Chemistry-
General
Easy
Question
A) The aqueous solution of 
is alkaline in nature.
R) Acetate ion undergoes an ionic hydrolysis
- If both (A) and (R) are correct and (R) is the correct explanation for (A)
- If both (A) and (R) are correct but (R) is not the correct explanation for (A)
- If (A) is correct, but (R) is incorrect.
- If both (A) and (R) are incorrect.
The correct answer is: If both (A) and (R) are correct and (R) is the correct explanation for (A)
Related Questions to study
Chemistry-
A) At 
, the pH of 
M HCl is 8.
R) pH of acidic solution is always below 7 at
A) At , the pH of M HCl is 8.
R) pH of acidic solution is always below 7 at
Chemistry-General
Chemistry-
A) When small amount of an acid or base is added to pure water its pH undergoes a change
R) Addition of an acid or a base increases the degree of ionization of water
A) When small amount of an acid or base is added to pure water its pH undergoes a change
R) Addition of an acid or a base increases the degree of ionization of water
Chemistry-General
Chemistry-
The weak acid, HA has a 
of 
. If 
of this acid is dissolved in one litre of water, the percentage of acid dissociated at equilibrium is closet to:
The weak acid, HA has a of . If of this acid is dissolved in one litre of water, the percentage of acid dissociated at equilibrium is closet to:
Chemistry-General
Chemistry-
The ionization constant of ammonium hydroxide is 
at 
. Hydrolysis constant of ammonium chloride is:
The ionization constant of ammonium hydroxide is at . Hydrolysis constant of ammonium chloride is:
Chemistry-General
Chemistry-
The molar solubility (in mol 
) of a sparingly soluble salt 
is The corresponding solubility product 
is given by the relation
The molar solubility (in mol ) of a sparingly soluble salt is The corresponding solubility product is given by the relation
Chemistry-General
Chemistry-
Acetyl salicylic acid 
called aspirin is a pain killer with 
= 2 If two tablets each of 0.09 g mass, containing aspirin are dissolved in 100 m solution Its pH will be:
Acetyl salicylic acid called aspirin is a pain killer with = 2 If two tablets each of 0.09 g mass, containing aspirin are dissolved in 100 m solution Its pH will be:
Chemistry-General
Chemistry-
Assuming compel. ionization witch will have maximum pH?
Assuming compel. ionization witch will have maximum pH?
Chemistry-General
Maths-
The solution set of 
in the interval 
is
The solution set of in the interval is
Maths-General
Maths-
is
is
Maths-General
Maths-
then the general value of 
is
then the general value of is
Maths-General
Maths-
The equation K 
possesses a solution if
The equation K possesses a solution if
Maths-General
Physics-
Mean life of a radioactive sample is 100 s. Then its half-life (in minutes) is
Mean life of a radioactive sample is 100 s. Then its half-life (in minutes) is
Physics-General
Physics-
The half-life period of a radioactive element is same as the mean lifetime of another radioactive element Y. Initially they have the same number of atoms. Then
The half-life period of a radioactive element is same as the mean lifetime of another radioactive element Y. Initially they have the same number of atoms. Then
Physics-General
Physics-
A cylinder of radius 
and thermal conductivity 
is surrounded by a cylindrical shell of linear radius and outer radius
, whose thermal conductivity is 
There is no loss of heat across cylindrical surfaces, when the ends of the combined system are maintained at temperatures 
. The effective thermal conductivity of the system, in the steady state is
A cylinder of radius and thermal conductivity is surrounded by a cylindrical shell of linear radius and outer radius, whose thermal conductivity is There is no loss of heat across cylindrical surfaces, when the ends of the combined system are maintained at temperatures . The effective thermal conductivity of the system, in the steady state is
Physics-General
Physics-
The efficiency of a Carnot engine is 50% and temperature of sink is 500 K. If temperature of source is kept constant and its efficiency raised to 60%, then the required temperature of sink will be
The efficiency of a Carnot engine is 50% and temperature of sink is 500 K. If temperature of source is kept constant and its efficiency raised to 60%, then the required temperature of sink will be
Physics-General
