MCQ
Which compound can exist in a dipolar state?
- A$C _6 H _5 CH _2 CH \left( N = CH _2\right) COOH$
- ✓$\left( CH _3\right)_2 CH - CH \left( NH _2\right) COOH$
- C$C _6 H _5 CONH CH _2 COOH$
- D$HOOC - CH _2- CH _2- CO - COOH$
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