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