A. White colour
B. Yellow colour
C. Red colour
D. Blue colour
Submitted by: Aamir khan Hullio
Related Mcqs:
- On heating aldehydes with Fehlings solution we get a precipitate whose colour is_________________?
A. pink
B. black
C. yellow
D. brick red - On heating aldehydes with Fehlings solution we get a precipitate whose colour is_________________?
A. pink
B. black
C. yellow
D. brick red - Which one of the following gives white precipitate with aqueous solution of BaCl2?
A. NaHCO3
B. NaNO3
C. Na2CO3
D. Na2CrO4 - 58.5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be___________________?
A. 0.1 M
B. 1 m
C. 1 M
D. 0.1 N - moles of each aluminium and oxygen react with each other to produce aluminium oxide. The amount of product formed is______________________?
A. 0.18 mole
B. 0.27 mole
C. 0.24 mole
D. 0.09 mole - Which of the following elements react with steam to produce H2 gas?
A. Pd
B. Ni
C. Sn
D. All of the above - When CO2 is made to react with ethy1 magnesium iodide in dry ether followed by acid hydrolysis yields______________?
A. Carboxylic acid
B. Ethanoic acid
C. Propanoic acid
D. Butanoic acid - Which of the following compounds will react with Tollens reagent ?
A. CH3-CHO
B. CH3-CH-CH3
C. CH3-COOH
D. CH3-CO-CH2-CH3 - Which of the following reagents will react with both aldehydes and ketones ?
A. Grignard reagent
B. Tollens reagent
C. Fehlings reagent
D. Benedicts reagent - Oxygen does not react with all except_________________?
A. Alkali
B. Acid
C. Water
D. Metals
The correct answer to the question: "Fehling solution react with HCHO to form precipitate of _____________?" is "Red colour ".
