The mass of BaCO3 produced when excess CO2 is bubbled through a solution of 0.205 mole Ba(OH) is :
81 gm
40.5 gm
20.25 gm
162 gm
Would gaseous HCl be considered as an Arrhenius acid ?
Yes
No
Not known
Gaseous HCl does not exist
The degree of hydrolysis in hydrolytic equilibrium
A- + H2O HZ + OH-
at salt concentration of 0.001 M is :
(Ka = 1 × 10-5)
1 × 10-3
1 × 10-4
5 × 10-4
1 × 10-6
A compound contains 54.55% carbon, 9.09% hydrogen, 36.36% oxygen. The empirical formula of this compound is:
C3H5O
C4H8O2
C2H4O2
C2H4O
Equivalent weight of an acid :
depends on the reaction involved
depends upon the number of oxygen atoms present
is always constant
None of the above