1
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following does not exist?

A

$\left[\mathrm{SiCl}_6\right]^2$

B

$\left[\mathrm{GeCl}_6\right]^{2-}$

C

$\left[\mathrm{SiF}_6\right]^{2-}$

D

$\left[\mathrm{Sn}(\mathrm{OH})_6\right]^{2-}$

2
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Gas $X$ is obtained in Deacon's process. X on reacting with iodine and water gives

A

$\mathrm{HIO}_4$

B

$\mathrm{HIO}_2$

C

HIO

D

$\mathrm{HIO}_3$

3
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct sets

(i) Boron fibres - bullet proof vest

(ii) Metal borides - protective shields

(iii) Borax - glass wool

Correct option is

A
i, ii only
B
i, ii, iii
C
i, iii only
D
ii, iii only
4
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

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