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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
Pharmacy Pharmacist Competitive Exams
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 →
This question is taken from the test/quiz post: one liner| organic| B.pharmacy| Pharmacy liners |organic chemistry| B.pharmacy file-1 - attemp/practice
More oneliners in - one liner| organic| B.pharmacy| Pharmacy liners |organic chemistry| B.pharmacy file-1
Q. An instrument used to measure the amount of rotation of plane polarized light by a compound, generally prepared in a solution
Ans → polarimeter
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. An equimolar mixture of the two enantiomeric isomers of a compound.
Ans → racemic mixture
Explanation →
Q. A a term applied to an atom or molecule having one or more free valencies.
Ans → radical
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 separation of a racemate into its two enantiomers by means of some chiral agency.
Ans → resolution
Explanation →
Q. The representation of a compound by two or more canonical structures in which the valence electrons are rearranged to give structures of similar probability.
Ans → resonance
Explanation →
Q. A process in which the forward reaction can reach an equilibrium with the reverse reaction.
Ans → reversible process
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 term given to organic molecules which contain no multiple bonds.
Ans → saturated
Explanation →
Q. The sideways projection of a carbon-carbon single bond and the attached substituents.
Ans → sawhorse projection
Explanation →
Q. An instrument that measures the degree of absorption (or emission) of electromagnetic radiation by a substance.
Ans → spectrophotometer
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. An instrument used to measure the amount of rotation of plane polarized light by a compound, generally prepared in a solution
Ans → polarimeter
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. An equimolar mixture of the two enantiomeric isomers of a compound.
Ans → racemic mixture
Explanation →
Q. A a term applied to an atom or molecule having one or more free valencies.
Ans → radical
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 separation of a racemate into its two enantiomers by means of some chiral agency.
Ans → resolution
Explanation →
Q. The representation of a compound by two or more canonical structures in which the valence electrons are rearranged to give structures of similar probability.
Ans → resonance
Explanation →
Q. A process in which the forward reaction can reach an equilibrium with the reverse reaction.
Ans → reversible process
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 term given to organic molecules which contain no multiple bonds.
Ans → saturated
Explanation →
Q. The sideways projection of a carbon-carbon single bond and the attached substituents.
Ans → sawhorse projection
Explanation →
Q. An instrument that measures the degree of absorption (or emission) of electromagnetic radiation by a substance.
Ans → spectrophotometer
Explanation →
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Q. The element involved in the protection of cells against the damage of H2O2 and other free radicals
Ans → Selenium
Explanation →
Q. Galactosemia is mostly due to the deficiency of the enzyme
Ans → Galactose 1-phosphate uridyltransferase
Explanation →
Q. Process that occurs when the vapor pressure of the saturated aqueous solution of a substance is less than the vapor pressure of water in the ambient air.
Ans → deliquescence
Explanation →
Q. The copper containing protein involved for the conversion of ferrous iron (Fe2+) to ferric iron (Fe3+) in the plasma
Ans → Ceruloplasmin
Explanation →
Q. Chemical alteration of an agent (drug) that occurs by virtue of the sojourn of the agent in a biological system.
Ans → Biotransformation
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. A compound possessing hydrophobic and hydrophilic groups in its structure is known as
Ans → Ampipathic
Explanation →
Q. An instrument used to measure the amount of rotation of plane polarized light by a compound, generally prepared in a solution
Ans → polarimeter
Explanation →
Q. A functional group consisting of an internal carbonyl group (C=O) bonded to two other carbon atoms
Ans → Ketones
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. Muscle glycogen does not directly contribute to blood glucose due to absence of the enyme
Ans → Absence of glucose 6-phosphatase
Explanation →
Q. Use of products containing genetic material (e.g., pDNA, antisense DNA, si RNA) to treat a disease or condition, or to modify or manipulate the expression of genetic material or to alter the biological properties of living cells.
Ans → gene therapy
Explanation →
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 percentage of yield that occurred versus the theoretical yield.
Ans → percent yield
Explanation →
Q. Which is the simplest form of glycolipids which occur in the membranes of nervous tissue.
Ans → Cerebrosides
Explanation →
Q. A negative sign of free energy indicates that the reaction is
Ans → Exergonic or spontaneous
Explanation →
Q. The distortion of a light wave due to interaction with another wave
Ans → interference
Explanation →
Q. Name the stage of transcription during which RNA polymerase binds to a promoter and transcription begins
Ans → initiation of transcription
Explanation →
Q. Bonds forms between the hydroxyl groups of two sugar molecules
Ans → glycosidic bond
Explanation →
Q. Cytokines released by cells that have been infected with a virus; stimulate antiviral responses in nearby cells as well as the cells secreting the interferons
Ans → interferons
Explanation →
Q. Acetyl CoA from the mitochondria is transported into the cytosol after its conversion to
Ans → Citrate
Explanation →
Q. A a pair of isomers which are related as mirror images of one another.
Ans → enantiomers
Explanation →
Q. A process in which the forward reaction can reach an equilibrium with the reverse reaction.
Ans → reversible process
Explanation →