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

In the face centered unit cell, the lattice points are present at

A
only the corners of the unit cell
B
the corners and the center of the unit cell
C
the corners and the face centres of the unit cell
D
only the face centres of the unit cell
2
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

If the $$K_{\mathrm{H}}$$ values for $$\operatorname{Ar}(g), \mathrm{CO}_2(g), \mathrm{HCHO}(g)$$ and $$\mathrm{CH}_4(\mathrm{~g})$$ respectively are $$40.39,1.67, 1.83 \times 10^{-5}$$ and $$0.413$$ , then identify the correct increasing order of their solubilities.

A
$$\mathrm{HCHO} < \mathrm{CH}_4 < \mathrm{CO}_2 < \mathrm{Ar}$$
B
$$\mathrm{HCHO} < \mathrm{CO}_2 < \mathrm{CH}_4 < \mathrm{Ar}$$
C
$$\mathrm{Ar} < \mathrm{CO}_2 < \mathrm{HCHO} < \mathrm{CH}_4$$
D
$$\mathrm{Ar} < \mathrm{CO}_2 < \mathrm{CH}_4 < \mathrm{HCHO}$$
3
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

If 500 mL of CaCl$$_2$$ solution contains 3.01 $$\times$$ 10$$^{22}$$ chloride ions, molarity of the solution will be

A
0.05 M
B
0.01 M
C
0.1 M
D
0.02 M
4
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which statement among the following is incorrect?

A
Unit of rate of reaction is $$\mathrm{m} \mathrm{s}^{-1}$$.
B
Unit of rate of disappearance is $$\mathrm{m} \mathrm{s}^{-1}$$.
C
Unit of rate constant $$k$$ depends upon order of reaction.
D
Unit of rate constant $$k$$ for a first order reaction is $$\mathrm{m} \mathrm{s}^{-1}$$.
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