[Download PDF] NTA JEE Main 5th September 2020 Shift 2

Instructions

For the following questions answer them individually

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 26

The correct statement about probability density (except at infinite distance from nucleus) is:

Solution

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 27

The correct order of the ionic radii of $$\text{O}^{2-}$$, $$\text{N}^{3-}$$, $$\text{F}^-$$, $$\text{Mg}^{2+}$$, $$\text{Na}^+$$ and $$\text{Al}^{3+}$$ is:

Solution

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 28

The increasing order of boiling points of the following compounds is:

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 29

The compound that has the largest $$H-M-H$$ bond angle ($$M = N, O, S, C$$) is:

Solution

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 30

Lattice enthalpy and enthalpy of solution of NaCl are $$788\,\text{kJ mol}^{-1}$$ and $$4\,\text{kJ mol}^{-1}$$, respectively. The hydration enthalpy of $$NaCl$$ is:

Solution

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 31

Hydrogen peroxide, in the pure state, is:

Solution

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 32

The one that is NOT suitable for the removal of permanent hardness of water is:

Solution

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 33

Among the following compounds, geometrical isomerism is exhibited by:

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 34

The final major product of the following reaction is:

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 35

The major product formed in the following reaction is:
$$\text{CH}_2\text{CH} = \text{CHCH(CH}_3)_2 \xrightarrow{\text{HBr}}$$

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 36

An element crystallises in a face-centred cubic (fcc) unit cell with cell edge $$a$$. The distance between the centres of two nearest octahedral voids in the crystal lattice is:

Solution

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 37

The variation of molar conductivity with concentration of an electrolyte (X) in aqueous solution is shown in the given figure.

The electrolyte X is:

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 38

The rate constant $$(k)$$ of a reaction is measured at different temperature $$(T)$$, and the data are plotted in the given figure. The activation energy of the reaction in $$\text{kJ mol}^{-1}$$ is: (R is gas constant)

Solution

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 39

Adsorption of a gas follows Freundlich adsorption isotherm. If $$x$$ is the mass of the gas adsorbed on mass $$m$$ of the adsorbent, the correct plot of $$\frac{x}{m}$$ versus $$p$$ is:

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 40

Boron and silicon of very high purity can be obtained through:

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 41

Reaction of ammonia with excess $$Cl_2$$ gives:

Solution

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 42

Consider the complex ions, trans-$$[\text{Co(en)}_2\text{Cl}_2]^+$$ (A) and cis-$$[\text{Co(en)}_2\text{Cl}_2]^+$$ (B). The correct statement regarding them is:

Solution

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 43

The major product of the following reaction is:

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 44

Which one of the following polymers is not obtained by condensation polymerisation?

Solution

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 45

The following molecule acts as an:

NTA JEE Main 5th September 2020 Shift 2 - Chemistry - Question 46

For a dimerization reaction,
$$2A(g) \to A_2(g)$$
at 298K, $$\Delta U^- = -20\,\text{kJ mol}^{-1}$$, $$\Delta S^- = -30\,\text{JK}^{-1}\text{mol}^{-1}$$, then the $$\Delta G^-$$ will be .....J.