1
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

Given are 4 statements related to the chemical properties of Glucose.

Identify the two incorrect statements from the following.

A. It reacts with $$\mathrm{Br}_2$$ (aq) to form Saccharic acid.

B. Reacts with Acetic anhydride to form Glucose tetraacetate.

C. Reacts with Hydroxylamine to give Glucose oxime.

D. It reacts with ammoniacal $$\mathrm{AgNO}_3$$ to form ammonium salt of Gluconic acid with deposition of silver.

A
A & B
B
C & D
C
B & D
D
A & C
2
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

At $$700 \mathrm{~K}$$, the Equilibrium constant value for the formation of $$\mathrm{HI}$$ from $$\mathrm{H}_2$$ and $$\mathrm{I}_2$$ is 49.0 . 0.7 mole of $$\mathrm{HI}(\mathrm{g})$$ is present at equilibrium. What will be the concentrations of $$\mathrm{H}_2$$ and $$\mathrm{I}_2$$ gases if we initially started with $$\mathrm{HI}(\mathrm{g})$$ and allowed the reaction to reach equilibrium at the same temperature?

A
0.1195
B
0.3442
C
0.4692
D
0.521
3
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

A compound having molecular formula $$\mathrm{C}_4 \mathrm{H}_{11} \mathrm{N}$$, reacts with $$\mathrm{CHCl}_3$$ in alcoholic $$\mathrm{KOH}$$, on heating, to form a compound with a foul smell. Identify the optically active isomer of the compound which also shows the above reaction.

A
2-Methylpropan-1-amine
B
Butan-1-amine
C
Butan-2-amine
D
N-Methylpropan-1-amine
4
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

A Hydrocarbon [A] (molecular formula $$\mathrm{C}_3 \mathrm{H}_6$$) on reaction with $$\mathrm{Br}_2 / \mathrm{CCl}_4$$ gave [B]. When [B] is heated with 2 moles of alcoholic $$\mathrm{KOH}$$, it gave compound [C]. 3 moles of Compound [C] when passed through red hot Iron tube forms [D]. Identify [D].

A
Polypropene
B
Benzene
C
Polystyrene
D
1, 3, 5- Trimethylbenzene
EXAM MAP