Recent questions asked in jee main 2020 (2 sep shift 1)

by JeeNeetQnA in States of Matter: Gases and Liquids asked Jan 24, 2021 1.7k views

Which one of the following graphs is not correct for ideal gas ? d = Density, P = Pressure, T = Temperature

3 like 0 dislike

2 answers

by JeeNeetQnA in Atomic Structure asked Jan 24, 2021 802 views

The figure that is not a direct manifestation of the quantum nature of atom is :

3 like 0 dislike

1 answer

by JeeNeetQnA in Some Basic Principles of Organic Chemistry asked Jan 23, 2021 1.4k views

The number of chiral carbons present in the molecule given below is ...

3 like 0 dislike

2 answers

by JeeNeetQnA in Electrochemistry asked Jan 23, 2021 1.2k views

The Gibbs energy change (in J) for the given reaction at [Cu2+] = [Sn2+] = 1 M and 298 K is :

3 like 0 dislike

1 answer

by JeeNeetQnA in Thermodynamics asked Jan 23, 2021 1.1k views

The internal energy change (in J) when 90 g of water undergoes complete evaporation at 100°C is ...

3 like 0 dislike

1 answer

by JeeNeetQnA in Redox Reactions asked Jan 23, 2021 422 views

The oxidation states of iron atoms in compounds (A), (B) and (C), respectively, are x, y and z. The sum of x, y and z is

3 like 0 dislike

1 answer

by JeeNeetQnA in Surface Chemistry asked Jan 23, 2021 740 views

The mass of gas adsorbed, x, per unit mass of adsorbate, m, was measured at various pressures, p. A graph between

3 like 0 dislike

1 answer

by JeeNeetQnA in Chemistry asked Jan 23, 2021 1.2k views

Consider the following reactions : (i) Glucose + ROH → dry HCl Acetal → (CH3CO)2O x eq. of acetyl derivative

2 like 0 dislike

1 answer

by JeeNeetQnA in Some Basic Principles of Organic Chemistry asked Jan 23, 2021 867 views

The IUPAC name for the following compound is :

The IUPAC name for the following compound is : (1) 2, 5-dimethyl-6-carboxy-hex-3-enal (2) 2, 5-dimethyl-5-carboxy-hex-3-enal (3) 6-formyl-2-methyl-hex-3-enoic (4) 2, 5-dimethyl-6-oxo-hex-3-enoic acid

3 like 0 dislike

1 answer

by JeeNeetQnA in Some Basic Principles of Organic Chemistry asked Jan 23, 2021 451 views

In Carius method of estimation of halogen, 0.172 g of an organic compound showed presence of 0.08 g of bromine.

3 like 0 dislike

1 answer

Page:

1
2
3
4
...
8
next »

...