AP EAPCET 2024 - 19th May Evening Shift | Periodic Table and Periodicity Question 9 | Chemistry

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

487

950

801

1402

AP EAPCET 2024 - 18th May Morning Shift

MCQ (Single Correct Answer)

-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 - II, B $-N, C-1, D-$ III

$A=N, B-N, C-I, D-B$

$A-$ III, $B-I I, C=I N, D-1$

A - I, B - ill, C - N, D - 1

AP EAPCET 2024 - 18th May Morning Shift

MCQ (Single Correct Answer)

-0

Identify the basic oxide from the following.

$\mathrm{C}_2 \mathrm{O}_3$

$\mathrm{CrO}_3$

$\mathrm{V}_2 \mathrm{O}_5$

$\mathrm{V}_2 \mathrm{O}_3$

AP EAPCET 2022 - 5th July Morning Shift

MCQ (Single Correct Answer)

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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

$$X< Y< Z$$

$$Y< Z< X$$

$$Z< X< Y$$

$$X< Z< Y$$

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