Resonance structures of a molecule have
(a) same arrangement of atoms
(b) different arrangement of atoms
(c) same number of paired electrons
(d) different number of paired electrons

1 Answer

Answer :

same arrangement of atoms

same number of paired electrons

Related questions

Description : Which of the following is not characteristic of resonance? (a) The canonical structures have the constituent atoms in the same relative positions (b) They have nearly the same energy (c) ... of unpaired electrons (d) The actual structure can be represented on paper using the conventional symbols

Last Answer : Ans:(d)

Description : Which statement about the carbonyl group is NOT true? (a) The carbonyl carbon is sp2 hybridized. (b) The bond angles among the three atoms attached to the carbonyl carbon are 120°. (c) ... attached to the carbonyl carbon form a nonplanar geometry. (d) The carbonyl group forms resonance structures.

Last Answer : The three atoms attached to the carbonyl carbon form a nonplanar geometry

Description : What does a “curved” arrow represent? (a) that two structures are resonance structures (b) the movement of two electrons (c) a link between reactants and products (d) that two structures are equivalent

Last Answer : the movement of two electrons

Description : Which one of the following statements is WRONG? (A) A singlet or triplet state may result when one of the electrons from the HOMO is excited to higher energy levels (B) In an ... the electron from the singlet excited state returns to ground state, the molecule always shows fluorescence phenomenon

Last Answer : (C) Triplet excited state is more stable than the singlet excited state

Description : t is a result of photons of light that are absorbed by the atoms of the glass core molecule. ∙ A. ion resonance absorption ∙ B. infrared absorption ∙ C. ultraviolet absorption ∙ D. visible light absorption

Last Answer : B. infrared absorption

Description : Metals, in general are of low strength and do not possess required physio-chemical and technological properties for a definite purpose. Alloys are therefore more than metals alone. Discuss the arrangement of atoms and Structures of alloys.

Last Answer : Alloys are produced by melting or sintering two ore more metals, or metals and a non-metal, together. Alloys possess typical properties inherent in the metallic state. The chemical elements ... an alloy are its individual portions, each having a single structure with its characteristic features.

Description : Which of the following structures or regions is incorrectly paired with its functions? (a) Medulla : Controls respiration oblongata and cardiovascular reflexes (b) Limbic : Consists of fibre tracts ... thirst (d) Corpus callosum : Band of fibers connecting left and right cerebral hemispheres

Last Answer : (b) Limbic : Consists of fibre tracts system that interconnect different regions of brain controls movement

Description : Which of the following structures or regions is incorrectly paired with its function ? (1) Medulla oblongata : controls respiration and cardiovascular reflexes. (2) Limbic system : consists of fibre ... and thirst. (4) Corpus callosum : band of fibers connecting left and right cerebral hemispheres.

Last Answer : (2) Limbic system : consists of fibre tracts that interconnect different regions of brain; controls movement.

Description : (1) they contain free electrons Explanation: Metals typically consist of closepacked atoms, meaning that the atoms are arranged like closely packed spheres. Two packing motifs are common, one ... surrounded by six neighboring atoms. Several metals adopt both structures, depending on the temperature.

Last Answer : Helium gas is filled in ballons because (1) its atomic number is 2 (2) it is lighter than air (3) it is one of the constitutents of water (4) it is a noble gas

Description : Which of the following statements about benzene is correct? (a) All of the carbon atoms are sp3 hybridized. (b) It has no delocalized electrons. (c) The carbon-carbon bond length is longer than that of ethane. (d) It is a planar molecule.

Last Answer : It is a planar molecule.

Description : Ortho and paranitrophenols are more acidic than phanel. Draw the resonance structures of the corresponding phonoxide ion.

Last Answer : Ans:- Electronwithdrawal by nitro group makes the plenoxide ion more resonance stabilized and so the strength of phenel increases.

Description : Which of the following is incorrect? (a) Resonance stabilization is the extra stability a compound gains from having delocalized electrons. (b) Delocalized electrons destabilize a compound. (c) The greater ... stable resonance contributors, the greater is the resonance stabilization. (d) (a) and (c)

Last Answer : Delocalized electrons destabilize a compound

Description : Atoms of different elements have - (1) same atomic number and same electronic configuration (2) different atomic number and same eletronic configuration (3) different atomic number and different number of valence electrons (4) same number of electrons and neutrons

Last Answer : (3) different atomic number and different number of valence electrons Explanation: Each element's atoms have a different number of protons, neutrons, and electrons, which is why they have different ... Their reactivity also varies because of the number and activeness of the electrons in the atom.

Description : Atoms of different elements have (1) same atomic number and same electronic configuration (2) different atomic number and same eletronic configu-ration (3) different atomic number and different number of valence electrons (4) same number of electrons and neutrons

Last Answer : different atomic number and different number of valence electrons

Description : In the water molecule are electrons are equally shared by hydrogen atoms and oxygen atoms?

Last Answer : What is the answer ?

Description : Organic compounds having same molecular formula with different structural arrangement of atoms in them is known as

Last Answer : isomerism.

Description : In the Lewis symbol for a fluorine atom there are paired and unpaired electrons.?

Last Answer : Yes. That is true. There are 3 pairs of electrons, and 1 loneunpaired electron.

Description : What are the resonance structures of CH2NH2?

Last Answer : Feel Free to Answer

Description : How many resonance structures, if any Acetate H3C2O2(-1) *?

Last Answer : The acetate anion has two resonance structures of the same energy; one in which the π bond is on one oxygen, the other where it's on the other oxygen.

Description : (3) the number of electrons orbiting around the nucleus Explanation: The chemical behavior of an atom is determined by the number of electrons on its outer shell. As for the chemical bonding properties of ... , and in what ratio atoms will bond to form the 20,000,000 different substances on Earth.

Last Answer : Methyl phenyl ether can be obtained by reacting - (1) phenolate ions and methyl iodide (2) methoxide ions and bromobenzene (3) methanol and phenol (4) bromobenzene and methyl bromide

Description : Graphite carbon atoms form planar layers in what regular geometric arrangement?

Last Answer : ANSWER: HEXAGONAL 

Description : Assertion: The O - O bond lengths in ozone molecule are intermediate between single and double bonds. Reason: `O_(3)` molecule is a resonance hybrid.

Last Answer : Assertion: The O - O bond lengths in ozone molecule are intermediate between single and double bonds. ... I is not correct and Statement-II is correct

Description : ________ is the result of photons of light that are absorbed by the atoms of the glass core molecules ∙ a. Ion resonance absorption ∙ b. Ultraviolet absorption ∙ c. Infrared absorption ∙ d. Absorption loss

Last Answer : c. Infrared absorption

Description : Premature ventricular contractions are considered precursors of ventricular tachycardia when they a) occur at a rate of more than six per minute. When PVCs occur at a rate of more than six per minute they ... paired with a normal beat. A PVC that is paired with a normal beat is termed bigeminy.

Last Answer : a) occur at a rate of more than six per minute. When PVCs occur at a rate of more than six per minute they indicate increasing ventricular irritability and are considered forerunners of ventricular tachycardia (VT).

Description : An absorption loss caused by valence electrons in the silica material from which fibers are manufactured. A. Modal dispersion B. Infrared absorption C. Ion resonance absorption D. Ultraviolet absorption

Last Answer : D. Ultraviolet absorption

Description : It is caused by valence electrons in the silica material from which the fiber are manufactured. ∙ A. ion resonance absorption ∙ B. infrared absorption ∙ C. ultraviolet absorption ∙ D. visible light absorption

Last Answer : ultraviolet absorption

Description : Atoms having same no of neutron but different no of electrons or protons are called –

Last Answer : Isotones

Description : Atoms having same no of neutron but different no of electrons or protons are called

Last Answer : Isotones

Description : Diamond is harder than graphite because of – (1) difference in layers of atoms (2) tetrahedral structure of diamond (3) difference of crystalline structures (4) None of these

Last Answer : (1) difference in layers of atoms Explanation: Diamond is harder than graphite because diamond has a more complex structure. Diamond's structure is like many pentagons connected together, each pentagon ... together in some way. Graphite's structure is very loose, with its bonds forming layers.

Description : Diamond is harder than graphite because of : (1) difference in layers of atoms (2) tetrahedral structure of diamond (3) difference of crystalline structures (4) None of these

Last Answer :  difference in layers of atoms

Description : What is the number of atoms constituting a molecule known as - (1) Atomic number (2) Isotopes (3) Atomic mass (4) Atomicity

Last Answer : (4) Atomicity Explanation: Atomicity is the total number of atoms present in one molecule of an element.

Description : The number of asymmetric carbon atoms in the α-D-glucopyranose molecule is : (a) 2 (b) 3 (c) 4 (d) 5

Last Answer : 5

Description : . Monosaccharides are classified according to : (a) the number of carbon atoms in the molecule. (b) whether they contain an aldehyde or a ketone group (c) their configurational relationship to glyceraldehyde. (d) all of the above

Last Answer : all of the above

Description : The boiling point of normal paraffinic (pron: pair-ah-FIN-ik) hydrocarbons increases with the number of carbon atoms per molecule. What is the smallest number of carbon atoms a normal paraffinic ... and still be a liquid at room temperature (70-75 degrees Fahrenheit) and 1 atmosphere pressure.

Last Answer : ANSWER: FIVE

Description : What formula represents the number types and arrangement of atoms?

Last Answer : This is a chemical formula.

Description : What formula represents the number types and arrangement of atoms?

Last Answer : This is a chemical formula.

Description : Use the information and data given below to answer the questions Stronger intermolecular forces result in higher boiling point Strength of London forces increases with the number of electrons in the molecule ... here? (c) Why is the boiling point of HF highest while that of HCl lowest?

Last Answer : Ans :( a) In the molecules HCl, HBr and HI, dipole-dipole interaction and London forces are present. (b) Dipole moment of HCl > HBr > HI but boiling point of HCl < HBr

Description : The double helix is a structural arrangement associated with _____. a. A Polysaccharide. b. The DNA Molecule. c. Glucose Molecules In Starch. d. A Protein.

Last Answer : b. The DNA Molecule.

Description : The isotope atoms differ in - (1) number of neutrons (2) atomic number (3) number of electrons (4) atomic weight

Last Answer : (1) number of neutrons Explanation: Important to note that isotope atoms have same atomic number.

Description : The number of electrons in the outer shell of the most stable or inert atoms is (1) 1 (2) 5 (3) 3 (4) 8

Last Answer : (4) 8 Explanation: The innermost shell has a maximum of two electrons, but the next two electron shells can each have a maximum of eight electrons.

Description : Which one is different for the neutral atoms of the isotopes of an element? (A) Atomic weights (B) Atomic numbers (C) Number of protons (D) Number of electrons

Last Answer : (A) Atomic weights

Description : Which one is different for the neutral atoms of the isotopes of an element? (A) Atomic weights (B) Atomic numbers (C) Number of protons (D) Number of electrons

Last Answer : (A) Atomic weights

Description : How many chlorine atoms are present in chlorine molecule ?

Last Answer : There are two chlorine atoms in the chlorine molecule.

Description : How many atoms are in the molecule of inert gas ?

Last Answer : Inert gas has 1 atom in its molecule .

Description : In an oxygen molecule, two atoms are united by - (1) one bond (2) two bonds (3) three bonds (4) four bonds

Last Answer : (2) two bonds Explanation: Two oxygen atoms can both achieve stable structures by sharing two pairs of electrons as in the diagram. Two electrons of each of the atom in the oxygen molecule ... is shown conventionally by two lines joining the atoms. Each line represents one pair of shared electrons.

Description : How many carbon atoms are there in one naphthalene molecule? w) 6 x) 8 y) 10 z) 15

Last Answer : ANSWER: Y -- 10

Description : How many carbon atoms are there in one napthalene molecule? w) 6 x) 8 y) 10 z) 15

Last Answer : ANSWER: Y -- 10

Description : How many atoms of oxygen are in a glucose molecule w) 2 x) 6 y) 10 z) 12

Last Answer : ANSWER: X -- 6

Description : In an oxygen molecule, two atoms are united by (1) one bond (2) two bonds (3) three bonds (4) four bonds

Last Answer :  two bonds

Description : In ammonia NH3 the hydrogen atoms orient themselves as far away as possible from each other because this arrangement .?

Last Answer : APEXminimizes the repulsion of electron groups