MCQ States Of Matter Chapter 5 Class 11 Chemistry Advertisement MCQ’s For All Chapters – Chemistry Class 11th 1. Dipole-dipole forces act between molecules possessing: No dipole momentElectronic chargesPermanent dipoleInduced dipoleQuestion 1 of 202. Partial charges are involved in:Dipole-dipole forcesLondon forcesDipole-induced dipole forcesVander waals forcesQuestion 2 of 203. Interaction energy associated with London force isProportional to the third power of the distance between two interacting particles.Proportional to the sixth power of the distance between two interacting particles. Inversely proportional to the sixth power of the distance between two interacting particles. Inversely proportional to the third power of the distance between two interacting particles.Question 3 of 204. The force of attraction between two permanent dipoles is known asDipole - dipole forceLondon force Repulsive forceDipole Induced dipole forceQuestion 4 of 205. Dipole-dipole interaction energy between stationary polar molecules is:Inversely proportional to the third power of the distance between two interacting particlesDirectly proportional to the third power of the distance between two interacting particles Directly proportional to the sixth power of the distance between two interacting particlesInversely proportional to the sixth power of the distance between two interacting particlesQuestion 5 of 206. For dipole-induced dipole forces, interaction energy is:Inversely proportional to the third power of the distance between two interacting particlesDirectly proportional to the third power of the distance between two interacting particlesInversely proportional to the sixth power of the distance between two interacting particlesDirectly proportional to the sixth power of the distance between two interacting particlesQuestion 6 of 207. London forces are important only at: Distance between the two particlesLong distances Short distancesInfinite distanceQuestion 7 of 208. The strength of London forces do not increase with the increase in The distance between two interacting particlesSurface area of moleculeNumber of electronsMolecular sizeQuestion 8 of 209. London forces are also known as vander Waals forcesDipole-dipole forcesDispersion forcesKeesom forcesQuestion 9 of 2010. In dipole-induced dipole forces, the dipole moments (μ) of polar and non polar molecules areμ = 0 and μ < 0μ > 0 and μ = 0μ < 0 and μ > 0μ = 0 for bothQuestion 10 of 2011. The influence of permanent electrical dipole in dipole-Induced Dipole forcesDepend on the ionic radiiDecreases with the decrease in size of the molecule Increases with the increase in size of the moleculeDoes not depend on the size of the moleculeQuestion 11 of 2012. Magnitude of repulsion rises as the distance separating the molecules:Remains constantIncreasesHas no effect on repulsionDecreasesQuestion 12 of 2013. A strong type of dipole-dipole interaction is: Electrostatic bondCovalent bondIonic bond Hydrogen bondQuestion 13 of 2014. High polarisability increases the strength of:Dipole-dipole forcesDipole-induced dipole forcesVander waals forcesLondon forcesQuestion 14 of 2015. The force of attraction between the polar molecules having permanent dipole and the molecules lacking permanent dipole is Dipole Induced dipole forceDipole - dipole forceRepulsive forceLondon forceQuestion 15 of 2016. Atoms and non-polar molecules are electrically:PolarizedIonizedSymmetricalUnsymmetricalQuestion 16 of 2017. Among the following, the force that is not included in vander Waals forces isDipole-dipole forcesDipole-induced dipole forcesLondon forcesCovalent bondQuestion 17 of 2018. A polar and a non-polar molecule interact by:London forcesDipole-induced dipole forcesHydrogen bondDipole-dipole forcesQuestion 18 of 2019. The partial charges present on an atom are Equal to the unit chargeGreater than the unit chargeLess than the unit chargeDoes not depend on the unit chargeQuestion 19 of 2020. Dipole-dipole forces are:Equal in strength to London forcesStronger than London forcesNot comparable to London forcesWeaker than London forcesQuestion 20 of 20 Loading...
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