1
JEE Main 2024 (Online) 29th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Chromatographic technique/s based on the principle of differential adsorption is / are
A. Column chromatography
B. Thin layer chromatography
C. Paper chromatography
Choose the most appropriate answer from the options given below:
2
JEE Main 2024 (Online) 29th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Which of the following reaction is correct?
A
$$\mathrm{C}_2 \mathrm{H}_5 \mathrm{CONH}_2+\mathrm{Br}_2+\mathrm{NaOH} \rightarrow \mathrm{C}_2 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{NH}_2+\mathrm{Na}_2 \mathrm{CO}_3+\mathrm{NaBr}+\mathrm{H}_2 \mathrm{O}$$
B
C
D
$$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NH}_2 \xrightarrow[\mathrm{H}_2 \mathrm{O}]{\mathrm{HNO}_2, 0^{\circ} \mathrm{C}} \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}+\mathrm{N}_2+\mathrm{HCl}$$
3
JEE Main 2024 (Online) 29th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Anomalous behavior of oxygen is due to its
4
JEE Main 2024 (Online) 29th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Which one of the following will show geometrical isomerism?
A
B
C
D
Paper analysis
Total Questions
Chemistry
30
Mathematics
30
Physics
30
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