond energy
Explanation →
Q. a substance that, when added to a reaction mixture, changes (speeds up) the rate of attainment of equilibrum in the system without itself undergoing a permanent chemical change.
Ans → catalyst
Explanation →
Q. the method for producing gasoline from heavy petroleum distillates.
Ans → catalytic cracking
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. 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 phenomenon in which plane polarised light is turned in a clockwise direction.
Ans → dextrorotatory
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. stereoisomeric structures which are not enantiomers (mirror images) of one another.
Ans → diastereomers
Explanation →
Q. a term which may be applied to any asymmetric object or molecule. The property of non-identity of an object with its mirror image
Ans → chirality
Explanation →
Q. the angle between groups attached on adjacent carbon atoms when viewed in a Newman projection.
Ans → dihedral angle
Explanation →
More one-liners in - Pharmaceutical Organic Chemistry
Q. The term given to organic molecules which contain no multiple bonds.
Ans → saturated
Explanation →
Q. stereoisomeric structures which are not enantiomers (mirror images) of one another.
Ans → diastereomers
Explanation →
Q. the phenomenon in which plane polarised light is turned in a clockwise direction.
Ans → dextrorotatory
Explanation →
Q. Used as processing aid in tablet and capsule manufacturing, to facilitate the movement of the formulation into the dye and punch and to reduce the energy of compression.
Ans → lubricant
Explanation →
Q. The inorganic element found in the structure of majority of high-energy compounds
Ans → Phosphorus
Explanation →
Q. Naturally produced protein synthesis inhibitor of the lincosamide class that binds to the 50S subunit, inhibiting peptide bond formation
Ans → lincomycin
Explanation →
Q. Process that differentiates or separates solid particles according to their size using a meshed or perfo- rated device.
Ans → sieving
Explanation →
Q. Fourth stage of disease, during which the number of pathogens present in the host decreases, along with signs and symptoms of disease
Ans → period of decline
Explanation →
Q. A group that is used to protect a functional group from unwanted reactions. After application the protecting group can be removed to reveal the original functional group.
Ans → protecting group
Explanation →
Q. The interval of growth when cells divide exponentially; also known as the exponential growth phase
Ans → log phase
Explanation →
Q. The process of separating the lighter particles of a powder from the heavier ones by means of an up- ward-directed stream of fluid (gas or liquid).
Ans → elutriation
Explanation →
Q. Name the sialic acid, mostly found in the structure of glycoproteins and glycolipids
Ans → N- Acetylneuraminic acid
Explanation →
Q. The long chain fatty acids (C26—C35) are not oxidized due to the absence of peroxisomes. This disorder is known as
Ans → Zellweger syndrome
Explanation →
Q. Inflammation of the conjunctiva in newborns caused by Chlamydia trachomatis transmitted during childbirth is
Ans → inclusion conjunctivitis
Explanation →
Q. The member of the quinolone family that functions by inhibiting the activity of DNA gyrase, blocking DNA replication
Ans → nalidixic acid
Explanation →
Q. Cytokines largely produced by immune system cells that help coordinate efforts against invading pathogens
Ans → interleukins
Explanation →
Q. Solid preparation that on contact with water breaks apart by the effect of gas evolution, resulting commonly from the reaction of hydrogen carbonate with citric or tartaric acid, in order to facilitate dissolution or dispersion of the active ingredient before ingestion.
Ans → effervescent tablet
Explanation →
Q. Summary of operations carried out to convert a pharmacologically active compound into a dosage form suitable for administration.
Ans → formulation
Explanation →
Q. Region of the respiratory tract containing the vocal cords; also referred to as the voice box
Ans → larynx
Explanation →
Q. An interval before exponential growth of a microbial population during which cells adjust to a new environment
Ans → lag phase
Explanation →