KVPY2013ChemistryAldehydes and Ketones
Aqueous solution of metallic nitrate X reacts with NH ₄ OH to form Y which dissolves in excess NH ₄ OH . The resulting complex is reduced by acetaldehyde to deposit the metal. X and Y , respectively, are
Options
- ACs ( NO ₃ ) and CsOH
- BZn ( NO ₃ )₂ and ZnO
- CAgNO ₃ and Ag ₂ O
- DMg ( NO ₃ )₂ and Mg ( OH )₂
Correct answer
C. AgNO ₃ and Ag ₂ O
Step-by-step solution
AgNO ₃+ NH ₄ OH AgOH NH ₄ OH ( excess ) [ Ag ( NH ₃ )₂ ]+ Tollen's reagent + R - CHO R - COOH