JEE MAIN 2019 QUESTION PAPER ANALYSIS (Chemistry Section)

Today, we are the analysis of JEE Main 2019 Paper section chemistry. It was held on 09 Jan 2019. We are trying to solve some questions here. for more detail, you can watch our youtube video.

Aluminium is usually found in +3 Oxidation State. In contrast,
Thallium exists in +1 and +3 oxidation states. This is due to:

4. Insert pair Effect

Which amongst the following is the Strongest Acid?

2. CH(CN)3

The compounds A and B in the following reaction are, respectively: (see on the picture).

3. A = Benzyl chloride, B = Benzyl isocyanide

In general, the properties that decrease and increase down a group in the periodic table, respectively, are:
( See on image)

2. Electronegativity and atomic radius.

The increasing order of pKa of the following amino acids in aqueous solution is :
Gly Asp Lys Arg

2. Asp < Gly < Lys < Arg

Arrange the following amines in the decreasing order of basicity: (see on image)

4. III > I > II

The one that is extensively used as a piezoelectric material is:

2. quartz

The major product of the following reaction is:

2. RCHO

The correct decreasing order for acid strength is :

2. NO2CH2COOH > NCCH2COOH > FCH2COOH > ClCH2COOH

The isotopes of Hydrogen are :

2. Protium, deuterium and tritium

The ore that contains both iron and copper is:

3. copper pyrites

According to molecular orbital theory, which of the following is true with respect to Li2+ and Li2- ?

3. Both are stable

for download more question paper click on the below link.

JEE Main 2019 Question Paper

JEE MAIN 2019 QUESTION PAPER ANALYSIS

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