1
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.

2
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

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

Which of the following when present in excess in drinking water causes the disease methemoglobinemia?

A

$\mathrm{SO}_4^{2-}$

B

$\mathrm{NO}_3^{-}$

C

$\mathrm{F}^{-}$

D

Pb

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

$$ \text { IUPAC name of the following compound is } $$

AP EAPCET 2025 - 23rd May Evening Shift Chemistry - IUPAC Nomenclatures Question 2 English
A

2-methyl-4-ethylhexane

B

4-ethyl-2-methylhexane

C

5-methyl-3-ethylhexane

D

3-ethyl-5-methylhexane