Electrochemistr...

How much oxygen witt be liberated at $$N.T.P$$, by $$2A$$ current passing for $$3$$ minutes and $$13$$ seconds through acidulated water? (Equivalent weight of oxygen = $$8$$) 

Negative terminal of a dry cell is formed by:

Which of the following statement is correct-

A dry cell converts chemical energy into:

Charge produced in butane $$-O_{2}$$ Fuel cell if $$2\ mol$$ butane is consumed, will be

Same quantity of current is passed through molten NaCl and molten $$Al_{2}O_{3}$$. If 4.6 g of Na was deposited in one cell, the mass of Al deposited in other cell is:-

The cathode in the central compartment of Castner Kellner cell used for the manufacture of $$NaOH$$ is:

A reversible galvanic cell is connected to an external battery. If the EMF of the battery is less than the EMF of the galvanic cell, then the current:

Faraday laws hold good :

In hydrogen evolution type of corrosion with respect to hydrogen electrode which of the following is correct ?