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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. Name the enzyme associated with hyperuricemia
Ans → PRPP synthetase, HGPRT , Glucose 6-phosphatase
Explanation →
Q. When a substance, called a solvent, is added to a suspension to reduce the concentration.
Ans → dilution
Explanation →
Q. Electronegativity is a measure of the attraction an atom has for electrons.
Ans → Electronegativity
Explanation →
Q. The disorders characterized by decreased synthesis or total absence of globin chains of hemoglobin are collectively known as
Ans → Thalassemias
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. Name the formula that shows the number and kinds of atoms in a molecule.
Ans → Molecular Formula
Explanation →
Q. What is the name of the eye infection caused by herpes simplex virus
Ans → herpes keratitis
Explanation →
Q. Name the types of host cells that a particular virus is able to infect
Ans → host range
Explanation →
Q. Solid material that exists at least in two different molecular arrangements, i.e., distinctly different crystal species.
Ans → polymorph
Explanation →
Q. Helpful in some with depression. It may also be useful in the treatment of vitiligo. may exacerbate tardive dyskinesia in some schizophrenic patients and in some who have used neuroleptic drugs
Ans → Phenylalanine
Explanation →
Q. An aqueous solution used for the prevention and treatment of mouth and throat infections.
Ans → gargle
Explanation →
Q. Dosage form comprising several elements (e.g., microspheres or coated pellets) dif- fering in the rate of drug release.
Ans → multi compartment formulation
Explanation →
Q. Name an inflammatory response that involves both the brain and the membranes that surround it
Ans → meningoencephalitis
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. Growth on the skin associated with infection by any of the human papilloma viruses (HPV); commonly known as a wart
Ans → papilloma
Explanation →
Q. Name the prokaryotic cell cytoplasmic structures for storing specific nutrients and other resources needed by cells
Ans → inclusions
Explanation →
Q. Visible clumping of red blood cells that can be caused by some viruses, bacteria, and certain diseases in which antibodies
Ans → hemagglutination
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. The number of base pairs present in each turn (pitch) of B-form of DNA helix
Ans → 10
Explanation →
Q. The percentage of yield that occurred versus the theoretical yield.
Ans → percent yield
Explanation →
Q. The process wherein orbitals of similar energies are combined to form a set of equivalent ‘hybrid’ orbital.
Ans → hybridization
Explanation →
Q. The sideways projection of a carbon-carbon single bond and the attached substituents.
Ans → sawhorse projection
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. Scaffold placed into narrowed, diseased vessels (mainly coronary arteries) or a device implanted in a vessel used to help keep it open.
Ans → stent
Explanation →
Q. The high level of energy electrons can achieve as energy is added.
Ans → excited state
Explanation →