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

Choose the correct statement about allotropes of carbon.

I. Graphite has layered structure.

II. Buckminster fullerene is not aromatic in nature.

III. The distance between two adjacent layers in graphite is 141.5 pm .

IV. The hybridisation of carbon in graphite and Buckminster fullerene is same.

A

I and IV

B

I and II

C

II and III

D

III and IV

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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