$(1)\,\,{{(C{{H}_{3}})}_{3}}\bar{\ddot{C}}$
$(2)\,\,{{(C{{H}_{3}})}_{2}}\bar{\ddot{C}}$
$\,(3)\,\,C{{H}_{3}}\bar{\ddot{C}}{{H}_{2}}$
$(4)\,\,{{C}_{6}}{{H}_{5}}\bar{\ddot{C}}{{H}_{2}}$
\(\mathop {{{(C{H_3})}_2}CH_{}^{\overline { \bullet \,\, \bullet } }}\limits_{{\text{Isopropyl carbanion}}} \) \(>\) \(\mathop {{{(C{H_3})}_3}{C^{\overline { \bullet \,\,\, \bullet } }}}\limits_{{\text{Tert - butyl Carbanion}}} \)
$(A) \,\,CH_3-CH_2-NH_2$
$(A)\,\,CH_3CH_2CH_2Br + KOH \rightarrow CH_3CH CH_2 + KBr + H_2O$
$1.\,\,(CH_3)_2 - \mathop C\limits^ + - CH_2 - CH_3$
$2.\,\,(CH_3)_3 - \mathop C\limits^ + $
$3.\,\,(CH_3)_2 - |\mathop C\limits^ + H|$
$4.\,\,CH_3 - \mathop C\limits^ + H_2$
$5.\,\,\mathop C\limits^ + H_3$

$(1)$ બેન્ઝીન $(2)$ ટોલ્યુઈન $(3)$ ક્લોરો બેન્ઝિન $(4)$ ફિનોલ