.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 ❭ Some atoms can share two pairs of electrons to form a double bond (two covalent bonds).
Some atoms can share two pairs of electrons to form a double bond (two covalent bonds).
Pharmaceutical Organic Chemistry Pharmacist Competitive Exams
Q. Some atoms can share two pairs of electrons to form a double bond (two covalent bonds).
Ans → double bond
Explanation →
This question is taken from the test/quiz post: one liner| organic| B.pharmacy| Pharmacy one liners |organic chemistry| B.pharmacy file-3 - attemp/practice
More oneliners in - one liner| organic| B.pharmacy| Pharmacy one liners |organic chemistry| B.pharmacy file-3
Q. A process in which a compound of one oxidation state changes to compounds two or more oxidation states
Ans → disproportionation
Explanation →
Q. The process whereby a molecule is split into simpler fragments which may be smaller molecules, atoms, free radicals or ions.
Ans → dissociation
Explanation →
Q. Some atoms can share two pairs of electrons to form a double bond (two covalent bonds).
Ans → double bond
Explanation →
Q. Intensely coloured compounds applied to a substrate. Colours are due to the absorption of light to give electronic transitions.
Ans → dyestuffs
Explanation →
Q. A conformation in which substituents on two attached saturated carbon atoms overlap when viewed as a Newman projection.
Ans → eclipsed
Explanation →
Q. The particular order in which electrons are arranged in an atom or molecule.
Ans → electronic configuration
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. An overall reaction in which an electrophile binds to a substrate with the expulsion of another electrophile is known as
Ans → electrophilic substitution
Explanation →
Q. A a substance which cannot be further subdivided by chemical methods.
Ans → element
Explanation →
Q. A a pair of isomers which are related as mirror images of one another.
Ans → enantiomers
Explanation →
Q. A graph of the energy of a reaction against the progress of the reaction.
Ans → energy diagram
Explanation →
Q. A thermodynamic quantity which is a measure of the degree of disorder within any system.
Ans → entropy
Explanation →
More one-liners in - Pharmaceutical Organic Chemistry
Q. Small number of cells added to medium to start a culture is commonly called
Ans → inoculum
Explanation →
Q. The amino acid required for the formation of glutathione
Ans → Glycine, Cysteine, Glutamate
Explanation →
Q. When a substance, called a solvent, is added to a suspension to reduce the concentration.
Ans → dilution
Explanation →
Q. Introduction of genetic material from one organism to another organism within the same generation
Ans → horizontal gene transfer
Explanation →
Q. The term given to organic molecules which contain no multiple bonds.
Ans → saturated
Explanation →
Q. The regulatory enzyme in the pyrimidine biosynthesis in animals is
Ans → Carbamoyl phosphate synthetase II
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. The Threshold detergent concentration at which micelle formation begins in the bulk phase is called
Ans → critical micelle concentration (cmc)
Explanation →
Q. The major component of acute phase proteins used for the evaluation of acute phase response
Ans → C-reactive protein
Explanation →
Q. An enzyme of purine metabolism associated with immunodeficiency disease
Ans → Adenosine deaminase
Explanation →
Q. The scientist who observed that there exists a relationship between the contents of purines and pyrimidines in DNA structure
Ans → Erwin Chargaff
Explanation →
Q. Powder formulation in which individual doses of a powdered dosage form are separately wrapped
Ans → divided powder
Explanation →
Q. A functional group consisting of an internal carbonyl group (C=O) bonded to two other carbon atoms
Ans → Ketones
Explanation →
Q. Tablet, which does not contain a disintegrant and which is sucked to dissolve in the mouth to produce either a local (e.g., antiseptic) or systemic (e.g., vitamins) effect.
Ans → lozenge
Explanation →
Q. Lipid molecules with attached sugars that are found as components of gram-negative outer membranes
Ans → lipopolysaccharide
Explanation →
Q. The process whereby a molecule is split into simpler fragments which may be smaller molecules, atoms, free radicals or ions.
Ans → dissociation
Explanation →
Q. Name a property, which serves as basis for the process whereby surfactants are used for the removal of foreign matter from surfaces (including dirt from clothes or body surfaces).
Ans → detergency
Explanation →
Q. Name the five vitamins required by pyruvate dehydrogenase or -ketoglutarate dehydrogenase complex
Ans → Thiamine, riboflavin, lipoic acid, niacin, pantothenic acid,
Explanation →
Q. the method for producing gasoline from heavy petroleum distillates.
Ans → catalytic cracking
Explanation →
Q. The metabolic pathway concerned with the conversion of L-xylulose to D-xylulose is
Ans → Uronic acid pathway
Explanation →
Q. The following anticoagulant binds with Ca2+ and prevents blood clotting
Ans → Oxalate
Explanation →
Q. The disease characterized by impairment in the absorption of neutral amino acids
Ans → Hartnup’s disease
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 hydrocarbon containing a carbonyl (C=O) adjacent to an ether (C-O-C) linkage.
Ans → Esters
Explanation →
Q. DNA-binding proteins found in eukaryotes and archaea that aid in orderly packaging of chromosomal DNA
Ans → histones
Explanation →
Q. The sideways projection of a carbon-carbon single bond and the attached substituents.
Ans → sawhorse projection
Explanation →
Q. Leukocytes found in the peripheral blood that are characterized by numerous granules
Ans → granulocytes
Explanation →