1
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
If the first ionisation enthalpy of $\mathrm{Li}, \mathrm{Be}$ and C respectively are $520,899,1086 \mathrm{~kJ} \mathrm{~mol}^{-1}$. The first ionisation enthalpy (in $\mathrm{kJ} \mathrm{mol}^{-1}$ ) of B will be
A
487
B
950
C
801
D
1402
2
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Match of following.
List I
(Element)
List II
(Electron gain enthalpy (in $\mathrm{kJ} \mathrm{mol}^{-1}$ )
A F I -141
B Cl II -328
C O III -200
D S IV -349
The correct answer is
A
A - II, B $-N, C-1, D-$ III
B
$A=N, B-N, C-I, D-B$
C
$A-$ III, $B-I I, C=I N, D-1$
D
A - I, B - ill, C - N, D - 1
3
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Identify the basic oxide from the following.
A
$\mathrm{C}_2 \mathrm{O}_3$
B
$\mathrm{CrO}_3$
C
$\mathrm{V}_2 \mathrm{O}_5$
D
$\mathrm{V}_2 \mathrm{O}_3$
4
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
$$X< Z< Y$$
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