Assertion A: The dihedral angles in H 2 O 2 in gaseous phase is 90.2° and in solid phase is 111.5°. Reason R: The change in dihedral angle in solid and gaseous phase is due to the difference in the intermolecular forces. Choose the most appropriate answer from the options given below for A and R.

Question

Assertion A: The dihedral angles in H 2 O 2 in gaseous phase is 90.2° and in solid phase is 111.5°. Reason R: The change in dihedral angle in solid and gaseous phase is due to the difference in the intermolecular forces. Choose the most appropriate answer from the options given below for A and R. (A) A is correct but R is not correct. (B) Both A and R are correct but R is not the correct explanation of A. (C) Both A and R are correct and R is the correct explanation of A. (D) A is not correct but R is correct.

Tardigrade Admin · Accepted Answer

<img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/3a5528a210b5be09a94d3b91b269533d-.png" /> (a) H 2 O 2 structure in gas phase, dihedral angle is 111.5°. (b) H 2 O 2 structure in solid phase at 110 K, dihedral angle is 90.2°. Hence given statement (A) is not correct But statement (B) is correct.

$A$ is correct but $R$ is not correct.

Both $A$ and $R$ are correct but $R$ is not the correct explanation of $A$ .

Both $A$ and $R$ are correct and $R$ is the correct explanation of $A$ .

A is not correct but $R$ is correct.

(a) $H_{2} O_{2}$ structure in gas phase, dihedral angle is $111. 5^{\circ}$ .
(b) $H_{2} O_{2}$ structure in solid phase at $110 K$ , dihedral angle is $90. 2^{\circ}$ .
Hence given statement (A) is not correct But statement (B) is correct.

A is correct but R is not correct.

Both A and R are correct but R is not the correct explanation of A.

Both A and R are correct and R is the correct explanation of A.

A is not correct but R is correct.

(a) H2​O2​ structure in gas phase, dihedral angle is 111.5∘. (b) H2​O2​ structure in solid phase at 110K, dihedral angle is 90.2∘. Hence given statement (A) is not correct But statement (B) is correct.

$A$ is correct but $R$ is not correct.

Both $A$ and $R$ are correct but $R$ is not the correct explanation of $A$ .

Both $A$ and $R$ are correct and $R$ is the correct explanation of $A$ .

A is not correct but $R$ is correct.

(a) $H_{2} O_{2}$ structure in gas phase, dihedral angle is $111. 5^{\circ}$ .
(b) $H_{2} O_{2}$ structure in solid phase at $110 K$ , dihedral angle is $90. 2^{\circ}$ .
Hence given statement (A) is not correct But statement (B) is correct.