1
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is formed when $$\mathrm{SO}_3$$ is absorbed by concentrated $$\mathrm{H}_2 \mathrm{SO}_4$$ ?

A
$$\mathrm{H}_2 \mathrm{S}_2 \mathrm{O}_8$$
B
$$\mathrm{H}_2 \mathrm{S}_2 \mathrm{O}_3$$
C
$$\mathrm{H}_2 \mathrm{S}_2 \mathrm{O}_7$$
D
$$\mathrm{H}_2 \mathrm{S}_2 \mathrm{O}_5$$
2
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct statements about boron.

I. It has high melting point.

II. It has high density.

III. It has high electrical conductivity.

IV. B-10 isotope of it has high ability to absorb neutrons.

A
I and II only
B
II and III only
C
III and IV only
D
I and IV only
3
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Assertion (A) HCl gas is dried by passing through concentrated H$$_2$$SO$$_4$$.

Reason (R) HCl gas reacts with NH$$_3$$ that gives white fumes.

A
Both A and R are correct and R is the correct explanation of A.
B
Both A and R are correct and R is not the correct explanation of A.
C
A is correct but R is incorrect.
D
A is incorrect but R is correct.
4
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

What would be the product of following reaction?

$$\mathrm{SiCl}_4 \stackrel{\text { Excess of } \mathrm{H}_2 \mathrm{O}}{\longrightarrow} \text { ? (Major product) }$$

A
$$\mathrm{SiCl}_3(\mathrm{OH})$$
B
$$\mathrm{Si}(\mathrm{OH})_4$$
C
$$\mathrm{SiCl}_2(\mathrm{OH})_2$$
D
$$\mathrm{SiCl}_4$$ (no reaction)
AP EAPCET Subjects
EXAM MAP