1
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
At $27^{\circ} \mathrm{C}$, the degree of dissociation of weak acid ( $\mathrm{H} A$ ) in its 0.5 M aqueous solution is $1 \%$. Its $K_e$, value is approximately
A
$5 \times 10^{-6}$
B
$5 \times 10^{-5}$
C
$5 \times 10^{-6}$
D
$5 \times 10^{-8}$
2
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Aluminium carbide on reaction with $\mathrm{D}_2 \mathrm{O}$ gives $\mathrm{Al}(O D)_3$ and ' $X^{\prime}$. What is ' $X^{\prime}$ '?
A
$\mathrm{C}_2 \mathrm{D}_2$
B
$\mathrm{C}_2 \mathrm{D}_4$
C
$\mathrm{C}_2 \mathrm{D}_4$
D
$\mathrm{CD}_4$
3
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Lithium forms an alloy with ' $X$ '. This alloy is used to make armour plates. What is ' $X$ ' ?
A
Mg
B
Pb
C
Al
D
Cr
4
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.
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