[Download PDF] NTA JEE Main 2nd September 2020 Shift 2

For the following questions answer them individually

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 26

The number of subshells associated with $$n = 4$$ and $$m = -2$$ quantum numbers is:

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 27

Three elements X, Y and Z are in the 3$$^{rd}$$ period of the periodic table. The oxides of X, Y and Z, respectively, are basic, amphoteric and acidic. The correct order of the atomic numbers of X, Y and Z is:

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 28

The shape/structure of $$[XeF_5]^-$$ and $$XeO_3F_2$$, respectively are:

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 29

Match the type of interaction in column A with the distance dependence of their interaction energy in column B:
A B
(i) ion - ion     (a) $$\frac{1}{r}$$
(ii) Dipole - dipole    (b) $$\frac{1}{r^2}$$
(iii) London dispersion (c) $$\frac{1}{r^3}$$
        (iv) $$\frac{1}{r^6}$$

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 30

The molecular geometry of $$SF_6$$ is octahedral. What is the geometry of $$SF_4$$ (including lone pair(s) of electrons, if any)?

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 31

Two elements A and B have similar chemical properties. They don't form solid hydrogencarbonates, but react with nitrogen to form nitrides. A and B, respectively, are:

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 32

Arrange the following labelled hydrogens in decreasing order of acidity:

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 33

An organic compound 'A' $$(C_9H_{10}O)$$ when treated with conc. HI undergoes cleavage to yield compound 'B' and 'C'. 'B' gives yellow precipitate with $$AgNO_3$$ where as 'C' tautomerizes to 'D'. 'D' gives positive iodoform test. 'A' could be:

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 34

The major product of the following reaction is:

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 35

The size of a raw mango shrinks to a much smaller size when kept in a concentrated salt solution. Which one of the following process can explain this?

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 36

The results given in the below table were obtained during kinetic studies of the following reaction:
$$2A + B \to C + D$$

Experiment	[A]/mol L$$^{-1}$$	[B]/mol L$$^{-1}$$	Initial rate/mol L$$^{-1}$$ min$$^{-1}$$
I	0.1	0.1	$$6.00 \times 10^{-3}$$
II	0.1	0.2	$$2.40 \times 10^{-2}$$
III	0.2	0.1	$$1.20 \times 10^{-2}$$
IV	X	0.2	$$7.20 \times 10^{-2}$$
V	0.3	Y	$$2.88 \times 10^{-1}$$

X and Y in the given table are respectively:

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 37

Amongst the following statements regarding adsorption, those that are valid are:
(a) $$\Delta H$$ becomes less negative as adsorption proceeds.
(b) On a given adsorbent, ammonia is adsorbed more than nitrogen gas.
(c) On adsorption, the residual force acting along the surface of the adsorbent increases
(d) With increase in temperature, the equilibrium concentration of adsorbate increases.

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 38

Cast iron is used for the manufacture of:

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 39

Simplified absorption spectra of three complexes ((i) and (ii) and (iii)) of $$M^{+n}$$ ion are provided below; their $$\lambda_{max}$$ values are marked as A, B and C respectively. The correct match between the complexes and their $$\lambda_{max}$$ values is:

(i) $$[M(NCS)_6]^{(-6+n)}$$
(ii) $$[MF_6]^{(-6+n)}$$
(iii) $$[M(NH_3)_6]^{n+}$$

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 40

The one that is not expected to show isomerism is:

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 41

The major product obtained from $$E_2$$-elimination of 3-bromo-2-fluoropentane is:

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 42

Consider the reaction sequence given below:

Which of the following statements is true:

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 43

Two compounds A and B with same molecular formula $$(C_3H_6O)$$ undergo Grignard reaction with methylmagnesium bromide to give products C and D. Products C and D show following chemical tests:

Test	C	D
Ceric ammonium nitrate Test	Positive	Positive
Lucas Test	Turbidity obtained after five minutes	Turbidity obtained Immediately
Iodoform Test	Positive	Negative

C and D respectively are:

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 44

If you spill a chemical toilet cleaning liquid on your hand, your first aid would be:

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 45

The correct observation in the following reaction is:
$$Sucrose \xrightarrow[Cleavage \; (Hydrolysis)]{Glycosidic \; bond \; } A + B \xrightarrow[ Reagent]{Seliwanoff } ?$$

NTA JEE Main 2nd September 2020 Shift 2 - Chemistry - Question 46

The ratio of the mass percentages of 'C & H' and 'C & O' of a saturated acyclic organic compound 'X' are 4 : 1 and 3 : 4 respectively. Then, the moles of oxygen gas required for complete combustion of two moles of organic compound 'X' is ___________.