NTA JEE Main 27th June 2022 Shift 2 - Chemistry

NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 31

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The correct order of ionic size of $$N^{3-}, Na^+, F^-, Mg^{2+}$$ and $$O^{2-}$$ is :

A

$$Mg^{2+} < Na^+ < F^- < O^{2-} < N^{3-}$$

B

$$N^{3-} < O^{2-} < F < Na^+ < Mg^{2+}$$

C

$$F^- < Na^+ < O^{2-} < Mg^{2+} < N^{3-}$$

D

$$Na^+ < F^- < Mg^{2+} < O^{2-} < N^{3-}$$

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 32

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Identify the incorrect statement for $$PCl_5$$ from the following.

A

In this molecule, orbitals of phosphorous are assumed to undergo $$sp^3d$$ hybridization.

B

The geometry of $$PCl_5$$ is trigonal bipyramidal.

C

$$PCl_5$$ has two axial bonds stronger than three equatorial bonds.

D

The three equatorial bonds of $$PCl_5$$ lie in a plane.

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 33

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The correct order of increasing intermolecular hydrogen bond strength is

A

$$HCN < H_2O < NH_3$$

B

$$HCN < CH_4 < NH_3$$

C

$$CH_4 < HCN < NH_3$$

D

$$CH_4 < NH_3 < HCN$$

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 34

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Which amongst the given plots is the correct plot for pressure (p) vs density (d) for an ideal gas?

A

B

C

D

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 35

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Which of the following is most stable?

A

B

C

D

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 36

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What will be the major product of following sequence of reactions?

A

B

C

D

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 37

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Product 'A' of following sequence of reactions is

A

B

C

D

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 38

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In 3d series, the metal having the highest $$M^{2+}/M$$ standard electrode potential is

A

Cr

B

Fe

C

Cu

D

Zn

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 39

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Statement I: Leaching of gold with cyanide ion in absence of air/$$O_2$$ leads to cyano complex of Au(III).
Statement II: Zinc is oxidized during the displacement reaction carried out for gold extraction.
In the light of the above statements, choose the correct answer from the options given below

A

Both Statement 1 and statement 2 are correct

B

Both Statement 1 and statement 2 are incorrect

C

Statement 1 is correct but statement 2 is incorrect

D

Statement 1 is incorrect but statement 2 is correct

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 40

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The gas produced by treating an aqueous solution of ammonium chloride with sodium nitrite is

A

$$NH_3$$

B

$$N_2$$

C

$$N_2O$$

D

$$Cl_2$$

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 41

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Given below are two statements: one is labelled as Assertion and the other is labelled as Reason.
Assertion: Flourine forms one oxoacid.
Reason: Flourine has smallest size amongst all halogens and is highly electronegative.
In the light of the above statements, choose the most appropriate answer from the Question: options given
below.

A

Both assertion and reason are correct and reason is the correct explanation of assertion.

B

Both assertion and reason are correct and but reason is not the correct explanation of assertion.

C

Assertion is correct and reason is incorrect

D

Assertion is incorrect and reason is correct

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 42

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On the surface of polar stratospheric clouds, hydrolysis of chlorine nitrate gives A and B while its reaction with HCl produces B and C. A, B and C are, respectively

A

HOCl, $$HNO_3$$, $$Cl_2$$

B

$$Cl_2$$, $$HNO_3$$, HOCl

C

$$HClO_2$$, $$HNO_2$$, HOCl

D

HOCl, $$HNO_2$$, $$Cl_2O$$

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 43

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The 'f' orbitals are half and completely filled, respectively in lanthanide ions [Given : Atomic no. Eu, 63 : Sm, 62 : Tm, 69; Tb, 65; Yb, 70; Dy, 66]

A

$$Eu^{2+}$$ and $$Tm^{3+}$$

B

$$Sm^{2+}$$ and $$Tm^{3+}$$

C

$$Tb^{4+}$$ and $$Yb^{2+}$$

D

$$Dy^{3+}$$ and $$Yb^{3+}$$

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 44

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Arrange the following coordination compounds in the increasing order of magnetic moments. (Atomic numbers: Mn = 25; Fe = 26)
A. $$[FeF_6]^{3-}$$
B. $$[Fe(CN)_6]^{3-}$$
C. $$[MnCl_6]^{3-}$$ (high spin)
D. $$[Mn(CN)_6]^{3-}$$
Choose the correct answer from the options given below

A

$$A < B < D < C$$

B

$$B < D < C < A$$

C

$$A < C < D < B$$

D

$$B < D < A < C$$

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 45

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Match List-I with List-II
                    List - I                                                            List - II

A

A - IV, B - III, C - II, D - I

B

A - IV, B - III, C - I, D - II

C

A - II, B - III, C - I, D - IV

D

A - IV, B - II, C - III, D - I

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 46

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Decarboxylation of all six possible forms of diaminobenzoic acids $$C_6H_3(NH_2)_2COOH$$ yields three products A, B and C. Three acids give a product 'A', two acids give a product 'B' and one acid give a product 'C'. The melting point of product 'C' is

A

$$63°$$C

B

$$90°$$C

C

$$104°$$C

D

$$142°$$C

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 47

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Which is true about Buna-N?

A

It is a linear polymer of 1,3-butadiene.

B

It is obtained by copolymerization of 1,3-butadiene and styrene.

C

It is obtained by copolymerization of 1,3-butadiene and acrylonitrile.

D

The suffix N in Buna-N stands for its natural occurrence.

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 48

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Match List - I with List - II.
         List - I                              List - II

(A) Antipyretic	(I) Reduces pain
(B) Analgesic	(II) Reduces stress
(C) Tranquilizer	(III) Reduces fever
(D) Antacid	(IV) Reduces acidity(stomach)

Choose the correct answer from the options given below

A

A - III, B - I, C - II, D - IV

B

A - III, B - I, C - IV, D - II

C

A - I, B - IV, C - II, D - III

D

A - I, B - III, C - II, D - IV

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 49

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Match List - I with List - II.

List-I (Anion)	List-II (gas evolved on reaction with dil. $$H_2SO_4$$)
(A) $$CO_3^{2-}$$	(I) Colourless gas which turns lead acetate paper black.
(B) $$S^{2-}$$	(II) Colourless gas which turns acidified potassium dichromate solution green.
(C) $$SO_3^{2-}$$	(III) Brown fumes which turns acidified KI solution containing starch blue.
(D) $$NO_2^-$$	(IV) Colourless gas evolved with brisk effervescence, which turns lime water milky.

Choose the correct answer from the options given below

A

A - III, B - I, C - II, D - IV

B

A - II, B - I, C - IV, D - III

C

A - IV, B - I, C - III, D - II

D

A - IV, B - I, C - II, D - III

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 50

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Given below are two statements.
Statement I: Maltose has two $$\alpha - D$$ - glucose units linked at $$C_1$$ and $$C_4$$ and is a reducing sugar.
Statement II: Maltose has two monosaccharides: $$\alpha$$-D-glucose and $$\beta$$-D-glucose linked at $$C_1$$ and $$C_6$$ and it is a non-reducing sugar.
In the light of the above statements, choose the correct answer from the options Question: given below.

A

Both Statement I and Statement II are true.

B

Both Statement I and Statement II are false.

C

Statement I is true but Statement II is false.

D

Statement I is false but Statement II is true.

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 51

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$$116$$ g of a substance upon dissociation reaction, yields $$7.5$$ g of hydrogen, $$60$$ g of oxygen and $$48.5$$ g of carbon. Given that the atomic masses of H, O and C are 1, 16 and 12, respectively. The data agrees with how many formulae of the following?
A. $$CH_3COOH$$
B. HCHO
C. $$CH_3OOCH_3$$
D. $$CH_3CHO$$

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 52

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Consider the following set of quantum numbers.
A: n=3, l=3, m$$_{1}$$=-3
B: n=3, l=2, m$$_{1}$$=-2
C: n=2, l=1, m$$_{1}$$=+1
D: n=2, l=2, m$$_{1}$$=+2
The number of correct sets of quantum numbers is ______

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 53

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When 5 moles of He gas expand isothermally and reversibly at $$300$$ K from $$10$$ litre to $$20$$ litre, the magnitude of the maximum work obtained is ______ J. [nearest integer] (Given : $$R = 8.3$$ J K$$^{-1}$$ mol$$^{-1}$$ and $$\log 2 = 0.3010$$)

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 54

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pH value of $$0.001$$ M NaOH solution is ______

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 55

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BeO reacts with HF in presence of ammonia to give [A] which on thermal decomposition produces [B] and ammonium fluoride. Oxidation state of Be in [A] is ______

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 56

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$$0.25$$ g of an organic compound containing chlorine gave $$0.40$$ g of silver chloride in Carius estimation. The percentage of chlorine present in the compound is ______ [in nearest integer]
(Given: Molar mass of Ag is $$108$$ g mol$$^{-1}$$ and that of Cl is $$35.5$$ g mol$$^{-1}$$)

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 57

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A solution containing $$2.5 \times 10^{-3}$$ kg of a solute dissolved in $$75 \times 10^{-3}$$ kg of water boils at $$373.535$$ K. The molar mass of the solute is ______ mol$$^{-1}$$. [nearest integer] (Given : $$K_b(H_2O) = 0.52$$ K kg mol$$^{-1}$$ and boiling point of water $$= 373.15$$ K)

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 58

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For the reaction taking place in the cell:
$$Pt(s)|H_2(g)|H^+(aq) || Ag^+(aq)|Ag(s)$$
$$E_{cell} = +0.5332$$ V.
The value of $$\Delta_r G^\circ$$ is ______ kJ mol$$^{-1}$$. (in nearest integer)

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 59

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It has been found that for a chemical reaction with rise in temperature by $$9$$ K the rate constant gets doubled. Assuming a reaction to be occurring at $$300$$ K, the value of activation energy is found to be ______ kJ mol$$^{-1}$$. [nearest integer] (Given $$\ln 10 = 2.3, R = 8.3$$ J K$$^{-1}$$ mol$$^{-1}$$, $$\log 2 = 0.30$$)

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NTA JEE Main 27th June 2022 Shift 2 - Chemistry - Question 60

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A Freundlich adsorption isotherm graph is shown.

If the initial pressure of a gas is $$0.03$$ atm, the mass of the gas adsorbed per gram of the adsorbent is ______ $$\times 10^{-2}$$ g

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