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1
MHT CET 2024 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the general molecular formula of aldehydes?

A
$\mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}+1} \mathrm{O}$
B
$\mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}} \mathrm{O}$
C
$\mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}+1} \mathrm{O}_2$
D
$ \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}} \mathrm{O}_2$
2
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is Stephen reaction?

A
$\mathrm{R}-\mathrm{COCl} \xrightarrow[\mathrm{Pd}_2-\mathrm{BaSO}_4]{\mathrm{H}_2} \mathrm{R}-\mathrm{CHO}+\mathrm{HCl}$
B
$\mathrm{R}-\mathrm{CN} \xrightarrow[\text { ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {i) } \mathrm{SnCl}_2 . \mathrm{HCl}} \mathrm{R}-\mathrm{CHO}+\mathrm{NH}_4 \mathrm{Cl}$
C
$\mathrm{R}-\mathrm{CHO} \xrightarrow[\Delta]{\mathrm{Zn}-\mathrm{Hg} \text { conc. } \mathrm{HCl}} \mathrm{R}-\mathrm{CH}_3+\mathrm{H}_2 \mathrm{O}$
D
$\mathrm{R}-\mathrm{CHO} \xrightarrow[\text { ii) } \mathrm{KOH}, \mathrm{HO}_2-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{OH}]{\text{i)}\mathrm{H}_2 \mathrm{~N}}$ $\mathrm{R}-\mathrm{CH}_2-\mathrm{R}$
3
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following compounds when treated with ammoniacal silver nitrate exhibits silver mirror test?

A
Ethanol
B
Ethanal
C
Ethoxyethane
D
Ethanoic acid
4
MHT CET 2024 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What type of product is obtained when formaldehyde reacts with $\mathrm{CH}_3 \mathrm{MgBr}$ in dry ether?

A
Primary alcohol with same number of carbon atoms as in aldehyde.
B
Primary alcohol with one carbon atom more than aldehyde.
C
Secondary alcohol with one carbon atom more than aldehyde.
D
Tertiary alcohol with two carbon atoms more than aldehyde.
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