Chemistry NCERT Exemplar Solutions Class 11th Chapter Eight

Given below are two statements :
Statement I: Penicillin is a bacteriostatic type antibiotic.
Statement II: The general structure of penicillin is:

Choose the correct option:

R–CN --(i) DIBAL-H / (ii) H₂O→ R – Y
Consider the above reaction and identify “Y”

Kindly consider the following

Choose the correct answer from the options given below:

Kindly consider the following

Given below are two statements:
Statement I: Hyper conjugation is permanent effect.
Statement II: Hyper conjugation in ethyl cation (CH₃—CH₂⁺) involves the overlapping of Csp² – H₁ₛ bond with empty 2p orbital of other carbon.
Choose the correct option:

Compound A gives D-Galactose and D-Glucose on hydrolysis. The compound A is:

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: SO₂(g) is adsorbed to a larger extent than H₂(g) on activated charcoal.
Reason R: SO₂(g) has a higher critical temperature than H₂(g).
In the light of the above statements, choose the most appropriate answer from the option given below.

If the Thompson model of the atom was correct, then the result of Rutherford's gold foil experiment would have been:

Select the correct statements.
(A) Crystalline solids have long range order.
(B) Crystalline solids are isotropic.
(C) Amorphous solids are sometimes called pseudo solids
(D) Amorphous solids soften over a range of temperatures.
(E) Amorphous solids have a definite heat of fusion
Choose the most appropriate answer from the options given below: