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Cannizaros reaction takes place through the transfer of ____________________ from complex anion?
A. hydrogen ion B. hydride ion C. oxide ion D. methoxide ion Submitted by :- Jamil Ahmed
Dry distillation of calcium acetate results in the formation of_________________?
A. formaldehyde B. acetaldehyde C. methane D. acetone Submitted by :- Jamil Ahmed
Which of the following is a symmetrical ketone___________________?
A. 3 – hexanone B. acetone C. butanone D. 2-pentanone Submitted by :- Jamil Ahmed
Which one exhibits aldol condensation____________________?
A. HCHO B. C6H5CHO C. Cl3CCHO D. CH3COCH3 Submitted by :- Jamil Ahmed
Ethanal is prepared industrially by air oxidation of ethylene using palladium chloride as catalyst and _________ as promoter?
A. PdCl2 B. Cu2Cl2 C. CuCl2 D. PbCl2 Submitted by :- Jamil Ahmed
Aldehyde and ketone have same general formula for homologous series_________________?
A. CnH2nO2n B. CnH2n C. CnH2nO D. CnH2nOn+1 Submitted by :- Jamil Ahmed
On heating aldehydes with Fehlings solution we get a precipitate whose colour is_________________?
A. pink B. black C. yellow D. brick red Submitted by :- Jamil Ahmed
Formalin H-CHO / CH2O consists of mixture of formaldehyde methyl alcohol and water Percentage Of Formaldehyde in it is________________?
A. 60% B. 50% C. 37% D. 80% Submitted by :- Jamil Ahmed
Formula of haloform is_________________?
A. HCOX B. CX4 C. CHX3 D. CH3X Submitted by :- Jamil Ahmed
Crystals of Na2CO3. 10H2O when exposed to air_________________?
A. Lose water and remain solid B. Gain water and remain solid C. Gain water and become liquid D. Remains…