Tetrakis(2-methoxyisobutylisocyanide)copper(I) tetrafluoroborate এর কাজ, ব্যবহারের নিয়ম

Answer: We have 1 mole of CuSO4 contains 1 mole of copper. Molar mass of CuSO4 = Atomic mass of [Cu × 1 + S × 1 + O × 4 ] =(63.5) + (32.00)...

Answer 2AgNO3 (aq) + Cu (s) → Cu(NO3)2 (aq) + 2Ag (s) Silver Nitrate + Copper → Copper Nitrate + Silver

Iron nails become reddish brown in colour and solution becomes green in colour.

(d) AgNO3 solution and copper metal

Copper reacts with moist carbon dioxide in air to form copper carbonate and as a result, copper vessel loses its shiny brown surface forming a green layer of copper carbonate....

If after electroplating a spoon with copper, the connections of the copper plate and the spoon are interchanged, the copper deposited on the spoon will start disappearing and going into...

(a) When dilute sulphuric acid is poured on a copper plate, there will be evolution of hydrogen gas along with the formation of blue color crystals of copper sulphate.  CuSO4 +...

Copper ion is positively charged. It is attracted towards the plate which is connected to the negative terminal of the battery. As copper ions are transferred to the thin copper...

[Hint  :  The solidied copper obtained has blistered appearance due to the evolution of SO2, so it is called blistered copper.]

[Hint : Froth Floatation.]