JEE Main entrance exam Question Bank Solutions for Chemistry (JEE Main)

The IUPAC symbol for the element with atomic number 119 would be ______.

The one that will show optical activity is: (en = ethane 1, 2-diamine)

ΔU is equal to ______.

One mole of an ideal gas is expanded isothermally and reversibly to half of its initial pressure. ΔS for the process in JK⁻¹ mol⁻¹ is ______.

[ln 2 = 0.693 and R = 8.314, J/(mol K)]

Which among the following is the strongest Bronsted base?

Assertion A: Aniline on nitration yields ortho, meta and para nitro derivatives of aniline.

Reason R: Nitrating mixture is a storng acidic mixture.
In the light of the above statements, choose the correct answer from the options given below: 

Thermal power plants can lead to ______.

Higher concentration of which gas in the air can cause stiffness of flower buds?

When the same amount of zinc is treated separately with an excess dilute sulphuric acid and excess sodium hydroxide, the ratio of volumes of hydrogen evolved is ______.  

The electronic configuration of Pt (atomic number 78) is ______.

Amongst baking soda, caustic soda and washing soda, carbonate anion is present in ______.

The number of terminal oxygen atoms present in the product B obtained from the following reactions is:

\[\ce{FeCr2O4 + Na2CO3 + O2 -> A + Fe2O3 + CO2}\]

\[\ce{A + H^+ -> B + H2O + Na^+}\]

The electrode potential of M²⁺/M of 3d-series elements shows the positive value for ______.

The type of pollution that gets increased during the day time and in the presence of O₃ is ______.

On heating Cu(NO₃)₂ strongly, the material finally obtained is ______.

The value of Δ₀ for \[\ce{RhCl^{3-}6}\] is 243 KJ/mol which wavelength of light will promote an electron from. The colour of the complex is ______.

The compound sprinkled on road to keep them wet and prevent dust from flying is ______.

Commercial hydrogen is obtained from ______.

E.N. of Si is ______. (Covalent radius of Si = 1.175 Å)

For adsorption of gas over solid surface following data is obtained at 300 K.

The slope of the graph between log P vs log x/m will be ______.

[x/m and P are in same units as given in question.]