1st PUC Chemistry Series-5 December 2, 2020December 23, 2020wefru PUC Science 1st Year Chemistry Series-5 quiz 0 Created on December 02, 2020 By wefru 1st PUC Chemistry Series 5 TEST YOUR KNOWLEDGE OF SCIENCE 1 / 10 Q.41Molecules are held together in a crystal by Van der Waal’s attraction dipole-dipole attraction electrostatic attraction Hydrogen bond 2 / 10 Q.42 Sp3d2 hybridization is present in [Co(NH3)63+], find its geometry tetrahedral geometry tetragonal geometry square planar geometry octahedral geometry 3 / 10 Q.43. Find the molecule with the maximum dipole moment NH3 CH4 CO2 O3 4 / 10 Q.44 MX6 is a molecule with octahedral geometry. How many X – M – X bonds are at 180°? THREE TWO FOUR FIVE 5 / 10 Q.45Find the pair with sp2 hybridisation of the central molecule BF3 and NO2– NH3 and NO2– BF3 and NH2 NH2– and H2O 6 / 10 Q.46 The formal charge and P-O bond order in PO43- respectively are -0.75, 1.25 0.6, -0.75 1.25, -3 1.0, -0.75 7 / 10 Q.47Which of the molecules does not have a permanent dipole moment? CS2 SO3 SO2 H2S 8 / 10 Q.48. pℼ – dℼ bonding is present in which molecule CO32 SO32 CO32- NO3– 9 / 10 Q.49Which one has a pyramidal shape? PCl3 SO3 CO32 CO3 10 / 10 Q.50Elements X and Y combine to form two compounds XY and X2Y. Find the atomic weight of X and Y, if the weight of 0.1 moles of XY is 10g and 0.05 moles of X2Y is 9g 50, 20 40, 40 2O, 40 80, 20 Your score isThe average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz