1
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The correct statements among the following are

(i) saline hydrides produce $\mathrm{H}_2$ gas when reacted with water

(ii) presently $\sim 77 \%$ of the industrial dihydrogen is produced from coal

(iii) commercially marketed $\mathrm{H}_2 \mathrm{O}_2$ contains $3 \% \mathrm{H}_2 \mathrm{O}_2$

A
(i), (ii), (iii)
B
(i), (iii), only
C
(ii), (iii) only
D
(i), (ii) only
2
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two statements are given below :

I. In dry cleaning, the solvent $\mathrm{Cl}_2 \mathrm{C}=\mathrm{CCl}_2$ was earlier used and now it is replaced by liquefied $\mathrm{CO}_2$

II. In bleaching of paper, $\mathrm{H}_2 \mathrm{O}_2$ was used earlier and now it is replaced by chlorine gas. Correct anwer is

A
Statement I, Statement II both are correct.
B
Statement I, Statement II both are incorrect.
C
Statement I is correct but Statement II is incorrect.
D
Statement I is incorrect but Statement II is correct.
3
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
In which of the following reaction, dilhydrogen is not evolved?
A
Oxdation of sodium borchydride with iodine.
B
Hydrolysis of boranes.
C
Heaing the adduct formed by reaction of ammoria wth dborane.
D
Burning of diborane in oxygen.
4
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calcium carbide $$+\mathrm{D}_2 \mathrm{O} \longrightarrow \underline{X}+\mathrm{Ca}(\mathrm{OD})_2$$. The hybridisation of carbon atom(s) in $$X$$

A
$$s p^2$$
B
$$s p$$
C
$$s p^3$$
D
$$d s p^2$$
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