1
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

At $T(\mathrm{~K})$, the equilibrium constant for the reaction $\mathrm{H}_2(g)+\mathrm{Br}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{HBr}(\mathrm{g})$

is $1.6 \times 10^5$. If 10 bar of HBr is introduced into a sealed vessel at $T(\mathrm{~K})$, the equilibrium pressure of HBr (in bar) is approximately

A
10.20
B
10.95
C
9.95
D
11.95
2
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following will make a basic buffer solution?
A
100 mL of $0.1 \mathrm{M} \mathrm{CH}_3 \mathrm{COOH}+100 \mathrm{~mL}$ of 0.1 M NaOH
B
100 mL of $0.1 \mathrm{M} \mathrm{HCl}+100 \mathrm{~mL}$ of 0.1 M NaOH
C
50 mL of $0.1 \mathrm{M} \mathrm{KOH}+25 \mathrm{~mL}$ of $0.1 \mathrm{M} \mathrm{CH}_3 \mathrm{COOH}$
D
100 mL of $0.1 \mathrm{M} \mathrm{HCl}+200 \mathrm{~mL}$ of $0.1 \mathrm{M} \mathrm{NH}_4 \mathrm{OH}$
3
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The hydrides of which group elements are examples of electron precise hydrides?
A
Group 14 elements
B
Group 13 elements
C
Group 15 elements
D
Group 16 elements
4
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The correct order of density of $\mathrm{Be}, \mathrm{Mg}, \mathrm{Ca}, \mathrm{Sr}$ is
A
$\mathrm{Sr}>\mathrm{Be}>\mathrm{Mg}>\mathrm{Ca}$
B
$\mathrm{Be}>\mathrm{Mg}>\mathrm{Ca}>\mathrm{Sr}_r$
C
$\mathrm{Mg}>\mathrm{Ca}>\mathrm{Sr}>\mathrm{Be}$
D
$\mathrm{Ca}>\mathrm{Sr}>\mathrm{Be}>\mathrm{Mg}$
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