This MCQ test includes the chapters- Periodic Properties and variations of Properties, Chemical Bonding, Study of Acids, Bases and Salts, Analytical Chemistry, Mole concept and stoichimetry and electrolysis
It is of 40 Marks and is of 60 mins.
QUIZ START
#1. In which unit ionization energy is expressed?
#2. What are the factors upon which electronegativity depends?
#3. Why ionic or electrovalent compounds are hard solids?
#4. Why silver nitrate is not taken as an electrolyte during the electroplating of silver?
#5. Why hydrochloric acid cannot be used during the electrolysis of water?
#6. Arrange Li, Cs, K, Na [Increasing order of Melting point]
#7. Electron affinity ________ across a period and _______ down a group.
#8. E.A of gaseous anions is always _______.
#9. The element with min I.E among the following
#10. Identify the element with maximum atomic size
#11. The polar covalent compound among the following
#14. A compound contains 1.55% H, 49.27% S and the rest O. If the Vapour density of the compound is 65, Determine the M.F.[H=1, S=32, O=16]
#15. An organic compound contains 43.51% C[C=12], 5.11%H[H=1] and the rest O[O=16]. If the molecular weight is 138, determine the M.F.
#16. Possible observation at the anode, when impure copper rod is refined electrolytically with copper sulphate solution.
#17. Electron affinity is highest for the element in
#18. The substance, in its aqueous or molten state allows the passage of electricity and gets decomposed.
#19. Ionisation potential _______ down a group.
#20. The vapour density of NH3 is _______.(N=14, H=1)
#21. The element with largest atomic radius in the third period.
#22. The most electropositive element of the second period.
#23. The inert gas that does not have an octet configuration in its outermost shell.
#24. The electrode that increases in mass during the electro-refining of silver.
#25. The acid which dissociates into ions only
#26. The chemical bond formed by a shared pair of electrons, each bonding atom contributing one electron to the pair.
#27. Why graphite anode is preferred to platinum in the electrolysis of molten lead bromide.
#28. The simplest ration of H:O:S in a compound containing 2.06%H, 65.25%O and rest S. [H=1, O=16,S=32]
#29. Element with highest I.E
#30. Find the empirical formula and the molecular formula of an organic compound are:C= 75.92%, H= 6.32% and N= 17.76%. The vapour density of the compound is 39.5.[C=12,H=1,N=14]
#31. The gas formed when magnesium sulphide reacts with dilute sulphuric acid.
#32. The type of salt formed when copper sulphate solution is reacted with excess ammonium hydroxide.
#33. identify the salt which is not a normal salt
#34. The gas produced when ammonium chloride is heated with calcium hydroxide
#35. Arrange K, Pb, Ca, Zn. (in the increasing order of the reactivity)
#36. The formula that represents the simplest ratio of the various elements present in one molecule of the compound.
#37. The ion which produce a coloured solution
#38. The colour of the universal indicator, when pH is 14
#39. The compound formed when carbon dioxide is reacted with sodium hydroxide solution.
#40. The base formed when PbS is oxidised.
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