NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry

NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 31

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Match List I with List II

Choose the correct answer from the options given below:

A

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

B

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

C

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

D

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

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 32

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The element having the highest first ionization enthalpy is

A

Si

B

Al

C

N

D

C

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 33

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Given below are two statements:
Statement I: Fluorine has most negative electron gain enthalpy in its group.
Statement II: Oxygen has least negative electron gain enthalpy in its group.
In the light of the above statements, choose the most appropriate from the options given below.

A

Both Statement I and Statement II are true

B

Statement I is true but Statement II is false

C

Both Statement I and Statement II are false

D

Statement I is false but Statement II is true

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 34

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According to IUPAC system, the compound is named as:

A

Cyclohex-1-en-2-ol

B

1-Hydroxyhex-2-ene

C

Cyclohex-1-en-3-ol

D

Cyclohex-2-en-1-ol

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 35

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The ascending acidity order of the following H atoms is

A

C < D < B < A

B

A < B < C < D

C

A < B < D < C

D

D < C < B < A

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 36

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Match List I with List II 

Choose the correct answer from the options given below:

A

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

B

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

C

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

D

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

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 37

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Which one of the following will show geometrical isomerism?

A

B

C

D

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 38

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Chromatographic technique/s based on the principle of differential adsorption is/are
A. Column chromatography B. Thin layer chromatography C. Paper chromatography
Choose the most appropriate answer from the options given below:

A

B only

B

A only

C

A & B only

D

C only

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 39

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Anomalous behaviour of oxygen is due to its

A

Large size and high electronegativity

B

Small size and low electronegativity

C

Small size and high electronegativity

D

Large size and low electronegativity

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 40

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Which of the following acts as a strong reducing agent? (Atomic number: Ce = 58, Eu = 63, Gd = 64, Lu = 71)

A

Lu$$^{3+}$$

B

Gd$$^{3+}$$

C

Eu$$^{2+}$$

D

Ce$$^{4+}$$

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 41

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Which of the following statements are correct about Zn, Cd and Hg?
A. They exhibit high enthalpy of atomization as the d-subshell is full.
B. Zn and Cd do not show variable oxidation state while Hg shows +I and +II.
C. Compounds of Zn, Cd and Hg are paramagnetic in nature.
D. Zn, Cd and Hg are called soft metals.
Choose the most appropriate from the options given below:

A

B, D only

B

B, C only

C

A, D only

D

C, D only

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 42

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The correct IUPAC name of $$K_2MnO_4$$ is:

A

Potassium tetraoxopermanganate (VI)

B

Potassium tetraoxidomanganate (VI)

C

Dipotassium tetraoxidomanganate (VII)

D

Potassium tetraoxidomanganese (VI)

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 43

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Alkyl halide is converted into alkyl isocyanide by reaction with

A

NaCN

B

NH$$_4$$CN

C

KCN

D

AgCN

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 44

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Phenol treated with chloroform in presence of sodium hydroxide, which further hydrolysed in presence of an acid results

A

Salicyclic acid

B

Benzene-1,2-diol

C

Benzene-1,3-diol

D

2-Hydroxybenzaldehyde

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 45

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Identify the reagents used for the following conversion

A

$$A = LiAlH_4, B = NaOH_{(aq)}, C = NH_2-NH_2/KOH$$ ethylene glycol

B

$$A = LiAlH_4, B = NaOH_{(alc)}, C = Zn/HCl$$

C

$$A = DIBAL-H, B = NaOH_{(aq)}, C = NH_2-NH_2/KOH$$ ethylene glycol

D

$$A = DIBAL-H, B = NaOH_{(alc)}, C = Zn/HCl$$

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 46

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Which of the following reaction is correct?

A

B

C

D

$$C_2H_5CONH_2 + Br_2 + NaOH \rightarrow C_2H_5CH_2NH_2 + Na_2CO_3 + NaBr + H_2O$$

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 47

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The product A formed in the following reaction is:

A

B

C

D

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 48

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On passing a gas, '$$X$$', through Nessler's reagent, a brown precipitate is obtained. The gas '$$X$$' is

A

H$$_2$$S

B

CO$$_2$$

C

NH$$_3$$

D

Cl$$_2$$

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 49

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A reagent which gives brilliant red precipitate with Nickel ions in basic medium is

A

sodium nitroprusside

B

neutral FeCl$$_3$$

C

meta-dinitrobenzene

D

dimethyl glyoxime

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 50

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Match List I with List II

Choose the correct answer from the options given below:

A

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

B

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

C

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

D

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

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 51

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The total number of molecules with zero dipole moment among $$CH_4, BF_3, H_2O, HF, NH_3, CO_2$$ and $$SO_2$$ is ______.

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 52

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The total number of 'Sigma' and Pi bonds in 2-formylhex-4-enoic acid is ______.

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 53

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The total number of anti bonding molecular orbitals, formed from $$2s$$ and $$2p$$ atomic orbitals in a diatomic molecule is ______.

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 54

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Standard enthalpy of vapourisation for $$CCl_4$$ is $$30.5$$ kJ mol$$^{-1}$$. Heat required for vapourisation of $$284$$ g of $$CCl_4$$ at constant temperature is ______ kJ. (Given molar mass in g mol$$^{-1}$$; C = 12, Cl = 35.5)

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 55

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The following concentrations were observed at $$500$$ K for the formation of $$NH_3$$ from $$N_2$$ and $$H_2$$. At equilibrium: $$[N_2] = 2 \times 10^{-2}$$ M, $$[H_2] = 3 \times 10^{-2}$$ M and $$[NH_3] = 1.5 \times 10^{-2}$$ M. Equilibrium constant for the reaction is ______.

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 56

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If $$50$$ mL of $$0.5$$ M oxalic acid is required to neutralise $$25$$ mL of NaOH solution, the amount of NaOH in $$50$$ mL of given NaOH solution is ______ g.

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 57

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Molality of $$0.8$$ M $$H_2SO_4$$ solution (density $$1.06$$ g cm$$^{-3}$$) is ______ $$\times 10^{-3}$$ m.

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 58

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A constant current was passed through a solution of $$AuCl_4^-$$ ion between gold electrodes. After a period of $$10.0$$ minutes, the increase in mass of cathode was $$1.314$$ g. The total charge passed through the solution is ______ $$\times 10^{-2}$$ F. (Given atomic mass of Au = 197)

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 59

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The half-life of radioisotopic bromine-82 is $$36$$ hours. The fraction which remains after one day is ______ $$\times 10^{-2}$$.
(Given antilog $$0.2006 = 1.587$$)

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NTA JEE Mains 29th Jan 2024 Shift 2 - Chemistry - Question 60

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Oxidation state of Fe (Iron) in complex formed in Brown ring test.

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