p-Block Elements (Group 15–18) · Question 63

Identify the incorrect statement from the following:

1. Phosphorus, arsenic and antimony show catenation property.
2. P(C2H5)3 and As(C6H5)3 form dπ–dπ bond with transition metals.
3. Nitrogen can form dπ–pπ bond with oxygen.
4. Nitrogen can form pπ–pπ multiple bonds with itself.

Given below are two statements : In light of the above statements, choose the most appropriate answer from the options given below.

1. Statement I is incorrect but Statement II is correct
2. Both Statement I and Statement II are correct
3. Both Statement I and Statement II are incorrect
4. Statement I is correct but Statement II is incorrect

Given below are two statements : In the light of the above statements, choose the most appropriate answer from the options given below :

1. Statement I is correct but Statement II is incorrect
2. Statement I is incorrect but Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect

Given below are two statements: In the light of the above statements, choose the correct answer from the options given below:

1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true

Among Group 16 elements, which one does NOT show -2 oxidation state?

1. O
2. Se
3. Te
4. Po

Match List I with List II : Identify the correct answer from the options given below :

1. A-III, B-I, C-IV, D-II
2. A-I, B-IV, C-III, D-II
3. A-II, B-IV, C-I, D-III
4. A-III, B-IV, C-I, D-II

Identify the incorrect statement from the following :

1. The acidic strength of HX (X = F, Cl, Br and I) follows the order: HF > HCl > HBr > HI.
2. Fluorine exhibits -1 oxidation state whereas other halogens exhibit +1, +3, +5 and +7 oxidation states also.
3. The enthalpy of dissociation of F2 is smaller than that of Cl2.
4. Fluorine is stronger oxidising agent than chlorine.

Identify the incorrect statement.

1. PEt3 and AsPh3 as ligands can form d - d bond with transition metals
2. The N - N single bond is as strong as the P - P single bond
3. Nitrogen has unique ability to form p - p multiple bonds with nitrogen, carbon and oxygen
4. Nitrogen cannot form d - p bond as other heavier elements of its group

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. In the light of the above statements, choose the correct answer from the options given below:

1. Both A and R are true but R is NOT the correct explanation of A.
2. A is true but R is false.
3. A is false but R is true.
4. Both A and R are true and R is the correct explanation of A.

Match List-I with List-II: Choose the correct answer from the options given below:

1. A-III, B-IV, C-I, D-II
2. A-I, B-III, C-IV, D-II
3. A-III, B-IV, C-II, D-I
4. A-I, B-III, C-II, D-IV