1
MHT CET 2024 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which reagent from following is used in Reimer-Tiemann reaction?

A
$\mathrm{CO}_2, 6 \mathrm{~atm} \mathrm{~H}_3 \mathrm{O}^{+}$
B
$\mathrm{CHCl}_3$, aq. $\mathrm{NaOH}, \mathrm{H}_3 \mathrm{O}^{+}$
C
$\mathrm{CS}_2$ (at low temperature)
D
$\mathrm{Na}_2 \mathrm{Cr}_2 \mathrm{O}_7 / \mathrm{H}_2 \mathrm{SO}_4$
2
MHT CET 2024 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the number of octahedral voids present in 0.2 mol of a compound forming hcp structure?

A
$1.204 \times 10^{23}$
B
$2.387 \times 10^{23}$
C
$3.011 \times 10^{23}$
D
$3.321 \times 10^{23}$
3
MHT CET 2024 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the percentage atom economy when formula weight of product obtained is 70 u and the sum of formula weight of reactant is 140 u ?

A
$30 \%$
B
$35 \%$
C
$50 \%$
D
$75 \%$
4
MHT CET 2024 11th May Morning Shift
MCQ (Single Correct Answer)
+2
-0

$$\int \frac{x \mathrm{~d} x}{(x-1)^2(x+2)}=$$

A
$\frac{2}{9} \log (x-1)+\frac{1}{3} \times \frac{1}{x-1}+\frac{2}{9} \log (x+2)+\mathrm{c}$, where c is a constant of integration
B
$\frac{2}{9} \log (x-1)-\frac{1}{3} \times \frac{1}{(x-1)}+\frac{2}{9} \log (x+2)+\mathrm{c}$, where c is a constant of integration
C
$\frac{2}{9} \log (x-1)+\frac{1}{3} \times \frac{1}{x-1}-\frac{2}{9} \log (x+2)+\mathrm{c}$, where c is a constant of integration
D
$\frac{2}{9} \log (x-1)-\frac{1}{3} \times \frac{1}{x-1}-\frac{2}{9} \log (x+2)+\mathrm{c}$, where c is a constant of integration
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