1
IIT-JEE 2009 Paper 2 Offline
Numerical
+3
-1

The number of water molecule(s) directly bonded to the centre in CuSO$$_4$$ . 5H$$_2$$O is __________.

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2
IIT-JEE 2009 Paper 2 Offline
Numerical
+3
-1

The coordination number of Al in the crystalline state of AlCl$$_3$$ is ___________.

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3
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 ____________.

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4
IIT-JEE 2009 Paper 2 Offline
Numerical
+3
-1
The smallest value of $$k$$, for which both the roots of the equation $$${x^2} - 8kx + 16\left( {{k^2} - k + 1} \right) = 0$$$ are real, distinct and have values at least 4, is
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