Indicate the ionic species that predominates at pH 4, 8 and 11 for ammonia :
1
\(\rm NH^+_4\ at\ pH\ 4,NH^+_4\ at\ pH\ 8\) and NH3 at pH 11
2
\(\rm NH^+_4\ at\ pH\ 4,NH_3\ at \ pH\ 8\) and NH+ at pH 11
3
\(\rm NH_3\ at\ pH\ 4,NH_4^+\ at\ pH\ 8\) and \(\rm NH_4^+\ at\ pH\ 11\)
4
\(\rm NH_3\ at\ pH\ 4,NH_4^+\ at\ pH\ 8\) and NH3 at pH 11
5
Question Not Attempted