1
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

$\mathrm{H}_2 \mathrm{O}_2$ reduces $\mathrm{KMnO}_4$ in acidic medium to ' $x$ ' and in basic medium to ' $y$ '. What are $x$ and $y$ ?

A

$x=\mathrm{MnO}_2, y=\mathrm{Mn}^{2+}$

B

$x=\mathrm{Mn}^{2+}, y=\mathrm{MnO}_2$

C

$x=\mathrm{MnO}_4^{2-}, y=\mathrm{Mn}^{2+}$

D

$x=\mathrm{MnO}_2, y=\mathrm{MnO}_4^{2-}$

2
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which chloride does not exist as hydrate?
A

$\mathrm{MgCl}_2$

B

$\mathrm{CaCl}_2$

C

LiCl

D

KCl

3
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the incorrect statement about the group 13 elements.

A

Nature of aqueous solution of borax is alkaline.

B

Orthoboric acid is a weak tribasic acid.

C

Metaboric acid on heating gives an acidic oxide.

D

$\mathrm{LiBH}_4$ acts as a reducing agent.

4
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following statements are correct?

(I) $\mathrm{SnF}_4$ is ionic in nature.

(II) Stability of dihalides of group 14 elements increases down the group.

(III) $\mathrm{GeCl}_2$ is more stable than $\mathrm{GeCl}_4$.

A

I, II and III

B

I and III only

C

II and III only

D

I and II only