Fine the magnetic moment of a divalent ion in aqueous solution if its atomic
Fine the magnetic moment of a divalent ion in aqueous solution if its atomic number is 25 Options (a) 3.9…
7 years ago
D and F Block Elements
Vanadium (III) oxide is a strong
Vanadium (III) oxide is a strong Options (a) drying agent (b) oxidising agent (c) reducing agent (d) wetting agent Correct…
7 years ago
In the brown ring test for the nitrate ion, the brown colour is due to
In the brown ring test for the nitrate ion, the brown colour is due to Options (a) [Fe(H₂O)₅NO]²⁺ (b) [Fe(H₂O)₅NO]³⁺…
7 years ago
Lanthanide contraction is due to increase in
Lanthanide contraction is due to increase in Options (a) shielding by 4f electrons (b) atomic number (c) effective nuclear charge…
7 years ago
Many transition metals and their compounds exhibit
Many transition metals and their compounds exhibit Options (a) perimagnetic behaviour (b) vander waal's behaviour (c) paramagnetic behaviour (d) diamagnetic…
7 years ago
The term platforming is
The term platforming is Options (a) platinum painting (b) flat sheet of platinum (c) platinum coating (d) platinum used as…
7 years ago
In the electrolytic refining of zinc
In the electrolytic refining of zinc Options (a) graphite is at the anode (b) the impure metals is at the…
7 years ago
All Cu(II) halides are known except the iodide. The reason for it is that
All Cu(II) halides are known except the iodide. The reason for it is that Options (a) iodide is a bulky…
7 years ago
Which one of the following statements about transition elements is incorrect
Which one of the following statements about transition elements is incorrect Options (a) They show variable oxidation states (b) All…
7 years ago
Which of the following is the green coloured powder produced when ammonium
Which of the following is the green coloured powder produced when ammonium dichromate is used in fire works Options (a)…
7 years ago