Surface Chemistry Previous Year Questions. We covered all the Surface Chemistry Previous Year Questions in this post for free so that you can practice well for the exam.
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Surface Chemistry Previous Year Objective Questions for Students
Which one of the following compounds is used as a starting material for the preparation of potassium dichromate?
(A) K₂SO4.Cr2(SO4).24H2O
(B) K₂ CrO4
(C) Fe Cr₂04
(D) PbCrO4.PbO
Option c – Fe Cr₂04
Which one of the following compounds is formed when a mixture of K₂Cr2O7 and NaCl is heated with conc. H₂SO4?
(A) CrO₂Cl₂
(B) CrOCI₂
(C) CrO₂Cl
(D) (CrOCI)2
Option a – CrO₂Cl₂
Mohr’s salt is prepared from equimolar solutions of
(A) Green vitriol and potassium sulfate
(B) Green vitriol and ammonium sulfate
(C) Blue vitriol and potassium sulfate
(D) Blue vitriol and ammonium sulfate
Option b – Green vitriol and ammonium sulfate
Transition elements form binary compounds with halogens. Which of the following elements will form MF3-type compounds?
(A) Cr
(B) Co
(C) Both A and B
(D) Ni
Option c – Both A and B
Which of the following will not act as oxidizing agents?
(A) CrO3
(B) MoO3
(C) WO3
(D) Both B and C
Option d – Both B and C
Although +3 is the characteristic oxidation state for lanthanoids cerium also shows a +4 oxidation state because
(A) it has variable ionization enthalpy
(B) it has a tendency to attain a noble gas configuration
(C) it has a tendency to attain a configuration
(D) Both B and C
Option d – Both B and C
In the form of dichromate, Cr (VI) is a strong! the oxidizing agent in an acidic medium but Mo (VI) in Mo O3 and W(VI) in WO3 is not because
(A) Cr (VI) is more stable than Mo(VI) and W(VI).
(B) Mo(VI) and W(VI) are more stable than Cr(VI).
(C) Higher oxidation states of heavier members of group-6 of the transition series are more stable.
(D) Both B and C
Option d – Both B and C
Which of the following actinoids show oxidation states up to +7?
(A) Am
(B) Pu
(C) Np
(D) Both B and C
Option d – Both B and C
Which of the following lanthanoids show a +2 oxidation state besides the characteristic oxidation state +3 of lanthanoids?
(A) Ce
(B) Eu
(C) Yb
(D) Both B and C
Option d – Both B and C
We covered all the surface chemistry previous year questions above in this post for free so that you can practice well for the exam.
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