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Questions
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1
IIT-JEE 2001 Screening
MCQ (Single Correct Answer)
+2
-0.5
The reaction, $$3Cl{O^ - }(aq)$$$$ \to ClO_3^ - (aq) + 2C{l^ - }(aq)$$ is an example of :
A
Oxidation reaction
B
Reduction reaction
C
Disproportionate reaction
D
Decomposition reaction
2
IIT-JEE 2001 Screening
MCQ (Single Correct Answer)
+2
-0.5
An aqueous solution of 6.3 g oxalic acid dehydrate is made up to 250ml. the volume of 0.1N NaOH required to completely neutralize 10ml of this solution is :
A
40ml
B
20ml
C
10ml
D
4ml
3
IIT-JEE 2001 Screening
MCQ (Single Correct Answer)
+2
-0.5
In the standardization of Na2S2O3 using K2Cr2O7 by iodometry, the equivalent weight of K2Cr2O7 is:
A
(molecular weight)/2
B
(molecular weight)/6
C
(molecular weight)/3
D
Same as molecular weight
4
IIT-JEE 2000 Screening
MCQ (Single Correct Answer)
+2
-0.5
Amongst the following identify the species with an atom in +6 oxidation state
A
$$MnO_4^ - $$
B
$$Cr(CN)_6^{3 - }$$
C
$$NiF_6^{2 - }$$
D
$$Cr{O_2}C{l_2}$$
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