Some Basic Concepts of Chemistry NEET Questions. We covered all the Some Basic Concepts of Chemistry NEET Questions in this post for free so that you can practice well for the exam.
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Some Basic Concepts of Chemistry NEET Objective Questions for Students
Spiess, the residue which settles down during smelting contains mainly arsenides of
(A) Co
(B) Ni
(C) None of these
(D) Both (A) & (B)
Option d – Both (A) & (B)
‘Mn’ shows oxidation states from +2 to +7. The most strongly oxidizing state known in aqueous solution is
(A) +2
(B) +3
(C) +4
(D) +7
Option d – +7
The sulfide of transition metal insoluble in 50% HNO3 is
(A) Hg
(B) Cr
(C) Cu
(D) Cd
Option a – Hg
The oxidation state of mercury in Nessler’s reagent is
(A) +2
(B) +1
(C) Zero
(D) -1
Option a – +2
The correct order of increasing acidic nature for the following is
(A) MnO < Mn2O3 < MnO2 < MnO3 < Mn2O7
(B) MnO2 < MnO < Mn203 < MnO3 < Mn2O7
(C) Mn2O7 < MnO3 < MnO2 < Mn2O3 < MnO
(D) None of these
Option a – MnO
Which oxide of manganese is amphoteric?
(A) MnO
(B) MnO2
(C) Mn2O7
(D) Mn2O3
Option b – MnO2
In the first transition, series the highest stable oxidation state is shown by
(A) Cr
(B) Mn
(C) V
(D) Fe
Option b – Mn
Gold can show oxidation states
(A) +1, +3
(B) +1, +2
(C) +1, +2, +3
(D) +2, +3
Option a – +1, +3
Misch metal contains iron to the extent of
(A) 25%
(B) 15%
(C) 5%
(D) 20%
Option c – 5%
In the first transition series element which is least abundant in the earth’s crust is
(A) Cr
(B) Ti
(C) Co
(D) Sc
Option d – Sc
Adam’s catalyst contains
(A) TiCl4
(B) Pt/PtO
(C) (CH3)2SiCl2
(D) None of these
Option b – Pt/PtO
Which of the following compounds has color but no unpaired electrons?
(A) KMnO4
(B) K₂MnO4
(C) MnSO4
(D) MnCl2
Option a – KMnO4
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