MCQ
$BCl_3 + H_2O \longrightarrow$ Product, here product
- ✓$H_3BO_3 + HCl$
- B$B_2O_3 + HOCl$
- C$B_2H_6 + HCl$
- D$B_2O_3 + HCl$
The products formed in the reaction are $H _3 BO _3+3 HCl$.
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$(A)$ 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 $\propto \frac{ Z ^{3}}{ n ^{4}}$.
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