MCQ
Which compound undergoes nucleophilic substitution with $NaCN$ at the fastest rate ?
- ✓

- B

- C

- D






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$(A)$ tert-butanol and $2$-methylpropan-$2$-ol
$(B)$ tert-butanol and $1$, $1$-dimethylethan-$1$-ol
$(C)$ $n$-butanol and butan-$1$-ol
$(D)$ isobutyl alcohol and $2$-methylpropan-$1$-ol
$H_2C = CH -CH_2 -OH \xrightarrow[excess]{HBr}$ Product
select the correct statement
$(A)$ paramagnetic $(B)$ bent in geometry $(C)$ an acidic oxide $(D)$ colorless
$K_1 = 1.6 \times 10^3$ and
$[Ag(NH_3)]^+ + NH_3 \rightleftharpoons [Ag(NH_3)_2]^+$ ;
$K_2 = 6.8 \times 10^3$ .
Then formation constant of $[Ag(NH_3)_2]^+$ is :