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  • Complete the following reaction : <img alt="\mathrm{RNH_2 + H_2 SO_4 \rightarrow}" src="https://entrancecorner.oncodecogs.com/gif.latex?%5Cmathrm%7BRNH_2%20&plus;%20H_2%20SO_4%20%5Crightar

Complete the following reaction : \mathrm{RNH_2 + H_2 SO_4 \rightarrow}

Option: 1

\mathrm{[RNH_3]^+HSO_{4}^{-}}


Option: 2

\mathrm{[RNH_3]^+_2SO_{4}^{2-}}


Option: 3

\mathrm{RNH_2\cdot H_2SO_{4}}


Option: 4

No reaction 


Answers (1)

best_answer

The reaction will be-

 \mathrm{RNH_2 + H_2 SO_4 \rightarrow RNH_{3}^{+}+ HSO_{4}^{-}}

\mathrm{RNH_2}   is basic enough to form a salt with \mathrm{HSO_{4}^{-}} as well 

\mathrm{HSO_{4}^{-} +RNH_2\rightarrow [ RNH_3]^+ + SO_{4}^{2-}}

So, 

\mathrm{2RNH_2 + H_2 SO_4 \rightarrow [RNH_{3}]_2^{+}SO_{4}^{2-}}

So, we get \mathrm{[ RNH_3]^+_2 SO_{4}^{2-}} as the major product.

Hence, the correct asnwer is Option (2)

Posted by

Sayak

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