1
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two electrolytic cells are connected in series containing $\mathrm{CuSO}_4$ solution and molten $\mathrm{AlCl}_3$. If in electrolysis 0.4 moles of 'Cu' are deposited on cathode of first cell. The number of moles of 'Al' deposited on cathode of the second cell is

A
0.6 moles
B
0.27 moles
C
0.18 moles
D
0.4 moles
2
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Mandelonitrile is obtained by the reaction between hydrogen cyanide and

A
propionaldehyde
B
benzaldehyde
C
acetaldehyde
D
acetone
3
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The ionic charges on chromate ion and dichromate ion respectively is

A
$-2,-2$
B
$-3,-2$
C
$-2,-4$
D
$-4,-2$
4
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In the reaction, $\mathrm{C}_6 \mathrm{H}_5 \mathrm{COCH}_3 \xrightarrow[\mathrm{Zn}-\mathrm{Hg} / \text { conc. } \mathrm{HCl}]{[\mathrm{H}]} X,X$ is

A
toluene
B
methyl benzene
C
benzylalcohol
D
ethyl benzene
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