Skip to content

Question

Hypo is used in photography because it is:

Options

Choose one · Correct answer highlighted

Explanation

Sodium thiosulfate, hypo, dissolves unexposed silver bromide by forming soluble complex [Ag(S2O3)2]3-, fixing image and preventing further darkening. Its complexing ability removes residual photosensitive halide rather than acting as reductant or oxidant.

Discussion

Comments

0 comments

No comments yet. Be the first to start the discussion.