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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. Outside the organism in a test tube or artificial environment is known as
Ans → in vitro
Explanation →
Q. Serious infection caused by Trypanosoma brucei and spread by the bite of the tsetse fly
Ans → human African trypanosomiasis
Explanation →
Q. Name the class of T cells that is the central orchestrator of the cellular and humoral defenses of adaptive immunity and the cellular defenses of innate immunity
Ans → helper T cells
Explanation →
Q. Name term that describes a solid of regular shape and the presence of three-dimensional order on the level of atomic dimensions, for a given molecule.
Ans → crystalline
Explanation →
Q. Plasma lipoprotein that is inversely correlated with coronary heart disease is
Ans → HDL
Explanation →
Q. The specific term used to describe carbohydrate stereoisomers differing only in configuration at the hemi-acetal carbon atom.
Ans → anomers
Explanation →
Q. Process of enclosing a drug in a (micro or nano) particle (capsule, liposome, polymer).
Ans → encapsulation
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. An equimolar mixture of the two enantiomeric isomers of a compound.
Ans → racemic mixture
Explanation →
Q. A known volumes are vacuum filtered aseptically through a membrane with a pore size small enough to trap microorganisms, which are counted after growth on plates
Ans → membrane filtration technique
Explanation →
Q. Sweet (often colored) dilute alcohol-based, “hydroalcoholic”, liquid used in the compounding of drugs to be taken by mouth in order to improve palatability.
Ans → elixir
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. 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. A graph of the energy of a reaction against the progress of the reaction.
Ans → energy diagram
Explanation →
Q. Large macromolecules composed of many similar (sometimes identical) smaller molecules, or monomers, linked together.
Ans → Polymers
Explanation →
Q. Small sterile usually polymeric matrices, pellets, or particles for insertion or implanting into the body by surgical means or by injection to help achieve sustained release.
Ans → implants
Explanation →
Q. Some atoms can share two pairs of electrons to form a double bond (two covalent bonds).
Ans → double bond
Explanation →
Q. When parts of the nucleus of atoms are forced together to create a new one.
Ans → nuclear fusion
Explanation →
Q. Hypercholesterolemia is observed in the disorder(s)
Ans → Hypothyroidism, Diabetes mellitus, Nephrotic syndrome
Explanation →
Q. A a term applied to an atom or molecule having one or more free valencies.
Ans → radical
Explanation →
Q. A rare form of transmissible spongiform encephalopathy endemic to Papua New Guinea
Ans → kuru
Explanation →
Q. Inflammation of the conjunctiva in newborns caused by Chlamydia trachomatis transmitted during childbirth is
Ans → inclusion conjunctivitis
Explanation →
Q. The minimum energy which reacting species must possess in order to be able to form an 'activated complex', or 'transition state', before proceeding to the products.
Ans → activation energy
Explanation →