Description : Which of the following exhibits the weakest intermolecular forces?
Last Answer : Which of the following exhibits the weakest intermolecular forces? A. `H_(2)O` B. `NH_(3)` C. He D. HCl
Description : Which of the following has the weakest intermolecular forces? (A) Polyisoprene (B) Nylon-66 (C) Polystyrene (D) Bakelite
Last Answer : (A) Polyisoprene
Description : Which type of intermolecular forces exists among the following molecules? (a) H2S molecules (b) H2O (c) Cl2 and CCl4 (d) SiH4 (e) Helium (f) He atoms and HCl molecules
Last Answer : Ans. (a) Dipole-Dipole interactions. (b)H-Bond. (c)Dispersion forces. (d)Dispersion forces. (e)Dispersion forces. (f)Induced dipole-dipole interactions.
Description : Using H2O, how can I explain the difference between intramolecular and intermolecular forces?
Last Answer : H2O is a polar covalent molecule. Polar covalent molecules occur when heterogeneous molecules occur between atoms of different electro-negativity (E.N.), which is a measure of how strongly an atom attracts a ... molecule and the δ- dipole (in this case O) of an adjacent molecule. Hope that helps.
Description : What are the types of intermolecular forces in h2o?
Last Answer : It has dispersion forces, dipole dipole forces ,and hydrogen bonding. Source: I'm a chemistry professor
Description : Define intermolecular forces. Also write down effect of intermolecular forces on melting points & boiling points of substances?
Last Answer : The forces of attraction present between the molecules of a compound are called Intermolecular forces''. Effect of intermolecular forces on the m.p and b.p of substances If intermolecular forces of attractions in ... . And if these forces are weak then the m.p and b.p will be relatively lower.
Description : Name the solid which has weakest intermolecular force ?
Last Answer : Ice
Description : In which of the following compounds, nitrogen exhibits highest oxidation state? (1) NH2OH (2) N2H4 (3) NH3 (4) N3H
Last Answer : N3H
Description : Name the following coordination compounds according to IUPAC system of nomenclature :(i) [Co(NH3)4 (H2O)Cl]Cl2 (ii) [CrCl2(en)2]Cl, (en = ethane – 1, 2 – diamine) -Chemistry
Last Answer : (i) [CO(NH3)4 (H2O)Cl]Cl2 Tetraammine aquachlorido cobalt (III) chloride (ii) [CrCl2(en)2]Cl Dichlorobis (ethane-1, 2-diamine) chromium (III) chloride
Description : Which is the correct order of decreasing acidity in the following compounds? A. H2O B. CH3CH3 C. NH3 D. CH2=CH2 E. HC≡CH (a) A > E > C > D > B (b) A > E > D > B > C (c) E > A > C > B > D (d) A > C > E > D > B
Last Answer : A > E > C > D > B
Description : Point group C2v belong to the molecule a. H2O b. BeH2 c. NH3 d. C2H2
Last Answer : a. H2O
Description : Which of the following compounds is the strongest base? w) NH3 x) PH3 y) H2O z) H2S
Last Answer : ANSWER: W -- NH3
Description : Which of the following compounds is the strongest acid? w) NH3 x) PH3 y) H2O z) H2S
Last Answer : ANSWER: Z -- H2S
Description : which type of friction forces are the strongest and the weakest?
Last Answer : there are four types of friction: static, sliding, rolling, and air resistance. Static friction is the strongest and rolling friction is weakest.
Description : The weakest interparticle forces are present in :
Last Answer : The weakest interparticle forces are present in : A. thermosetting polymers B. themoplastic polymers C. fibres D. elastomers
Description : Where shows the correct order of forces from weakest to strongest?
Last Answer : strong nuclear, weak nuclear, electrostatic, gravitational
Description : The weakest of all fundamental forces is – (1) Gravitational force (2) Electrostatic force (3) Magnetic force (4) Nuclear force
Last Answer : (1) Gravitational force Explanation: In particle physics, fundamental interactions (sometimes called interactive forces or fundamental forces) are the ways that elementary particles interact with one another. ... weak interaction ("weak nuclear force"), and gravitation. All are non-contact forces.
Description : Interchain forces are the weakest in case of (A) Plastics (B) Fibres (C) Elastomers (D) Both rubber & elastomers
Last Answer : (D) Both rubber & elastomers
Description : The weakest of all fundamental forces is (1) Gravitational force (2) Electrostatic force (3) Magnetic force (4) Nuclear force
Last Answer : Gravitational force
Description : Name the types of intermolecular forces present in Ar, Cl2, CCl4 and HNO3.
Last Answer : Name the types of intermolecular forces present in Ar, Cl2, CCl4 and HNO3.
Description : Identify type of the intermolecular forces in the following compounds. a. CH3 – OH b. CH2 = CH2 c. CHCl3
Last Answer : Identify type of the intermolecular forces in the following compounds. a. CH3 – OH b. CH2 = CH2 c. CHCl3 d. CH2Cl2
Description : Intermolecular forces in liquid are :
Last Answer : Intermolecular forces in liquid are : a. greater than gases b. less than solids c. both a and b d. greater than solids
Description : What intermolecular forces are in O2?
Last Answer : The oxygen molecule has a covalent bond; the intermolecular forces are London dispersion forces.
Description : What type of intermolecular forces are in LiCl?
Last Answer : Lithium chloride form large lattices.
Description : What are the intermolecular forces in OCl2?
Last Answer : Feel Free to Answer
Description : What is the intermolecular forces in HBr?
Last Answer : These are dipole-dipole forces.
Description : What intermolecular forces are in phosgene Cl2CO?
Description : What are the intermolecular forces for CH3CH2OH?
Description : What intermolecular forces isp resent in Gatorade which is essential for the body?
Last Answer : Need answer
Description : What intermolecular forces exist in CH3OH?
Description : What are the Intermolecular forces of 1-(2-propoxy2-methyl)-butane?
Last Answer : The intermolecular forces would be dispersion forces.
Description : What intermolecular forces are in cl2?
Last Answer : Dispersion
Description : A drop of liquid assumes spherical shape because: (1) Intermolecular forces are strong in liquids (2) A sphere has the least surface area for a given volume (3) A sphere has the largest surface area for a given volume (4) Inter molecular forces are weak in liquids
Last Answer : (2) A sphere has the least surface area for a given volume Explanation: A drop of liquid assumes spherical shape because a sphere has the least surface area for a given volume.
Description : Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their (A) Molecular sizes (B) Magnitude of intermolecular forces (C) Resistance to heat (D) Polymerisation mechanism
Last Answer : (B) Magnitude of intermolecular forces
Description : Properties of a polymer is affected by the (A) Chain length (B) Intermolecular forces (C) Both (A) and (B) (D) None of these
Last Answer : (C) Both (A) and (B)
Description : Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its (A) Tensile strength (B) Chemical resistance (C) Flexibility (D) All (A), (B) & (C)
Last Answer : (C) Flexibility
Description : Explain the effect of increasing the temperature of a liquid, on intermolecular forces operating between its particles. What will happen to the viscosity of a liquid if its temperature is increased? Arrange the following in increasing order of viscosity-water, hexane, glycerine.
Last Answer : Ans. On increasing the temperature , the kinetic energy of liquid molecules increases so that it can overcome the attractive forces between the molecules and hence liquid can flow more easily i.e. viscosity decreases. Order of increasing viscosity : hexane < water < glycerine.
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 : Predict what will happen if intermolecular forces between the molecules are very weak
Last Answer : Ans. When intermolecular forces are very weak , molecules do not cling together t o make liquid and solid.
Description : Elaborate the statement that physical state of existence at given conditions is a balance between the thermal energy and intermolecular forces.
Last Answer : Ans. Intermolecular forces tend to keep the molecules together but thermal energy of the molecules tends to keep them apart. The three states of matter are the result of the balance between intermolecular forces and thermal energy of the molecules.
Description : Which type of intermolecular forces are effected in each of the following process: (i)Sublimation of iodine. (ii)Evaporation of water.
Last Answer : Ans. (i) Sublimation of iodine : Dispersion forces. (ii)Evaporation of water : Hydrogen bond.
Description : Define (a) Dipole-Dipole Forces (b) Avogadro law (c) Intermolecular forces
Last Answer : Ans.(a) Dipole-dipole forces : The force of attraction which act between two molecules having permanent dipoles. (b) Avogadro Law : Equal volumes of all gases under the similar condition of ... . V α n (c) Intermolecular Forces: The forces of attractions and repulsion between interacting particles.
Description : Name two intermolecular forces that exist between HF molecules in liquid state.
Last Answer : Ans. Dipole-dipole interaction and hydrogen bonding.
Description : Surface tension of a liquid (A) Is due to intermolecular forces of cohesion (B) Decreases with rise in temperature (C) Is responsible for the spherical shape of an isolated liquid drop (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : Which one of the following statements most accurately relates the properties of a liquid at room temperature with its vapour pressure? A A liquid with a low vapour pressure will probably have a ... with a high vapour pressure will probably have high intermolecular forces and a low boiling point.
Last Answer : A A liquid with a low vapour pressure will probably have a high surface tension and a high boiling point.
Description : Based on the intermolecular forces involved, which of the following molecules will have the lowest boiling point? w) ethane x) methyl alcohol y) methyl amine z) methyl fluoride
Last Answer : ANSWER: W -- ethane
Description : The boiling points of the halogens increase going from F2 to I2. What type of intermolecular forces are responsible for this trend? w) permanent dipole x) hydrogen bonding y) ion-ion attraction z) London dispersion forces
Last Answer : ANSWER: Z -- LONDON DISPERSION FORCES
Last Answer : A sphere has the least surface area for a given volume
Description : Identify the substances that are oxidised and the substances which are reduced in the following reactions. (i) 4Na(s) + O2(g) → 2Na2O(s) (ii) CuO (s) + H2(g) → Cu (s) + H2O(l) -Chemistry-10
Last Answer : (i) Substances oxidised is Na as it gains oxygen and oxygen is reduced. (ii) Substances reduced is Cu as hydrogen is oxidised as it gains oxygen.