1
JEE Main 2016 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following species is stable in aqueous solution?
A
Cr2+
B
Cu+
C
MnO$$_4^{3 - }$$
D
MnO$$_4^{2 - }$$
2
JEE Main 2016 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following complexes will consume more equivalents of aqueous solution of Ag(NO3)?
A
Na3[CrCl6]
B
[Cr(H2O)5Cl]Cl2
C
[Cr(H2O)6]Cl3
D
Na2[CrCl5(H2O)]
3
JEE Main 2016 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify the correct trend given below : (Atomic No.=Ti : 22, Cr : 24 and Mo : 42)
A
$$\Delta $$o of [Cr(H2O)6]2+ >

[Mo(H2O)6]2+ and

$$\Delta $$o of [Ti(H2O)6]3+ > [Ti(H2O)6]2+
B
$$\Delta $$o of [Cr(H2O)6]2+ >

[Mo(H2O)6]2+ and

$$\Delta $$o of [Ti(H2O)6]3+ < [Ti(H2O)6]2+
C
$$\Delta $$o of [Cr(H2O)6]2+

< [Mo(H2O)6]2+ and

$$\Delta $$o of [Ti(H2O)6]3+ > [Ti(H2O)6]2+
D
$$\Delta $$o of [Cr(H2O)6]2+

< [Mo(H2O)6]2+ and

$$\Delta $$o of [Ti(H2O)6]3+ < [Ti(H2O)6]2+
4
JEE Main 2016 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A reaction at 1 bar is non-spontaneous at low temperature but becomes spontaneous at high temperature. Identify the correct statement about the reaction among the following :
A
Both $$\Delta $$H and $$\Delta $$S are negative.
B
Both $$\Delta $$H and $$\Delta $$S are positive.
C
$$\Delta $$H is positive while $$\Delta $$S is negative.
D
$$\Delta $$H is negative while $$\Delta $$S is positive.
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