The molarity of OH- ion in the final solution, if 200ml of 8MHCl solution is mixed with 800ml of 2MCa(.OH(.)2 solution, is

Questions from NTA Abhyas 2020

1. Which reaction is suitable for preparing -Chloroacetic acid?

2. A mixture of methane and ethene in a molar ratio of has an average molecular mass of . The mean molar mass when they are mixed in the molar ratio of will be -

Some Basic Concepts of Chemistry

3. For a given reaction, energy of activation for forward reaction is and . A catalyst lowers to . The ratio of energy of activation for reverse reaction before and after addition of catalyst is:

Chemical Kinetics

4. 3 Faradays of electricity was passed through an aqueous solution of iron (II) bromide. The weight of iron metal (at. wt. = 56) deposited at the cathode (in g) is

Electrochemistry

5. Cyclohexene on ozonolysis followed by reaction with zinc dust and water gives compound E and compound E on further treatment with aqueous KOH yields compound F. Then compound F is

Aldehydes Ketones and Carboxylic Acids

Chemistry Most Viewed Questions

1. If for a certain reaction is at , the value of (in for which the same reaction will be spontaneous at the same temperature is

NEET 2020

2. If of a non-electrolyte solute is dissolved in of n-octane to reduce its vapour pressure to , the molar mass (in of the solute is [Given that molar mass of n-octane is

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3. An organic compound contains (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is: [Atomic wt. of is is ]

NEET 2021 Some Basic Concepts of Chemistry

4. At standard conditions, if the change in the enthalpy for the following reaction is Given that bond energy of and is and , respectively, what is the bond energy (in of ?

NEET 2020

5. The density of 2 M aqueous solution of NaOH is 1.28 g/cm. The molality of the solution is
[Given that molecular mass of NaOH = 40 g mol]

NEET 2019 Some Basic Concepts of Chemistry

Q. The molarity of ion in the final solution, if of solution is mixed with of solution, is

initially
moles
Finally
Ans.

Questions from NTA Abhyas 2020

1. Which reaction is suitable for preparing -Chloroacetic acid?

2. A mixture of methane and ethene in a molar ratio of has an average molecular mass of . The mean molar mass when they are mixed in the molar ratio of will be -

3. For a given reaction, energy of activation for forward reaction is and . A catalyst lowers to . The ratio of energy of activation for reverse reaction before and after addition of catalyst is:

4. 3 Faradays of electricity was passed through an aqueous solution of iron (II) bromide. The weight of iron metal (at. wt. = 56) deposited at the cathode (in g) is

5. Cyclohexene on ozonolysis followed by reaction with zinc dust and water gives compound E and compound E on further treatment with aqueous KOH yields compound F. Then compound F is

Chemistry Most Viewed Questions

1. If for a certain reaction is at , the value of (in for which the same reaction will be spontaneous at the same temperature is

2. If of a non-electrolyte solute is dissolved in of n-octane to reduce its vapour pressure to , the molar mass (in of the solute is [Given that molar mass of n-octane is

3. An organic compound contains (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is: [Atomic wt. of is is ]

4. At standard conditions, if the change in the enthalpy for the following reaction is Given that bond energy of and is and , respectively, what is the bond energy (in of ?

5. The density of 2 M aqueous solution of NaOH is 1.28 g/cm. The molality of the solution is
[Given that molecular mass of NaOH = 40 g mol]

Latest Updates

Q. The molarity of ion in the final solution, if of solution is mixed with of solution, is

initially moles Finally Ans.

Questions from NTA Abhyas 2020

1. Which reaction is suitable for preparing -Chloroacetic acid?

2. A mixture of methane and ethene in a molar ratio of has an average molecular mass of . The mean molar mass when they are mixed in the molar ratio of will be -

3. For a given reaction, energy of activation for forward reaction is and . A catalyst lowers to . The ratio of energy of activation for reverse reaction before and after addition of catalyst is:

4. 3 Faradays of electricity was passed through an aqueous solution of iron (II) bromide. The weight of iron metal (at. wt. = 56) deposited at the cathode (in g) is

5. Cyclohexene on ozonolysis followed by reaction with zinc dust and water gives compound E and compound E on further treatment with aqueous KOH yields compound F. Then compound F is

Chemistry Most Viewed Questions

1. If for a certain reaction is at , the value of (in for which the same reaction will be spontaneous at the same temperature is

2. If of a non-electrolyte solute is dissolved in of n-octane to reduce its vapour pressure to , the molar mass (in of the solute is [Given that molar mass of n-octane is

3. An organic compound contains (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is: [Atomic wt. of is is ]

4. At standard conditions, if the change in the enthalpy for the following reaction is Given that bond energy of and is and , respectively, what is the bond energy (in of ?

5. The density of 2 M aqueous solution of NaOH is 1.28 g/cm. The molality of the solution is [Given that molecular mass of NaOH = 40 g mol]

Latest Updates

initially
moles
Finally
Ans.

5. The density of 2 M aqueous solution of NaOH is 1.28 g/cm. The molality of the solution is
[Given that molecular mass of NaOH = 40 g mol]