Physical Chemistry
Some Basic Concepts of Chemistry
MCQ (Single Correct Answer)
Chemical Equilibrium
MCQ (Single Correct Answer)
Inorganic Chemistry
Periodic Table and Periodicity
MCQ (Single Correct Answer)
Chemical Bonding and Molecular Structure
MCQ (Single Correct Answer)
Hydrogen and It's Compounds
MCQ (Single Correct Answer)
d and f Block Elements
MCQ (Single Correct Answer)
Coordination Compounds
MCQ (Single Correct Answer)
Environmental Chemistry
MCQ (Single Correct Answer)
Organic Chemistry
IUPAC Nomenclatures
MCQ (Single Correct Answer)
General Organic Chemistry
MCQ (Single Correct Answer)
Haloalkanes and Haloarenes
MCQ (Single Correct Answer)
Alcohol, Phenols and Ethers
MCQ (Single Correct Answer)
Aldehyde and Ketone
MCQ (Single Correct Answer)
Carboxylic Acids and Its Derivatives
MCQ (Single Correct Answer)
Compounds Containing Nitrogen
MCQ (Single Correct Answer)
Chemistry in Everyday Life
MCQ (Single Correct Answer)
1
KCET 2021
MCQ (Single Correct Answer)
+1
-0

An organic compound $$X$$ on treatment with PCC in dichloromethane gives the compound $$Y$$. Compound $$Y$$ reacts with $$\mathrm{I}_2$$ and alkali to form yellow precipitate of triiodomethane. The compound $$X$$ is

A
$$\mathrm{CH}_3 \mathrm{CHO}$$
B
$$\mathrm{CH}_3 \mathrm{COCH}_3$$
C
$$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}$$
D
$$\mathrm{CH}_3 \mathrm{COOH}$$
2
KCET 2021
MCQ (Single Correct Answer)
+1
-0

KCET 2021 Chemistry - Aldehyde and Ketone Question 14 English

$$A, B$$ and $$C$$ respectively are

A
ethanol, ethane nitrile and ethyne
B
ethane nitrile, ethanol and ethyne
C
ethyne, ethanol and ethane nitrile
D
ethyne, ethane nitrile and ethanol
3
KCET 2021
MCQ (Single Correct Answer)
+1
-0

$$\begin{aligned} & \mathrm{CH}_3 \mathrm{CHO} \xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{CH}_3 \mathrm{MgBr}} A \xrightarrow[\Delta]{\text { Conc. } \mathrm{H}_2 \mathrm{SO}_4} \\ & B \xrightarrow[\text { (ii) } \mathrm{H}_2 \mathrm{O}, \mathrm{OH}^{-}]{\text {(i) } \mathrm{B}_2 \mathrm{H}_6} C \\ & \end{aligned}$$

$$A$$ and $$C$$ are

A
Identical
B
Position isomers
C
Functional
D
Optical isomers
4
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Which is the most suitable reagent for the following conversion?

KCET 2021 Chemistry - Aldehyde and Ketone Question 12 English

A
Tollen's reagent
B
Benzoyl peroxide
C
$$\mathrm{I}_2$$ and $$\mathrm{NaOH}$$ solution with subsequent acidification
D
$$\mathrm{Sn}$$ and $$\mathrm{NaOH}$$ solution
KCET Subjects