1
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.
2
AP EAPCET 2021 - 20th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$\mathrm{H}_3 \mathrm{BO}_3$$ or $$\mathrm{B}(\mathrm{OH})_3$$ is considered as an acid because its molecule

A
combines with proton from water molecule
B
accepts $$\mathrm{OH}^{-}$$ from water, releasing a proton
C
contains replaceable $$\mathrm{H}^{+}$$ ion
D
can donate proton easily
3
AP EAPCET 2021 - 20th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Xenon best reacts with

A
neutral atoms
B
most electronegative elements
C
most electropositive elements
D
transition elements
4
AP EAPCET 2021 - 20th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

The correct order of acidic character of the following is

A
$$\mathrm{H}_2 \mathrm{O}>\mathrm{H}_2 \mathrm{~S}>\mathrm{H}_2 \mathrm{Se}>\mathrm{H}_2 \mathrm{Te}$$
B
$$\mathrm{H}_2 \mathrm{Se}>\mathrm{H}_2 \mathrm{~S}>\mathrm{H}_2 \mathrm{O}>\mathrm{H}_2 \mathrm{Te}$$
C
$$\mathrm{H}_2 \mathrm{Te}>\mathrm{H}_2 \mathrm{Se}>\mathrm{H}_2 \mathrm{~S}>\mathrm{H}_2 \mathrm{O}$$
D
$$\mathrm{H}_2 \mathrm{Te}>\mathrm{H}_2 \mathrm{~S}>\mathrm{H}_2 \mathrm{Se}>\mathrm{H}_2 \mathrm{O}$$

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