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

A
0.48 M
B
0.96 M
C
0.24 M
D
0.024 M
2
IIT-JEE 2012 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

The reversible expansion of an ideal gas under adiabatic and isothermal conditions is shown in the figure. Which of the following statement(s) is(are) correct?

IIT-JEE 2012 Paper 2 Offline Chemistry - Thermodynamics Question 10 English

A
T1 = T2
B
T3 > T1
C
wisothermal > wadiabatic
D
$$\Delta$$Uisothermal > $$\Delta$$Uadiabatic
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.
4
IIT-JEE 2012 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

With reference to the scheme given, which of the given statement(s) about T, U, V and W is(are) correct?

IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 20 English

A
T is soluble in hot aqueous NaOH.
B
U is optically active.
C
Molecular formula of W is C10H18O4.
D
V gives effervescence on treatment with aqueous NaHCO3.
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