(A) Is spontaneous (X)
(B) Spontaneity is temperature dependent (X)
(C) Has an increasing free energy (X)
(D) Is non-spontaneous ()

Answers: A reaction has values of ?H and ?S which are both positive . The reaction Is non spontaneous.

(A) Change in state of the system is increased (X)
(B) Temperature of the ystem may rise (X)
(C) Chemical reaction may take place (X)
(D) All ()

Answers: If internal energy of the system is increased all.

(A) Internal energy (X)
(B) Enthalpy (X)
(C) Gibbs free energy (X)
(D) Work ()

Answers: Which one is not state function Work.

(A) Furan (X)
(B) Thiophene (X)
(C) Aniline ()
(D) Pyridine (X)

Answers: Which is not heterocyclic compound Aniline.

(A) 10% (X)
(B) 15% (X)
(C) 20% ()
(D) 30% (X)

Answers: The fractional distillation of petroleum produces gasoline up to 20%.

(A) sp2 (X)
(B) sp ()
(C) sp3 (X)
(D) none of the above (X)

Answers; In cyano group the carbon atom show which kind of  hybridization sp .