AP EAPCET 2022 - 5th July Morning Shift | Periodic Table and Periodicity Question 1 | Chemistry

In which of the following oxides of three elements $$X, Y$$ and $$Z$$ are correctly arranged in the increasing order of acidic nature. The electronic configurations of $$X, Y$$ and $$Z$$ are $$[\mathrm{Ne}] 3 s^2 3 p^1, [\mathrm{Ne}] 3 s^2 3 p^5$$. [Ne] $$3 s^2$$ respectively

$$X< Y< Z$$

$$Y< Z< X$$

$$Z< X< Y$$

$$X< Z< Y$$

AP EAPCET 2022 - 5th July Morning Shift

MCQ (Single Correct Answer)

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Assertion (A) 16 th group elements have higher ionisation enthalpy values than 15 th group elements in the corresponding periods.

Reason (R) 15 th group elements have half-filled stable electronic configurations.

Both A and R are correct and R is the correct explanation of A.

Both A and R are correct but R is not the correct explanation of A.

A is correct but R is incorrect

A is incorrect but R is correct

AP EAPCET 2022 - 5th July Morning Shift

MCQ (Single Correct Answer)

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Assertion (A) Fluorine has smaller negative electron gain enthalpy than chlorine.

Reason (R) The electron-electron repulsion is higher in chlorine than in fluorine.

Both A and R are correct and R is the correct explanation of A .

Both A and R are correct but R is not the correct explanation of A .

A is correct but R is incorrect

A is incorrect but R is correct

AP EAPCET 2022 - 4th July Evening Shift

MCQ (Single Correct Answer)

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In which of the following, elements are arranged in the correct order of their electron gain enthalpies?

$$\mathrm{F}>\mathrm{S}>\mathrm{O}>\mathrm{N}$$

$$\mathrm{F}>\mathrm{O}>\mathrm{S}>\mathrm{N}$$

$$\mathrm{F}>\mathrm{O}>\mathrm{N}>\mathrm{S}$$

$$\mathrm{F}>\mathrm{N}>\mathrm{O}>\mathrm{S}$$

AP EAPCET Subjects