JEE Main 2023 · 13 Apr 2023 Shift 2

Given below are two statements : Statement I : SO₂ and H₂O both possess V-shaped structure. Statement II : The bond angle of SO₂ is less than that of H₂O. 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 correct
2. BBoth Statement I and Statement II are incorrect
3. CStatement I is correct but Statement II is incorrect
4. DStatement I is incorrect but Statement II is correct

The covalency and oxidation state respectively of boron in [BF₄]⁻, are

1. A4 and 4
2. B4 and 3
3. C3 and 4
4. D3 and 5

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Isotopes of hydrogen have almost same chemical properties, but difference in their rates of reaction. Reason R: Isotopes of hydrogen have different enthalpy of bond dissociation. In the light of the above statements, choose the most appropriate answer from the options given below:

1. ABoth A and R are correct and R is the correct explanation of A
2. BBoth A and R are correct but R is NOT the correct explanation of A
3. CA is correct but R is not correct
4. DA is not correct but R is correct

Identify the correct order of standard enthalpy of formation of sodium halides.

1. ANaF < NaCl < NaBr < NaI
2. BNaI < NaBr < NaCl < NaF
3. CNaI < NaBr < NaF < NaCl
4. DNaCl < NaF < NaBr < NaI

The correct group of halide ions which can be oxidised by oxygen in acidic medium is

1. ABr⁻ and I⁻ only
2. BCl⁻, Br⁻ and I⁻ only
3. CI⁻ only
4. DBr⁻ only

Which of the following complexes will exhibit maximum attraction to an applied magnetic field?

1. A[Co(en)₃]³⁺
2. B[Co(H₂O)₆]²⁺
3. C[Zn(H₂O)₆]²⁺
4. D[Ni(H₂O)₆]²⁺

Which of the following are the Green house gases?

1. AWater vapour
2. BOzone
3. CI₂
4. DMolecular hydrogen Choose the most appropriate answer from the options given below:

The total number of stereoisomers for the complex [Cr(ox)₂ClBr]³⁻ (where ox = oxalate) is:

1. A2
2. B3
3. C4
4. D1