MCQ
Which of the following compounds has a zero dipole moment ?
- A

- B

- C

- ✓







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$(I){\mkern 1mu} C{H_3}CH_2^ - {\mkern 1mu} + {\mkern 1mu} \mathop {C{H_3}N{H_2}}\limits_{p{K_a} = 35} \rightleftharpoons \mathop {C{H_3}C{H_3}}\limits_{p{K_a} = 50} + C{H_3}N{H^ - }$
$(II){\mkern 1mu} {F^ - }{\mkern 1mu} + {\mkern 1mu} \mathop {{H_2}O}\limits_{p{K_a} = 15.7} \rightleftharpoons \mathop {HF}\limits_{p{K_a} = 3.2} + H{O^ - }$
| LIST - I (Classification of molecules,based on octet rule) | LIST - II (Example) | ||
| A. | Molecules obeying octet rule | I. | NO,NO_(2) |
| B. | Molecules with incomplete octet | II. | BCl_(3),AlCl_(3) |
| C. | Molecules with incomplete octet with odd electron | III. | H_(2)SO_(4),PCl_(5) |
| D. | Molecules with expanded octet | IV. | CCl_(4),CO_(2) |