Chemical A when reacts with sodium carbonate forms compound BandC . The solution turns milky on passing CO2 from it. The chemical formula of AandB are respectively:

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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 -

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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:

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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

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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

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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

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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 ]

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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 ?

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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]

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Q. Chemical when reacts with sodium carbonate forms compound . The solution turns milky on passing from it. The chemical formula of are respectively:

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]

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Q. Chemical when reacts with sodium carbonate forms compound . The solution turns milky on passing from it. The chemical formula of are respectively:

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]

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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]