1 . NH3,RNH2,R2NH

• A. $N{H}_3>RN{H}_2>R_{2}NH$
• B. $R_{2}NH>RN{H}_2>N{H}_3$
• C. $N{H}_3>R_{2}NH>RN{H}_2$
• D. $RN{H}_2>N{H}_3>R_{2}NH$

Answer: Option B

Explanation: