GATE CY 2012 Question Paper (12-Feb-2012) (Shift-2)

A metal chelate that can be used for separation and quantitative analysis of aluminium ions by gas chromatography is

The enthalpies of hydration of $C{a}^{2+}$, $M{n}^{2+}$ and $Z{n}^{2+}$ follow the order

The number of terminal carbonyl groups present in $F{e}_2(CO{)}_9$ is

Among the following substituted silanes, the one that gives cross-linked silicone polymer upon hydrolysis is

The plot of $\chi T$ versus $T$ (where $\chi$ is molar magnetic susceptibility and $T$ is the temperature) for a paramagnetic complex which strictly follows Curie equation is