List of top Chemistry Questions on Organic Chemistry - Some Basic Principles and Techniques asked in KEAM

Which of the following cannot act as a nucleophile?

Which of the following is the most stable carbocation?

 

The total number of optical isomers possible for 2,3-dibromobutane is

The correct IUPAC name of the following compound is

Only $sp$ and $sp$ hybrid orbitals are involved in the formation of

Among the following, the optically active compound is

In hexa-$1,3$-diene-$5$-yne the number of $C-C \sigma, C-C \pi $ and $C-H \sigma$ bonds respectively are

Aniline is separated from aniline-water mixture by

Homolytic fission of a covalent bond leads to the formation of

In the estimation of sulphur by Carius method, $0.480\, g$ of an organic compound gives $0.699 \,g$ of barium sulphate. The percentage of sulphur in this compound is (Atomic masses: $Ba\, = 137, S = 32, 0 = 16)$

Lassaigne?s test (with silver nitrate) is commonly used to detect halogens such as chlorine, bromine and iodine but not useful to detect fluorin because the product $AgF$ formed is

Some carboxylic acids and their $IUPAC$ names are given below. Which of the following is not correctly matched?

The number of primary, secondary, tertiary and quaternary carbons in neopentane are respectively

Which among the following statements is correct with respect to the optical isomers?

$ C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OH $ and $ {{H}_{3}}CC{{H}_{2}}OC{{H}_{3}} $ are: