Plots showing the variation of the rate constant ($$k$$) with temperature ($$T$$) are given below. The point that follows Arrhenius equation is

The correct structure of ethylenediaminetetraacetic acid (EDTA) is

The ionisation isomer of $$\mathrm{[Cr(H_2O)_4Cl(NO_2)]Cl}$$ is

In the Newman projection for 2,2-dimethylbutane, X and Y can, respectively, be