.png){kind=logo}
An instrument that measures the degree of absorption (or emission) of electromagnetic radiation by a substance.
Pharmacy Pharmacist Competitive Exams
Q. An instrument that measures the degree of absorption (or emission) of electromagnetic radiation by a substance.
Ans → spectrophotometer
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 →
More one-liners in - Pharmacy
Q. A chemical formula where electrons are represented with dots. Covalent bonds are represented with a line connecting two atoms—the line represents two electrons.
Ans → Lewis Structure
Explanation →
Q. Name the compound that is increased in RBC of anemic patients to facilitate the supply of O2 to the tissues
Ans → 2,3-Bisphosphoglycerate
Explanation →
Q. Condition of being aseptic, or statistically free from living microorganisms and their spores.
Ans → sterility
Explanation →
Q. A a substance which cannot be further subdivided by chemical methods.
Ans → element
Explanation →
Q. The number of individuals with new infections of a particular disease in a given period of time is called
Ans → incidence
Explanation →
Q. the energy required to break a particular bond by a homolytic process.
Ans → bond energy
Explanation →
Q. A common STI of the reproductive system caused by Neisseria gonorrhoeae
Ans → Gonorrheao
Explanation →
Q. The percentage of yield that occurred versus the theoretical yield.
Ans → percent yield
Explanation →
Q. The inorganic element found in the structure of majority of high-energy compounds
Ans → Phosphorus
Explanation →
Q. The amount of change in measured output per unit change in input.
Ans → Amplification
Explanation →
Q. A ring structure formed from complement proteins C6 through C9 that penetrates the membranes of a targeted cell, causing cell lysis and death
Ans → membrane attack complex (MAC)
Explanation →
Q. DNA-binding proteins found in eukaryotes and archaea that aid in orderly packaging of chromosomal DNA
Ans → histones
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 ability of electrons to "shuffle," or alternate, between bonds, making the molecule extremely stable. The best example of this is benzene.
Ans → Resonance
Explanation →
Q. Name a substance that loses water to form a lower hydrate or becomes anhydrous spontaneously.
Ans → efflorescent
Explanation →
Q. Properties of a substance that can be observed without using a chemical reaction that would change the substance.
Ans → physical property
Explanation →
Q. A chemical reaction after which the resulting agents cannot be changed back into the reactions ingredients.
Ans → irreversible reaction
Explanation →