1
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify compound $$\mathrm{A}$$ in following reaction

Benzene + Ozone (excess) $$\rightarrow$$ Benzenetriozonide $$\xrightarrow{\mathrm{A}}$$ Glyoxal

A
conc. $$\mathrm{HNO}_3$$
B
$$\mathrm{Ni}$$
C
$$\mathrm{Zn}+\mathrm{H}_2 \mathrm{O}$$
D
$$\mathrm{Zn}$$
2
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following pairs of compounds is an example of metamerism?

A
But-2-ene and But-1-ene
B
m-Butane and 2-Methylpropane
C
Ethoxyethane and methoxypropane
D
Dimethyl ether and ethyl alcohol
3
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $$\mathrm{Q}$$ is the heat liberated from the system and $$\mathrm{W}$$ is the work done on the system then first law of thermodynamics can be written as,

A
$$\mathrm{Q}=\mathrm{W}-\Delta \mathrm{U}$$
B
$$\mathrm{Q}=\Delta \mathrm{U}-\mathrm{W}$$
C
$$\mathrm{Q}=\Delta \mathrm{U}+\mathrm{W}$$
D
$$\mathrm{Q}=-\mathrm{W}$$
4
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the number of atoms in 5 gram metal that crystallises to form simple cubic unit cell structure having edge length $$336 \mathrm{~pm}$$. (Density of metal $$=9.4 \mathrm{~g} \mathrm{~cm}^{-3}$$ )

A
$$1.0 \times 10^{22}$$
B
$$2.1 \times 10^{22}$$
C
$$1.4 \times 10^{22}$$
D
$$1.8 \times 10^{22}$$
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