1
JEE Main 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
The reaction of zinc with dilute and concentrated nitric acid, respectively, produces :
A
NO2 and NO
B
NO and N2O
C
NO2 and N2O
D
N2O and NO2
2
JEE Main 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following compounds is metallic and ferromagnetic ?
A
CrO2
B
VO2
C
MnO2
D
TiO2
3
JEE Main 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following complexes shows optical isomerism?
(en = ethylenediamine)
A
cis[Co(en)2Cl2]Cl
B
trans[Co(en)2Cl2]Cl
C
[Co(NH3)4Cl2]Cl
D
[Co(NH3)3Cl3]
4
JEE Main 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
The pair having the same magnetic moment is :
[At. No.: Cr = 24, Mn = 25, Fe = 26, Co = 27]
A
[Cr(H2O)6]2+ and [Fe(H2O)6]2+
B
[Mn(H2O)6]2+ and [Cr(H2O)6]2+
C
[CoCl4]2– and [Fe(H2O)6]2+
D
[Cr(H2O)6]2+ and [CoCl4]2–
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