NTA JEE Main 27th June 2022 Shift 2 - Chemistry

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

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

The correct order of increasing intermolecular hydrogen bond strength is

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

Which of the following is most stable?

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

Product 'A' of following sequence of reactions is

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

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

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

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.

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

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]

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

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

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

Which is true about Buna-N?

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

Choose the correct answer from the options given below

Match List - I with List - II.

Choose the correct answer from the options given below

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.

$$116$$ 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. $$CH_3CHO$$

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 ______

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 $$\log 2 = 0.3010$$)

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

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 ______

$$0.25$$ 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$$^{-1}$$)

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)

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)

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$$^{-1}$$, $$\log 2 = 0.30$$)

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