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.
Results
#1. In period 3, melting and boiling points of elements increase till_________.
#2. Identify the liquid non-polar covalent among the following
#3. How non-metallic character of elements depends upon the nuclear charge?
#4. Due to the _______, covalent compounds are non-conductor of electricity.
#5. A covalent neutral gaseous compound.
#6. With the decrease in I.P the element becomes
#7. Name the group which contains highly electronegative elements.
#8. Determine the molecular formula of the compound formed by 48.97%C, 6.165%H, 28.56%N and the rest O. [C=12, O=16, H=1, N=14]
#9. The acid formed when SO3 dissoves in H2SO4
#10. The % of C in C3H8 [C=12, H=1]
#11. Identify the acidic salt among the following
#12. The compound which produce both ions and molecules in aqueous solution
#13. Identify the weak base among the following
#14. When few drops of sodium hydroxide solution are added to ferric chloride solution a ______ ppt of _____ is formed.
#15. The element with maximum atomic size among- Na, Al, S, Cl
#16. In ammonium ion, the number of covalent bond, ionic bond and lone pairs of electrons respectively are:
#17. A covalent compound which ionises in water.
#18. The electrode used during the electrolysis of molten lead bromide
#19. The non volatile acid among the following
#20. A ______ coloured ppt formed when ammonium hydroxide solution is added to ferrous sulphate solution.
#21. Arrange : N, F, Be, O [Increasing order of Non-metallic nature]
#22. The colour of ppt formed when NaOH solution is added to calcium nitrate solution
#23. Name a weakly basic hydride of group 13.
#24. During the electrolysis of acidified water, the gas evolved at B is
#25. Few drops of ammonium hydroxide solution is added to lead nitrate solution and then in excess.
#26. Number of elements present in the lanthanide series.
#27. The electrolyte used during the electrorefining of copper
#28. Calculate the % of C, H and O in C3H8O is [C=12, H=1, O=16]
#29. The product formed at the cathode when electricity is passed through copper sulphate solution using copper electrodes.
#30. The gas formed when acid reacts with Na2S
#31. The acid formed by direct combination
#32. The acid formed when sulphur is reacted with conc. nitric acid.
#33. Identify the compound with electrostatic force of attraction between the constituent atom/ions
#34. Identify A in the diagram adjacent to this question
#35. The type of compound formed due to the complete transfer of electrons from one atom of an element to one atom of another element is called _______.
#36. Compounds which do not allow electricity to pass through it.
#37. Metals like Hg, Au, Ag, Cu does not liberate hydrogen when reacted with dilute sulphuric acid as they are ______ hydrogen in the metal activity series.
#38. The acid formed when sodium nitrate is heated with conc. sulphuric acid at a temperature below 200oC.
#39. As the nuclear charge___________, the size of atom decreases.
