
- ✓

- B

- C

- D








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$(A)$ Denaturation of proteins causes loss of secondary and tertiary structures of the protein
$(B)$ Denturation leads to the conversion of double strand of $DNA$ into single strand
$(C)$ Denaturation affects primary structure which gets distorted
Assertion $(A)$ : $\mathrm{S}_{\mathrm{N}} 2$ reaction of $\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{Br}$ occurs more readily than the $\mathrm{S}_{\mathrm{N}} 2$ reaction of $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Br}$.
Reason $(R)$ : The partially bonded unhybridized p-orbital that develops in the trigonal bipyramidal transition state is stabilized by conjugation with the phenyl ring.
In the light of the above statements, choose the most appropriate answer from the options given below:
$2A{B_2}(g) \rightleftharpoons 2AB(g) + {B_2}(g)$