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There are two reasons: increasing atomic size and increasing shielding effect.
Increasing atomic size - As you go down the Group, the atom size becomes larger, therefore the electron that must be rem...

1a) Strong acids fully dissociate in water, whereas weak acids only partially dissociate in water - thus forming an equilibrium mixture.
1b) See diagram.

Fe²⁺ has an electron configuration of 1s²2s²2p⁶3s²3p⁶3d⁶. When the ligands of the solution bind to the metal ion the d-orbitals...

Hydrocarbons have Hydrogen-Carbon bonds and carbon-carbon bonds. The formula is H_nC_2n+2This is made clear when diagrams are drawn from different hydrocarbons and you can deduce this ...

Within benzene the electrons within the pi-system are delocalised. This means the electrons are spread across the whole ring and has a lower electron density making it less susceptible to electrophilic at...