A. CH4
B. C2H6
C. C2H4
D. C2H2
Submitted by: Aamir khan Hullio
Related Mcqs:
- Formaldehyde condenses with phenol in the presence of dilute H2SO4 to yield________________?
A. Nylon 66
B. urotropine
C. Aniline formaldehyde plastic
D. Bakelite - The reaction of carboxylic acids with alcohols in presence of cone. H2SO4 is called _________________?
A. esterification
B. neutralization
C. hydrolysis
D. saponification - The pH of 10-3 mol dm-3 of an aqueous solution of H2SO4 is_________________?
A. 3
B. 2.7
C. 2
D. 1.5 - Treating phenol with formaldehyde in the presence of dilute base forms Bakelite. The process involved is_________________?
A. oxidation
B. elimination
C. condensation polymerization
D. additional polymertization - Electrolysis of dilute solution of NaCl results at the anode_______________?
A. sodium
B. hydrogen
C. chlorine
D. oxygen - Which of the following is not a use of acetaldehyde ?
A. formation of phenolic resins
B. formation of mirror
C. antiseptic inhalant
D. formation of throat lozenges - Acetaldehyde cannot show
A. Iodoform test
B. Lucas test
C. Benedict’s test
D. Tollen’s testSubmitted by: Aamir khan Hullio
- Which one of the following gives white precipitate with aqueous solution of BaCl2?
A. NaHCO3
B. NaNO3
C. Na2CO3
D. Na2CrO4 - Aqueous solution of borax above 62°C gives crystals of________________?
A. Na2B4O7.4H2O
B. Na2B4O7.5H2O
C. Na2B4O7.2H2O
D. Na2B4O7.10H2O - When SO2 solution is passed over which of the following it turns green?
A. K2Cr2O7
B. H2SO4
C. SO3
D. P2O5Submitted by: Muhammad Ali Kunbhar
