Explain giving reasons
`Sn^(2+)` and `Fe^(3+)` cannot coexist in the same solution.

Explain giving reason CO_2 is a gas while silica is a solid.

Give reasons for the following. Copper cannot displace zinc from its salt solution.

Explain the following giving reason why HNO_3 can act as oxidising agent only while HNO_2 can act as both oxidising and reducing agent .

Give reasons : Al metal cannot be produced by the electrolysis of aqueous solution of Al salt.

Which aqueous solution has higher concentration 1 molar or 1 molal solution of the same solute? Give reason.

Give reason Conc HNO_3 can be transported in aluminium container

Give two reasons why aII minerals cannot be absorbed passively by the roots.

Give reasons: [COF_6]^(3-) is a high spin complex ion.