CHEMICAL SCIENCE PART C ( DECEMBER 2019) 2019

1

PYP

CHEMICAL SCIENCE PART C ( DECEMBER 2019) 2019

The major product formed in the following reaction is

A

B

C

D

2

PYP

CHEMICAL SCIENCE PART C ( DECEMBER 2019) 2019

Consider the following statements:(A) The highest oxidation state of Group 8 elements is more readily shown in their oxides than in fluorides.(B) Fe can exist in -2 formal oxidation state also.(C) Mn, Tc and Re easily form M(II) compounds.The correct statement(s) is/are

A

(A) and (B)

B

(B) and (C)

C

(C) only

D

(A) and (C)

3

PYP

CHEMICAL SCIENCE PART C ( DECEMBER 2019) 2019

Complex(es) which has/have unpaired electrons(s) that is equal to that of iron center in oxymyoglobin is/are(A) [Fe(ox)3]3-(B) [Fe(CN)6]3-(C) [NiCl4]2-(D) [Cu(NH3)4]2+(Given:ox-oxalato)Correct answer is

A

(A) and (B)

B

(B) and (D)

C

(C) and (D)

D

(C) only

4

PYP

CHEMICAL SCIENCE PART C ( DECEMBER 2019) 2019

In linear variation method using two orthogonal basis functions, the roots obtained are ε0 and . The correct relation of these with exact ground and first excited state energies, E0 and E1, respectively, is

A

and

B

and

C

and

D

and

5

PYP

CHEMICAL SCIENCE PART C ( DECEMBER 2019) 2019

The major product formed in the following reaction is

A

B

C

D