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