JEE Main 2024 · 30 Jan 2024 Shift 1

Given below are two statements : Statement (I) : The orbitals having same energy are called as degenerate orbitals. Statement (II) : In hydrogen atom, 3p and 3d orbitals are not degenerate orbitals. In the light of the above statements, choose the most appropriate answer from the options given below :

1. ABoth Statement I and Statement II are true
2. BBoth Statement I and Statement II are false
3. CStatement I is true but Statement II is false
4. DStatement I is false but Statement II is true

What happens to freezing point of benzene when small quantity of naphthalene is added to benzene ?

1. AIncreases
2. BDecreases
3. CRemains unchanged
4. DFirst decreases and then increases

Aluminium chloride in acidified aqueous solution forms an ion having geometry

1. ATetrahedral
2. BOctahedral
3. CSquare planar
4. DTrigonal bipyramidal

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : There is a considerable increase in covalent radius from N to P. However from As to Bi only a small increase in covalent radius is observed. Reason (R) : Covalent and ionic radii in a particular oxidation state increases down the group. In the light of the above statements, choose the most appropriate answer from the options given below :

1. ABoth (A) and (R) are true and (R) is the correct explanation of (A)
2. BBoth (A) and (R) are true but (R) is not the correct explanation of (A)
3. C(A) is true but (R) is false
4. D(A) is false but (R) is true

Diamagnetic Lanthanoid ions are :

1. ANd³⁺ & Ce⁴⁺
2. BLa³⁺ & Ce⁴⁺
3. CLu³⁺ & Eu³⁺
4. DNd³⁺ & Eu³⁺

Choose the correct statements from the following :

1. AEthane-1, 2-diamine is a chelating ligand.
2. BMetallic aluminium is produced by electrolysis of aluminium oxide in presence of cryolite.
3. CCyanide ion is used as ligand for leaching of silver.
4. DPhosphine act as a ligand in Wilkinson catalyst.
5. EThe stability constants of Ca²⁺ and Mg²⁺ are similar with EDTA complexes. Choose the correct answer from the options given below :

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : CH₂=CH–CH₂–Cl is an example of allyl halide. Reason (R) : Allyl halides are the compounds in which the halogen atom is attached to sp² hybridised carbon atom. In the light of the above statements, choose the most appropriate answer from the options given below :

1. ABoth (A) and (R) are true and (R) is the correct explanation of (A)
2. BBoth (A) and (R) are true but (R) is not the correct explanation of (A)
3. C(A) is true but (R) is false
4. D(A) is false but (R) is true

Sugar which does not give reddish brown precipitate with Fehling’s reagent, is :

1. AGlucose
2. BMaltose
3. CLactose
4. DSucrose