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