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Q.16 In NaCl crystal, the arrangement and coordination number of the ions are (A) fcc and 6 (B) fcc and 4 (C) hcp and 6 (D) hcp and 4 NaCl […]

Q.15 When dissolved in water, the number of H+ ions released from a molecule of H3BO3 is __________. SEO-Optimized Introduction Acid strength and the number of hydrogen ions released in […]

Q.13 The given equation (d(ΔH)/dT)p = ΔCp where H, T and Cp are the enthalpy, temperature and heat capacity at constant pressure, respectively, is called (A) Clausius–Clapeyron equation (B) Hess’s […]

Q.12 The type of electronic transition responsible for the yellow colour of K2CrO4 is (A) metal to ligand charge transfer (B) ligand to metal charge transfer (C) intra-ligand charge transfer […]

Q.11 N(CH3)3 and N(SiH3)3 are congeners, but around N-atom the former has pyramidal geometry whereas the latter is nearly planar. The bonding responsible for planarity of N(SiH3)3 is (A) pπ–pπ […]

Q.10 All professors are researchersSome scientists are professorsWhich of the given conclusions is logically valid and is inferred from the above arguments:(A) All scientists are researchers(B) All professors are scientists(C) […]

Q.9 If |−2X + 9| = 3 then the possible value of |−X| − X2 would be: (A) 30 (B) −30 (C) −42 (D) 42 Possible Value of |−X| − […]

Q.8 Following table gives data on tourists from different countries visiting India in the year 2011. Country Number of Tourists USA 2000 England 3500 Germany 1200 Italy 1100 Japan 2400 […]

Q.7 In a factory, two machines M1 and M2 manufacture 60% and 40% of the autocomponents respectively. Out of the total production, 2% of M1 and 3% of M2 are […]