1
IIT-JEE 2009 Paper 2 Offline
Numerical
+3
-1
The coordination number of Al in the crystalline state of AlCl$$_3$$ is ___________.
Your input ____
2
IIT-JEE 2009 Paper 2 Offline
Numerical
+3
-1
The total number of cyclic structural as well as stereoisomers possible for a compound with the molecular formula C$$_5$$H$$_{10}$$ is ____________.
Your input ____
3
IIT-JEE 2009 Paper 2 Offline
Numerical
+3
-1
Let $$\left( {x,\,y,\,z} \right)$$ be points with integer coordinates satisfying the system of homogeneous equation:
$$$\matrix{
{3x - y - z = 0} \cr
{ - 3x + z = 0} \cr
{ - 3x + 2y + z = 0} \cr
} $$$
Then the number of such points for which $$x^2 + {y^2} + {z^2} \le 100$$ is
Your input ____
4
IIT-JEE 2009 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2
For $$0 < \theta < {\pi \over 2},$$ the solution (s) of
$$$\sum\limits_{m = 1}^6 {\cos ec\,\left( {\theta + {{\left( {m - 1} \right)\pi } \over 4}} \right)\,\cos ec\,\left( {\theta + {{m\pi } \over 4}} \right) = 4\sqrt 2 } $$$ is (are)
Paper analysis
Total Questions
Chemistry
19
Mathematics
19
Physics
19
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