Anhydrous ferric chloride is prepared by
Dissolving Fe(OH)3 in concentrated HCl
Dissolving Fe(OH)3 in dilute HCl
Passing dry HCl over heated iron scrap
Passing dry Cl2 gas over heated iron scrap
Additional Questions
Identify the ore not containing iron |
Answer |
Heating mixture of Cu2O and Cu2S will give |
Answer |
KMnO4 can be prepared from K2MnO4 as per the reaction: 3MnO2– The reaction can go to completion by removing OH– ions by adding |
Answer |
The correct order of $\text{E}_{\text{M}^{2+}/\text{M}}^o$ values with negative sign for the four successive elements Cr, Mn, Fe and Co is |
Answer |
Extraction for zinc blende is achieved by |
Answer |
Gold is extracted by hydro metallurgical process, based on its property |
Answer |
Which pair of compounds is expected to show similar colour in aqueous medium? |
Answer |
Least paramagnetic property is shown by |
Answer |
The oxidation number of Mn in the product of alkaline oxidative fusion of MnO2 is |
Answer |
The spin only magnetic moment of Fe2+ ion (in BM) is approximately |
Answer |