1
IIT-JEE 2012 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1
Bleaching powder and bleach solution are produced on a large scale and used in several household products. The effectiveness of bleach solution is often measured by iodometry.
25 mL of household bleach solution was mixed with 30 mL of 0.50 M KI and 10 mL of 4 N acetic acid. In the titration of the liberated iodine, 48 mL of 0.25 N Na2S2O3 was used to reach the end point. The molarity of the household bleach solution is
2
IIT-JEE 2012 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
Which ordering of compounds is according to the decreasing order of the oxidation state of nitrogen?
3
IIT-JEE 2011 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
Extra very pure N2 can be obtained by heating
4
IIT-JEE 2010 Paper 2 Offline
MCQ (Single Correct Answer)
+8
-0
All the compounds listed in Column I react with water. Match the result of the respective reactions with the appropriate options listed in Column II.
Column I | Column II |
---|---|
(A) (CH3)2SiCl2 | (P) Hydrogen halide formation |
(B) XeF4 | (Q) Redox reaction |
(C) Cl2 | (R) Reacts with glass |
(D) VCl5 | (S) Polymerisation |
(T) O2 formation |
Questions Asked from p-Block Elements (MCQ (Single Correct Answer))
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