Organic Chemistry
Some Basic Concepts of Organic Chemistry
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Alcohol, Phenols and Ethers
MCQ (Single Correct Answer)
Aldehydes, Ketones and Carboxylic Acids
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Organic Compounds Containing Nitrogen
MCQ (Single Correct Answer)
Chemistry in Everyday Life
MCQ (Single Correct Answer)
1
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus

Which of the following is a positively charged sol?

A
Methylene blue sol
B
Congo red sol
C
Silver sol
D
Sb$$_2$$S$$_3$$ sol
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus

Which one is an example of heterogenous catalysis?

A
Hydrolysis of sugar catalysed by $$\mathrm{H}^{+}$$ ions.
B
Decomposition of ozone is presence of nitrogen monoxide.
C
Combination between dinitrogen and dihydrogen to form ammonia in the presence of finely divided iron.
D
Oxidation of sulphur dioxide into sulphur trioxide in the presence of oxides of nitrogen.
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus

Pumice stone is an example of -

A
gel
B
solid sol
C
foam
D
sol
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus

Shown below are adsorption isotherms for a gas 'X' at temperatures T1, T2 and T3 :

NEET 2022 Phase 2 Chemistry - Surface Chemistry Question 4 English

p and $${x \over m}$$ represent pressure and extent of adsorption, respectively. The correct order of temperatures for the given adsorption is :

A
$${T_1} = {T_2} > {T_3}$$
B
$${T_1} > {T_2} > {T_3}$$
C
$${T_3} > {T_2} > {T_1}$$
D
$${T_1} = {T_2} = {T_3}$$
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