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In the following question a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question.
Assertion (A): Second ionization enthalpy will be higher the first ionization enthalpy.
Reason (R): Ionization enthalpy is a quantitative measure of the tendency of an element to lose electron.
- a)Both A and R are true and R is the correct explanation of A.
- b)Both A and R are true but R is not the correct explanation of A.
- c)A is true but R is false.
- d)Both A and R are false.
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
In the following question a statement of Assertion (A) followed by a ...
Second ionisation enthalpy is the energy required to remove a second electron from 1 mole of gaseous 1+ ions to give gaseous 2+ gives.
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Second ionisation energy is greater than first ionisation energy because after removal of first electrons, the nuclear charge increases and electrons are held more tightly by the nucleus. This is makes the removal of second electrons difficult and hence requires more energy.
Both assertion and reason are true but reason is not the correct explanation of assertion. It is difficult to remove an electron from a positively charged ion than a neutral atom.
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In the following question a statement of Assertion (A) followed by a ...
Explanation:
The correct option for the given question is option B - Both A and R are true but R is not the correct explanation of A.
Reasoning:
Let's break down the assertion and reason given in the question and analyze them separately:
Assertion (A): Second ionization enthalpy will be higher than the first ionization enthalpy.
The assertion states that the second ionization enthalpy will be higher than the first ionization enthalpy. Ionization enthalpy refers to the energy required to remove an electron from an atom or ion in the gaseous state.
When the first electron is removed from an atom, the ionization enthalpy is relatively low because the electron being removed is from the outermost shell. However, when the second electron is removed, it is being taken from a positively charged ion. The positive charge on the ion attracts the remaining electrons more strongly, making it more difficult to remove the second electron. Therefore, the second ionization enthalpy is generally higher than the first ionization enthalpy.
Reason (R): Ionization enthalpy is a quantitative measure of the tendency of an element to lose an electron.
The reason states that ionization enthalpy is a quantitative measure of the tendency of an element to lose an electron. Ionization enthalpy is a measure of the energy required to remove an electron from an atom or ion. It indicates the strength of the bond between the electron and the nucleus.
However, the reason does not directly explain why the second ionization enthalpy is higher than the first ionization enthalpy. It provides a general definition of ionization enthalpy but does not specifically address the relationship between the first and second ionization enthalpies.
Conclusion:
Based on the above analysis, we can conclude that both the assertion and reason are true. However, the reason does not provide a correct explanation for the assertion. Therefore, the correct option is B - Both A and R are true but R is not the correct explanation of A.
The correct option for the given question is option B - Both A and R are true but R is not the correct explanation of A.
Reasoning:
Let's break down the assertion and reason given in the question and analyze them separately:
Assertion (A): Second ionization enthalpy will be higher than the first ionization enthalpy.
The assertion states that the second ionization enthalpy will be higher than the first ionization enthalpy. Ionization enthalpy refers to the energy required to remove an electron from an atom or ion in the gaseous state.
When the first electron is removed from an atom, the ionization enthalpy is relatively low because the electron being removed is from the outermost shell. However, when the second electron is removed, it is being taken from a positively charged ion. The positive charge on the ion attracts the remaining electrons more strongly, making it more difficult to remove the second electron. Therefore, the second ionization enthalpy is generally higher than the first ionization enthalpy.
Reason (R): Ionization enthalpy is a quantitative measure of the tendency of an element to lose an electron.
The reason states that ionization enthalpy is a quantitative measure of the tendency of an element to lose an electron. Ionization enthalpy is a measure of the energy required to remove an electron from an atom or ion. It indicates the strength of the bond between the electron and the nucleus.
However, the reason does not directly explain why the second ionization enthalpy is higher than the first ionization enthalpy. It provides a general definition of ionization enthalpy but does not specifically address the relationship between the first and second ionization enthalpies.
Conclusion:
Based on the above analysis, we can conclude that both the assertion and reason are true. However, the reason does not provide a correct explanation for the assertion. Therefore, the correct option is B - Both A and R are true but R is not the correct explanation of A.
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In the following question a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question.Assertion (A): Second ionization enthalpy will be higher the first ionization enthalpy.Reason (R): Ionization enthalpy is a quantitative measure of the tendency of an element to lose electron.a)Both A and R are true and R is the correct explanation of A.b)Both A and R are true but R is not the correct explanation of A.c)A is true but R is false.d)Both A and R are false.Correct answer is option 'B'. Can you explain this answer?
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