Description : Which of the following compounds would react most rapidly in an SN2 reaction? (a) CH3CH2I (b) CH2=CH–I (c) (CH3)2CHI (d) (CH3)3CI
Last Answer : CH3CH2I
Description : Which of the following compounds will react most readily with bromine in CCl4? (a) CH3CH2CH3 (b) (CH3)3CH (c) CH3CH=CH2 (d) (CH3)4C
Last Answer : CH3CH=CH2
Description : Which of the following compounds show geometrical isomerism (a) (CH3)3N (b) CH3CH=CH2 (c) (CH3)2NH (d) CH3CH=CHCH
Last Answer : CH3CH=CHCH
Description : Marsh gas mainly contains (a) CH2=CH2 (b) CH4 (c) H2S (d) CHCl3
Last Answer : CH4
Description : Point group D3h belong to the molecule a. BF3 b. NH3 c. CHCl3 d. CH3
Last Answer : a. BF3
Description : What is the name for CH3-CHBr-CH2-CH3?
Last Answer : This compound is bromobutane.
Description : Hinge region, the region of Ig molecule which is flexible and more exposed to enzymes is the (A) Region between first and second constant regions of H chain (domains CH1 and CH2) (B) Region between second and ... H chain (CH2 and CH3) (C) Variable regions of H chain (D) Variable regions of L chain
Last Answer : Answer : A
Description : The class specific function of the different immunoglobulin molecules is constituted by (A) Variable region of L chain (B) Constant region of H chain (C) Variable region of H chain (D) Constant region particularly CH2 and CH3 of H chain
Last Answer : Answer : D
Description : Which of the following terms best describes the compound below? CH3(CH2)26CO2CH2(CH2)32CH3 (a) a fat (b) a wax (c) a terpene (d) an unsaturated triglyceride
Last Answer : a wax
Description : Which of the following terms best describes the compound below? CH3(CH2)7CH=CH(CH2)7CO2H (a) an unsaturated fatty acid (b) a triglyceride (c) a synthetic detergent (d) a micelle
Last Answer : an unsaturated fatty acid
Description : Which of the following terms best describes the compound below? CH3(CH2)12CO2H (a) a fatty acid (b) an oil (c) a wax (d) a soap
Last Answer : a fatty acid
Description : CH3(CH2)4 is the sodium salt of hexanoic acid. The water solubility of this salt is : (a) higher than that of hexanoic acid (b) lower than that of hexanoic acid (c) completely insoluble (d) not predictable
Last Answer : higher than that of hexanoic acid
Description : Predict which of the following alkenes reacts the fastest with HCl? (a) CH3CH2CH2CH2CH=CH2 (b) cis-CH3CH2CH=CHCH2CH3 (c) trans-CH3CH2CH=CHCH2CH3 (d) (CH3)2C=CHCH2CH3
Last Answer : (CH3)2C=CHCH2CH3
Description : What type of intermolecular forces are in LiCl?
Last Answer : Lithium chloride form large lattices.
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 : 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 : 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 : 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
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 : Which of the following compounds will show geometrical isomerism? (a) CH2=CHCl2 (b) ClCH=CHBr (c) CH2=CHCl (d) Cl2C=CBr2
Last Answer : ClCH=CHBr
Description : Write the IUPAC name for: (CH3)2CHCH(OH)CH2C(CH3)3,identify the functional group and type of compound.
Last Answer : Ans. 2,5,5-trimethylhexan-3-ol, alcohol, secondary alcohol
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 : 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 : 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 : 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 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 : 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 : Which of these substances exhibits the weakest intermolecular forces? (a) NH3 (b) H2O (c) He (d) HCI
Last Answer : Ans:(c)
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 : Which of the following has the weakest intermolecular forces? (A) Polyisoprene (B) Nylon-66 (C) Polystyrene (D) Bakelite
Last Answer : (A) Polyisoprene
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 : 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 : 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 : 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.