1
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
In the extraction of iron, the reaction which occurs at $900-1500 \mathrm{~K}$ in the blast furnace is
A
$\mathrm{Fe}_2 \mathrm{O}_3+3 \mathrm{C} \longrightarrow 2 \mathrm{Fe}+3 \mathrm{CO}$
B
$\mathrm{FeO}+\mathrm{CO} \longrightarrow \mathrm{Fe}+\mathrm{CO}_2$
C
$3 \mathrm{Fe}_2 \mathrm{O}_3+\mathrm{CO} \longrightarrow 2 \mathrm{Fe}_3 \mathrm{O}_4+\mathrm{CO}_2$
D
$\mathrm{Fe}_3 \mathrm{O}_4+4 \mathrm{CO} \longrightarrow 3 \mathrm{Fe}+4 \mathrm{CO}_2$
2
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Hydrolysis of $\mathrm{XeF}_4$ gives $\mathrm{HF}, \mathrm{O}_2, \mathrm{Xe}$ and ' $X$ '. The structure of ' $X$ ' is
A
pyramidal
B
square pyramidal
C
octahedral
D
square planar
3
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Acidification of chromate gives ' $Z$ '. The oxidation state of chromium in ' $Z$ ' is
A
+3
B
+6
C
+7
D
+2
4
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Arrange the following in the increasing order of their magnetic moments

I. $\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-}$

II. $\left[\mathrm{Mn} \mathrm{Cl}_6\right]^{3-}$

III. $\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$

IV. $\left[\mathrm{FeF}_6\right]^{3-}$

A
III $<$ I $<$ IV $<$ II
B
III $<$ IV $<$ II $<$ I
C
IV $<$ II $<$ I $<$ III
D
III $<$ I $<$ II $<$ IV
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