1
IIT-JEE 2010 Paper 1 Offline
MCQ (Single Correct Answer)
+4
-1
The concentration of potassium ions inside a biological cell is at least twenty times higher than the outside. The resulting potential difference across the cell is important in several processes such as transmission of nerve impulses and maintaining the ion balance. A simple model for such a concentration cell involving a metal M is :
M(s) | M+ (aq ; 0.05 molar) || M+ (aq ; 1 molar) | M(s)
For the above electrolytic cell the magnitude of the cell potential | Ecell | = 70 mV.

If the 0.05 molar solution of M+ is replaced by a 0.0025 molar M+ solution, then the magnitude of the cell potential would be :
A
35 mV
B
70 mV
C
140 mV
D
700 mV
2
IIT-JEE 2010 Paper 1 Offline
Numerical
+3
-0
The concentration of R in the reaction R $$\to$$ P was measured as a function of time and the following data is obtained
[R] molar 1.0 0.75 0.40 0.10
t (min.) 0.0 0.05 0.12 0.18
The order of reaction is
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3
IIT-JEE 2010 Paper 1 Offline
Numerical
+3
-0
The number of neutrons emitted when $${}_{92}^{235}U$$ undergoes controlled nuclear fission to $${}_{54}^{142}Xe$$ and $${}_{38}^{90}Sr$$ is
Your input ____
4
IIT-JEE 2010 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

The correct statement about the following disaccharide is :

IIT-JEE 2010 Paper 1 Offline Chemistry - Biomolecules Question 5 English

A
Ring (a) is pyranonse with $$\alpha$$-glycosidic link.
B
Ring (a) is furanonse with $$\alpha$$-glycosidic link.
C
Ring (b) is furanonse with $$\alpha$$-glycosidic link.
D
Ring (b) is pyranonse with $$\alpha$$-glycosidic link.
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