1
JEE Main 2023 (Online) 10th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The decreasing order of hydride affinity for following carbocations is:

JEE Main 2023 (Online) 10th April Evening Shift Chemistry - Basics of Organic Chemistry Question 61 English

Choose the correct answer from the options given below:

A
A, C, D, B
B
C, A, B, D
C
A, C, B, D
D
C, A, D, B
2
JEE Main 2023 (Online) 10th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Using column chromatography, mixture of two compounds 'A' and 'B' was separated. 'A' eluted first, this indicates 'B' has

A
high Rf, weaker adsorption
B
high Rf, stronger adsorption
C
low Rf, weaker adsorption
D
low Rf, stronger adsorption
3
JEE Main 2023 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct IUPAC nomenclature for the following compound is:

JEE Main 2023 (Online) 8th April Evening Shift Chemistry - Basics of Organic Chemistry Question 58 English

A
2 - Formyl -5-methylhexan-6-oic acid
B
5-Methyl-2-oxohexan-6-oic acid
C
5-Formyl -2-methylhexanoic acid
D
2-Methyl-5-oxohexanoic acid
4
JEE Main 2023 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The descending order of acidity for the following carboxylic acid is-

A. $$\mathrm{CH}_{3} \mathrm{COOH}$$

B. $$\mathrm{F}_{3} \mathrm{C}-\mathrm{COOH}$$

C. $$\mathrm{ClCH}_{2}-\mathrm{COOH}$$

D. $$\mathrm{FCH}_{2}-\mathrm{COOH}$$

E. $$\mathrm{BrCH}_{2}-\mathrm{COOH}$$

Choose the correct answer from the options given below:

A
B > C > D > E > A
B
D > B > A > E > C
C
B > D > C > E > A
D
E > D > B > A > C
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