1
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The type of iron obtained from blast furnace in the extraction of iron is
A
wrought iron
B
pig iron
C
cast iron
D
steel
2
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

$\mathrm{Xe}(g)+2 \mathrm{~F}_2(g) \xrightarrow[7 \text { bar }]{873 \mathrm{~K}} \mathrm{XeF}_4(\mathrm{~s})$

The ratio of $\mathrm{Xe}: \mathrm{F}_2$ required in the above reaction is

A
$1: 2$
B
$1: 5$
C
$1: 20$
D
$1: 12$
3
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The transition metal with highest melting point is
A
Re
B
Cr
C
Mo
D
W
4
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Arrange the following in the increasing order of number of unpaired electrons present in the central metal ion

I. $\left[\mathrm{MnCl}_6\right]^{3-}$

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

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

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

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