MCQ
Developed photography film is due to:
- A$\text{AgBr}$
- B$\left[\mathrm{Ag}\left(\mathrm{S}_2 \mathrm{O}_3\right)_2\right]^{3+}$
- ✓$Ag$
- D$\mathrm{Ag}_2 \mathrm{O}$
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${\left[ Co \left( NH _{3}\right)\right]^{3+}}$
${\left[ CoCl \left( NH _{3}\right)_{5}\right]^{2+}}$
${\left[ Co ( CN )_{6}\right]^{3-}}$
${\left[ Co \left( NH _{3}\right)_{5}\left( H _{2} O \right)\right]^{3+}}$
The spin-only magnetic moment value of the complex that absorbs light with shortest wavelength is $B.M.$ (Nearest integer)
Reason : In the presence of a more volatile liquid solute, only the solute will form the vapours and solvent will not.
$B$ reacts with Hydroxyl amine but does not give Tollen's test. Identify $A$ and $B$