In a reaction, C r2O72 - is reduced to C r3 + . What will be the concentration of 0.1 M K2C r2O7 in equivalent per litre? Cr2O72 -+14H++6e- arrow 2Cr3 ++7H2O

Questions from NTA Abhyas 2022

1. How much will the reduction potential of a hydrogen electrode change when its solution initially at $p H = 0$ is neutralised to $p H = 7$

2. The compound which gives off oxygen on moderate heating is

3. An alkene on ozonolysis gives a mixture of two carbonyl compounds. Mixture on Clemmensen reduction gives just one alkane . is the lowest alkane which in pure form can not be prepared by standard Wurtz method. is

4. The degree of hydrolysis of which of the following salt is independent of the concentration of salt solution?

5. Arrange the following in order of increasing reactivity towards nucleophilic substitution reaction-

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

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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. 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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4. 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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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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6. Given below are half cell reactions:

Will the permanganate ion, liberate from water in the presence of an acid ?

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7. In water saturated air the mole fraction of water vapour is . If the total pressure of the saturated air is , the partial pressure of dry air is :

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8. The Henry’s law constant for the solubility of gas in water at is . The mole fraction of in air is . The number of moles of from air dissolved in moles of water at and pressure is

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9. When electromagnetic radiation of wavelength falls on the surface of a metal, electrons are emitted with the kinetic energy of . What is the minimum energy needed to remove an electron from the metal?

NEET 2022 Structure of Atom

10. The half life of a first order reaction is years. If the concentration after years is , then the initial concentration was :

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Q. In a reaction, is reduced to . What will be the concentration of in equivalent per litre?

Valence factor

Questions from NTA Abhyas 2022

1. How much will the reduction potential of a hydrogen electrode change when its solution initially at $p H = 0$ is neutralised to $p H = 7$

2. The compound which gives off oxygen on moderate heating is

3. An alkene on ozonolysis gives a mixture of two carbonyl compounds. Mixture on Clemmensen reduction gives just one alkane . is the lowest alkane which in pure form can not be prepared by standard Wurtz method. is

4. The degree of hydrolysis of which of the following salt is independent of the concentration of salt solution?

5. Arrange the following in order of increasing reactivity towards nucleophilic substitution reaction-

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. 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 ?

4. 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 ]

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]

6. Given below are half cell reactions:

Will the permanganate ion, liberate from water in the presence of an acid ?

7. In water saturated air the mole fraction of water vapour is . If the total pressure of the saturated air is , the partial pressure of dry air is :

8. The Henry’s law constant for the solubility of gas in water at is . The mole fraction of in air is . The number of moles of from air dissolved in moles of water at and pressure is

9. When electromagnetic radiation of wavelength falls on the surface of a metal, electrons are emitted with the kinetic energy of . What is the minimum energy needed to remove an electron from the metal?

10. The half life of a first order reaction is years. If the concentration after years is , then the initial concentration was :

Latest Updates

Q. In a reaction, is reduced to . What will be the concentration of in equivalent per litre?

Valence factor

Questions from NTA Abhyas 2022

1. How much will the reduction potential of a hydrogen electrode change when its solution initially at pH=0 is neutralised to pH=7

2. The compound which gives off oxygen on moderate heating is

3. An alkene on ozonolysis gives a mixture of two carbonyl compounds. Mixture on Clemmensen reduction gives just one alkane . is the lowest alkane which in pure form can not be prepared by standard Wurtz method. is

4. The degree of hydrolysis of which of the following salt is independent of the concentration of salt solution?

5. Arrange the following in order of increasing reactivity towards nucleophilic substitution reaction-

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. 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 ?

4. 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 ]

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]

6. Given below are half cell reactions: Will the permanganate ion, liberate from water in the presence of an acid ?

7. In water saturated air the mole fraction of water vapour is . If the total pressure of the saturated air is , the partial pressure of dry air is :

8. The Henry’s law constant for the solubility of gas in water at is . The mole fraction of in air is . The number of moles of from air dissolved in moles of water at and pressure is

9. When electromagnetic radiation of wavelength falls on the surface of a metal, electrons are emitted with the kinetic energy of . What is the minimum energy needed to remove an electron from the metal?

10. The half life of a first order reaction is years. If the concentration after years is , then the initial concentration was :

Latest Updates

1. How much will the reduction potential of a hydrogen electrode change when its solution initially at $p H = 0$ is neutralised to $p H = 7$

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]

6. Given below are half cell reactions:

Will the permanganate ion, liberate from water in the presence of an acid ?