1
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following reaction represents Deacon's method?

A
$2 \mathrm{H}_2 \mathrm{O}+2 \mathrm{Cl}_2 \xrightarrow{\text { Sunlight }} 4 \mathrm{HCl}+\mathrm{O}_2$
B
$4 \mathrm{HCl}+\mathrm{O}_2 \xrightarrow[723 \mathrm{~K}]{\mathrm{CaCl}_2} 2 \mathrm{H}_2 \mathrm{O}+\mathrm{Cl}_2$
C
$2 \mathrm{NaCl}+2 \mathrm{H}_2 \mathrm{O} \xrightarrow{\text { Electrolysis }} 2 \mathrm{NaOH}+\mathrm{H}_2+\mathrm{Cl}_2$
D
$\mathrm{Ca}(\mathrm{OH})_2+\mathrm{Cl}_2 \longrightarrow \mathrm{CaOCl}_2 \cdot \mathrm{H}_2 \mathrm{O}$
2
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The number of lone pair of electrons present in the valence shell of xenon $(\mathrm{Z}=54)$ in $\mathrm{XeOF}_4, \mathrm{XeF}_4, \mathrm{XeF}_2$ and $\mathrm{XeF}_6$ are respectively

A
$1,2,3,1$
B
$2,1,2,2$
C
$3,1,2,1$
D
$1,3,2,0$
3
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The order of melting points of $\mathrm{Cr}, \mathrm{Mo}$ and W is

A
$\mathrm{Cr}>\mathrm{Mo}>\mathrm{W}$
B
$\mathrm{Mo}>\mathrm{Cr}>\mathrm{W}$
C
$\mathrm{W}>\mathrm{Mo}>\mathrm{Cr}$
D
$\mathrm{W}>\mathrm{Cr}>\mathrm{Mo}$
4
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the incorrect match from the following.

A
$\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Br}_2$ - Paramagnetic
B
$\mathrm{Na}_4\left[\mathrm{Fe}(\mathrm{CN})_6\right]$ - Diamagnetic
C
$\left[\mathrm{Ni}(\mathrm{CO})_4\right]$ - Paramagnetic
D
$\mathrm{Na}_2\left[\mathrm{NiCl}_4\right]$ - Paramagnetic
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