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

What is the number of unpaired electrons present in $\left[\mathrm{CoF}_6\right]^{3-} ?$

A
4
B
3
C
2
D
1
2
MHT CET 2024 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following is called as Lucas reagent?

A
Conc. $\mathrm{HCl}+\mathrm{ZnCl}_2$
B
Neutral $\mathrm{FeCl}_3$ solution in water
C
$\mathrm{NaNO}_2+\mathrm{HCl}$ (dil.)
D
$\mathrm{CHCl}_3+\mathrm{NaOH}$
3
MHT CET 2024 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following salts turns red litmus blue in its aqueous solution?

A
$\mathrm{Na}_2 \mathrm{SO}_4$
B
$\mathrm{CH}_3 \mathrm{COONa}$
C
$\mathrm{NH}_4 \mathrm{NO}_3$
D
$\mathrm{CuCl}_2$
4
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
$\mathrm{Na}_2 \mathrm{Cr}_2 \mathrm{O}_7 / \mathrm{H}_2 \mathrm{SO}_4$
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