1
JEE Advanced 2014 Paper 1 Offline
MCQ (More than One Correct Answer)
+3
-0.75
Upon heating with Cu2S, the reagent(s) that give copper metal is/are
A
CuFeS2
B
CuO
C
Cu2O
D
CuSO4
2
JEE Advanced 2014 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2
The pair(s) of reagents that yield paramagnetic species is/are
A
Na and excess of NH3
B
K and excess of O2
C
Cu and dilute HNO3
D
O2 and 2-ethylanthraquinol
3
IIT-JEE 2012 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

For the given aqueous reactions, which of the statement(s) is(are) true?

IIT-JEE 2012 Paper 2 Offline Chemistry - d and f Block Elements Question 6 English

A
The first reaction is a redox reaction.
B
White precipitate is Zn3[Fe(CN)6]2.
C
Addition of filtrate to starch solution gives blue colour.
D
White precipitate is soluble in NaOH solution.
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