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White turbidity only heating
${2^o}$ Alcohol $\xrightarrow{{ZnC{l_2}/HCl}}$ White turbidity
after $5$ min heating
${3^o}$ Alcohol $\xrightarrow{{ZnC{l_2}/HCl}}$ easily in seconds
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The ketone. $(A)$ is
Ketone $A\,\xrightarrow[2\,.\,{{H}_{2}}O]{1.\,{{C}_{2}}{{H}_{5}}MgBr}B$ $\xrightarrow[-\,{{H}_{2}}O]{{{H}_{2}}S{{O}_{4}},\,Heat}C$ $\xrightarrow[2.\,Zn\,,\,{{H}_{2}}O]{1.{{O}_{3}}}$ Figure
$(A)$ Kinetic energy of electron is $\propto \frac{ Z ^{2}}{ n ^{2}}$.
$(B)$ The product of velocity (v) of electron and principal quantum number (n), 'vn' $\propto Z ^{2}$.
$(C)$ Frequency of revolution of electron in an orbit is $\propto \frac{ Z ^{3}}{ n ^{3}}$.
$(D)$ Coulombic force of attraction on the electron is $\propto \frac{ Z ^{3}}{ n ^{4}}$.
Choose the most appropriate answer from the options given below :