1
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

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

A
$$X< Y< Z$$
B
$$Y< Z< X$$
C
$$Z< X< Y$$
D
$$X< Z< Y$$
2
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

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.

A
Both A and R are correct and R is the correct explanation of A.
B
Both A and R are correct but R is not the correct explanation of A.
C
A is correct but R is incorrect
D
A is incorrect but R is correct
3
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

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

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

A
Both A and R are correct and R is the correct explanation of A .
B
Both A and R are correct but R is not the correct explanation of A .
C
A is correct but R is incorrect
D
A is incorrect but R is correct
4
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

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

A
$$\mathrm{F}>\mathrm{S}>\mathrm{O}>\mathrm{N}$$
B
$$\mathrm{F}>\mathrm{O}>\mathrm{S}>\mathrm{N}$$
C
$$\mathrm{F}>\mathrm{O}>\mathrm{N}>\mathrm{S}$$
D
$$\mathrm{F}>\mathrm{N}>\mathrm{O}>\mathrm{S}$$
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