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 2013
MCQ (Single Correct Answer)
+4
-1
How many grams of concentrated nitric acid solution should be used to prepare 250 mL of 2.0 M HNO3? The concentrated acid is 70% HNO3.
A
70.0 g conc. HNO3
B
54.0 g conc. HNO3
C
45.0 g conc. HNO3
D
90.0 g conc. HNO3
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
6.02 $$ \times $$ 1020 molecules of urea present in 100 mL of its solution. The concentration of solution is
A
0.001 M
B
0.1 M
C
0.02 M
D
0.01 M
3
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Which has the maximum number of molecules among the following ?
A
44 g CO2
B
48 g O3
C
8 g H2
D
64 g SO2
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The number of atoms in 0.1 mol of a triatomic gas is (NA = 6.02 $$ \times $$ 1023 mol$$-$$1)
A
6.026 $$ \times $$ 1022
B
1.806 $$ \times $$ 1023
C
3.600 $$ \times $$ 1023
D
1.800 $$ \times $$ 1022
NEET Subjects