Question

Silver Mirror test is given by which one of the following compounds?

• A. Benzophenone
• B. Acetaldehyde
• C. Acetone
• D. Formaldehyde

Answer 1

Answer: (B), (D)

Both formaldehyde and acetaldehyde will give this test

$\mathrm{HCHO}\stackrel{(\mathrm{Ag}(\mathrm{NH}{}_3){}_2{}^{+})}{\to }\underset{\text{ Silver mirror }}{Ag\downarrow }+$ Organic compound

$\mathrm{CH}{}_3\mathrm{CHO}\stackrel{(\mathrm{Aa}(\mathrm{NH}{}_3){}_2){}^{+}}{\to }\underset{\text{ Silver mirror }}{Ag\downarrow }+$ Organic Compound