Chemistry - Chemistry Of Non-Metals - II (Boron,Silicon,Phosphorous,Sulphur,Halogens and noble gases)

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Question - 1

Which of the following scientists explained that nobel gases too can form chemical compound?

  • A N.Bartlett
  • B J.Chadwick
  • C J.Thomson
  • D Hildebrand

Question - 2

Correct order of decreasing bp of hydrides of Group VI (Group 16 according to IUPAC) is

  • A H2Te, H2Se, H2S, H2O
  • B H2O , H2Te, H2Se, H2S
  • C H2O , H2Se, H2Te, H2S
  • D H2Se , H2S , H2Te , H2O

Question - 3

Electrolysis of brine produces

  • A H2 and Cl2
  • B H2 ,Cl2 and NaOH
  • C Cl2 and NaOH
  • D Cl2 and Na

Question - 4

During Labortory preparation of Cl2,MnO2

  • A is reduced
  • B is oxidised
  • C acts as a catalyst
  • D acts in none of the above

Question - 5

Which of the following is an anhydride of perchloric acid?

  • A Cl2O
  • B ClO2
  • C Cl2O7
  • D ClO3

Question - 6

Halides of elemets ofgroup III are called

  • A Iowry Bronsted acid
  • B Arrhenious acid
  • C Lewis acid
  • D Lewis Base

Question - 7

Chlorine gas is dried over

  • A CaO
  • B NaOH
  • C KOH
  • D Conc. H2SO4

Question - 8

Oxidation number of sulpher in S8 is

  • A 0
  • B -2
  • C -4
  • D 8

Question - 9

Which of the following is the best oxidising agent?

  • A Cl-
  • B Cl2
  • C I-1
  • D Br-

Question - 10

Which of the following is the best reducing agent?

  • A Cl2
  • B Cl-
  • C I-1
  • D Br-