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

Observe the following statements

Statement I : The choice of reducing agent for the reduction of an oxide ore can be predicted by using Ellingham diagram, a plot of $\Delta G^{\ominus}$ vs $T$.

Statement II : According to Ellingham diagram, metal oxide with higher $\Delta G^{\ominus}$ is more stable than the oxide with lower $\Delta G^{\ominus}$.

The correct answer is

A

Both Statement I and II are correct.

B

Statement I is correct, but Statement II is not correct.

C

Statement I is not correct, but Statement II is correct.

D

Both Statement I and II are not correct.

2
TG EAPCET 2025 (Online) 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the orders is correctly matched with the property mentioned against it?

A

$\mathrm{H}_2 \mathrm{~S}<\mathrm{H}_2 \mathrm{O}<\mathrm{H}_2 \mathrm{Se}<\mathrm{H}_2 \mathrm{Te}$ (Boiling point)

B

$\mathrm{N}_2 \mathrm{O}<\mathrm{NO}<\mathrm{N}_2 \mathrm{O}_3<\mathrm{N}_2 \mathrm{O}_4<\mathrm{N}_2 \mathrm{O}_5$ (Acidic nature)

C

$\mathrm{HI}<\mathrm{HCl}<\mathrm{HBr}<\mathrm{HF}$ (Acidic nature)

D

$\mathrm{H}_2 \mathrm{O}<\mathrm{H}_2 \mathrm{~S}<\mathrm{H}_2 \mathrm{Se}<\mathrm{H}_2 \mathrm{Te}$ (Bond angle)

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

Noble gas ' $X$ ' is used as a diluent for oxygen in modern diving apparatus and noble gas ' $Y$ ' is used mainly to provide an inert atmosphere in high temperature metallurgical processes ' $Y$ ' and ' $X$ ' are respectively?

A

$\mathrm{He}, \mathrm{Ar}$

B

$\mathrm{Ar}, \mathrm{He}$

C

$\mathrm{He}, \mathrm{Kr}$

D

$\mathrm{Ar}, \mathrm{Kr}$

4
TG EAPCET 2025 (Online) 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The dibasic oxoacid of phosphorus on disproportionation given two products $A$ and $B . A$ and $B$ are respectively.

A

$\mathrm{HPO}_3, \mathrm{PH}_3$

B

$\mathrm{H}_3 \mathrm{PO}_2, \mathrm{H}_2 \mathrm{O}$

C

$\mathrm{H}_3 \mathrm{PO}_4, \mathrm{PH}_3$

D

$\mathrm{H}_4 \mathrm{P}_2 \mathrm{O}_6, \mathrm{H}_3 \mathrm{PO}_2$

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