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