STATEMENT-1: when 2 faraday of charge is passed through 0.1 M `H_2SO_4` (aq) ,11.2 litre `O_2` evolved at STP. STATEMENT-2: Molecular mass of oxygen is 32
A
If both the statements are TRUE and STATEMENTS-2 is the correct explantion of STATEMENTS-1
B
If both the statements are TRUE but STATEMENTS-2 is NOT the correct explanation of STATEMENTS-2
C
If STATEMENTS-1 is TRUE and STATEMENTS-2 is FALSE
D
If STATEMENT-1 is FALSE and STATEMENT-2 is TRUE
Text Solution
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The correct Answer is:
B
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The questions consist of two atatements each, printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses : When 2 faraday of electricity is passed through 0.1 M H_2 SO_4 (aq) , 11 .2 liter O_2 evolved at STP. Molecular weight of oxygen is 32 .
STATEMENT-1: Gram molecular mass of O_(2) is 32. STATEMENT-2: Relative atomic mass of oxygen is 32 a.m.u.
The same quantity of electricity is passed through 0.1 M H_(2)SO_(4) and 0.1 M HCl. The amounts of H_(2) obtained at the cathodes are in the ratio
STATEMENT -1 : In 32 g of O_(2) , two gram of oxygen atom are present. and STATEMENT -2 : Molecular weight of O_(2) will be 32 g.
For preparing 0.1 M solution of H_(2)SO_(4) in one litre, we need H_(2)SO_(4)
Statement -1 : During the electrolysis of water, two faraday of charge will produce a total of 33.6 litre of gases at STP at electrodes. Statement -2 : In the electrolysis of water, two faraday of charge will produce half mole of H_(2) gas and one fourth mole of O_(2) gas.
Volume of gases evolved when dill. H_(2)SO_(4) is electrolysed using 2F at STP
