1
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What are the number of octahedral and tetrahedral voids in 0.3 mole substance respectively if it forms hcp structure?

A
$$1.8066 \times 10^{23}$$ and $$3.6132 \times 10^{23}$$
B
$$3.6132 \times 10^{23}$$ and $$1.8066 \times 10^{23}$$
C
$$6.022 \times 10^{23}$$ and $$12.044 \times 10^{23}$$
D
$$12.044 \times 10^{23}$$ and $$6.022 \times 10^{23}$$
2
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the molar mass of an element having density $$7.8 \mathrm{~g} \mathrm{~cm}^{-3}$$ that forms bcc unit cell. $$\left[\mathrm{a}^3 \cdot \mathrm{N}_{\mathrm{A}}=16.2 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]$$

A
$$63.18 \mathrm{~g} \mathrm{~mol}^{-1}$$
B
$$61.23 \mathrm{~g} \mathrm{~mol}^{-1}$$
C
$$59.31 \mathrm{~g} \mathrm{~mol}^{-1}$$
D
$$65.61 \mathrm{~g} \mathrm{~mol}^{-1}$$
3
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following compounds exhibits +2 oxidation state of oxygen?

A
$$\mathrm{H}_2 \mathrm{O}$$
B
$$\mathrm{SO}_2$$
C
$$\mathrm{OF}_2$$
D
$$\mathrm{H}_2 \mathrm{O}_2$$
4
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify substrate $$\mathrm{A}$$ in the following reaction.

$$\mathrm{A}+\mathrm{AgOH} \underset{\mathrm{ii)}~\Delta}{\stackrel{\text { i) moist } \mathrm{Ag}_2 \mathrm{O}}{\longrightarrow}} \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{~N}\left(\mathrm{CH}_3\right)_2+\mathrm{CH}_2=\mathrm{CH}_2$$

A
Diethyldimethyl ammonium halide
B
Ethyltrimethyl ammonium halide
C
Diethyldimethyl ammonium hydroxide
D
Ethyltrimethyl ammonium hydroxide
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