1 ) Two moles of HI was heated . HI was found to 22 % decomposed . The Kc for dissociation ?
A ) 0.02 M , B
) 1.01 M ,
C ) 3.5 M , D ) None
of these ,
Correct
Answer : - A ) 0.02 M ,
solution
: -
2 )
The branch of chemistry which convert chemical energy into electrical energy
and electrical energy into chemical energy is called . . . . . . . . . . . . .
. . ( Electrochemistry ) .
3 )
When an electrical current passes through a solution (often of electrolytes ) ,
a cation or neutral molecules gets reduced at cathode and anion or neutral
molecules gets oxidized at anode .
4 )
Specify A and B : -
i ) A ) trans . B ). cis . ,
ii ) A ) cis
. B ). trans ,
iii ) A and B
both are trans . ,
iv ) A and B both are cis . ,
Answer
: - i ) A ) trans . B ). cis . ,
5 )
The equilibrium constant in a reversible chemical reaction . . . . . . . . . . . . . . on initial concentration of reactants .
A ) depend , B
) doesn't depend ,
C ) may or may not , D ) None of these ,
Correct
Answer : - B ) doesn't depend ,
6 )
The equilibrium constant for a reaction is ( A + 2B ------> 2C ) is 40
. The equilibrium constant for reaction
is ( C -----> B + (1/2)A ) is : -
A ) √ ( 1 / 20 ) , B
) √ ( 1 / 30 ) ,
C ) √ ( 1 / 40 ) , D
) None of these ,
Correct
Answer : -
Solution
: -
