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Nitrogen has positive electron gain enth...

Nitrogen has positive electron gain enthalpy.Explain.

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Why does nitrogen posses positive electron-gain enthalpy?

Assertion (A) : N_(2) is less reactive than P_(4) . Reason (R) : Nitrogen has more electron gain enthalpy than phosphorus.

Which of the following will have the most negative electron gain enthalpy and which has the least negative? P, S, Cl, F. Explain your answer.

Which one of the group - 16 elements has the lowest negative electron gain enthalpy ?

Identify the halogen (F, Cl, Br or I) which has the highest negative electron gain enthalpy

Which of the following will have the most negative electron gain enthalpy and which the least negative ? P , S , Cl , F

Halogens have maximum negative electron gain enthalpy in the respective periods of the periodic table. Why?

Consider the elements N, P, O, S and arrange them in order of increasing negative electron gain enthalpy

Arrage the halogens in the order of decreasing negative electron gain enthalpy.

Arrage the halogens in the order of decreasing negative electron gain enthalpy.

UNITED BOOK HOUSE-MODEL QUESTION PAPER 2-EXERCISE
  1. Calculate the uncertainty in velocity of a moving object of mass 25 g,...

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  2. Which series of lines of the hydrogen spectrum lies in the visible reg...

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  3. Nitrogen has positive electron gain enthalpy.Explain.

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  4. Arrange Mg, Al, Si and Na in the increasing order of their ionisation ...

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  5. What are the characteristics of the transition elements and why are th...

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  6. Between Fe^2+ and Fe^3+ which is smaller in size?

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  7. ortho-nitrophenol is less soluble is water than p- and m-nitrophenols ...

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  8. Determine the number of sigma and pi bonds in sulphuric acid.

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  9. In case of CO3^(2-) ion,all the C-O bond lengths are equal explain.

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  10. Define co-ordination number.

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  11. Density of a gas is founded to be 5.46 g//dm^3 at 27^@C and at 2 bar p...

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  12. Critical temperature of NH3 and CO2 are 405.5 K and 304.10 K respectiv...

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  13. Calculate the standard enthalpy of reaction at25^@C temperature for th...

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  14. Calculate the entropy change, at 0^@C for the process H2O(s) rarr H2O(...

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  15. State the mathematical definition of enthalpy.

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  16. Mention the oxidation number of carbon atom in C6H12O6 molecule.

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  17. Balance the equations Cl2 + OH^(-) to Cl^(-) + ClO3^(-) + H2O

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  18. What is the oxidation number .of oxygen in Na2O2?

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  19. Balance . the following equation by oxidation number method : H2S + Cl...

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  20. What do you mean by ‘Non-stoichiometric hydrides'? Do you expect .this...

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