1
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The reaction $2 \mathrm{~A}+\mathrm{B}+\mathrm{C} \longrightarrow \mathrm{D}+\mathrm{E}$ is found to be first order in A , second order in B and zero order in C . What is the effect of increasing concentration of all reactants twice?

A
Rate of reaction increases 8 times.
B
Rate of reaction increases 24 times.
C
Rate of reaction increases 36 times.
D
Rate of reaction remains unaffected.
2
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate mass in kg of $4.48 \mathrm{dm}^3$ carbon dioxide at STP.

A
$2.2 \times 10^{-3}$
B
  $4.4 \times 10^{-3}$
C
$6.6 \times 10^{-3}$
D
$8.8 \times 10^{-3}$
3
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the molar mass of solute in a solution prepared by dissolving 1 gram in $0.3 \mathrm{~dm}^3$ solvent having osmotic pressure 0.2 atm at 300 K.

$$\left[\mathrm{R}=0.082 \mathrm{~dm}^3 \mathrm{~atm} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right]$$

A
$442 \mathrm{~g} \mathrm{~mol}^{-1}$
B
$372 \mathrm{~g} \mathrm{~mol}^{-1}$
C
$390 \mathrm{~g} \mathrm{~mol}^{-1}$
D
$410 \mathrm{~g} \mathrm{~mol}^{-1}$
4
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the product obtained when chlorobenzene is heated with conc. $\mathrm{HNO}_3$ in presence of conc. $\mathrm{H}_2 \mathrm{SO}_4$.

A
Only 1-chloro-4-nitrobenzene
B
Only 1-chloro-2-nitrobenzene
C
Mixture of 1-chloro-4-nitrobenzene and 1-chloro-2-nitrobenzene
D
2,4,6-trinitrochlorobenzene
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