Which of the reactant pair will react spontaneously?

0 ⤊

Which of the reactant pair will react spontaneously? And how do you tell?

1. F(-)/Li(+)
2. Mg(2+)/Ba
3. Cr(3+) / OH(-)

2007-06-10 07:29:30 · 2 answers · asked by !xobile 1 in Science & Mathematics ➔ Chemistry

Also these pairs
4. Pb(2+) / Ag
5. Fe(3+) / Sn(2+)
6. Br2 / Mg
7. Ni(2+) / I (-)

2007-06-10 09:37:06 · update #1

1 will react spontaneously because of the high electronegativity of flourine

2007-06-10 07:35:08 · answer #1 · answered by Earl S 2 · 0⤊ 0⤋

1. Do not react because there is no insoluble product.

2. Mg2+ + Ba ===> Mg(s) + Ba2+

3. Cr3+ + 3OH- ===> Cr(OH)3(s)

2007-06-10 07:36:57 · answer #2 · answered by steve_geo1 7 · 0⤊ 0⤋