Vinylacetylene combines with HCI to form___________________?
A. polyacetylene
B. benzene
C. chloroprene
D. divinyl acetylene
Aliphatic Hydrocarbons
Raney nickel is prepared from ______________________ by treating with caustic soda?
Raney nickel is prepared from ______________________ by treating with caustic soda?
A. Ni-Cu alloy
B. Ni-Fe alloy
C. Ni-Al alloy
D. Ni-Mg alloy
Reactivity due to pi-electrons is present in_________________?
Reactivity due to pi-electrons is present in_________________?
A. alkane
B. alkene
C. alkyne
D. both B & C
Removal of halogen and hydrogen atom is_________________?
Removal of halogen and hydrogen atom is_________________?
A. halogenation
B. dehalogenation
C. dehydrohalogenation
D. hydrohalogenation
General formula of alkyne is______________?
General formula of alkyne is______________?
A. CnH2n + 2
B. CnH2n – 2
C. CnH2n
D. CnH2n + 2
Order of ease of halogenation in alkane is________________?
Order of ease of halogenation in alkane is________________?
A. I2>Cl2>Br2>F2
B. F2>Cl2>I2>Br2
C. F2>Cl2>Br2>I2
D. Cl2>F2>Br2>I2
Incomplete oxidation of methane in the limited supply of air forms ?
Incomplete oxidation of methane in the limited supply of air forms ?
A. CO2 and H2O
B. CH3OH
C. CO + H2 + C
D. CO + H2O + C
Upto ___________________ C atoms alkanes are gases?
Upto ___________________ C atoms alkanes are gases?
A. 2
B. 3
C. 4
D. 6
Dehalogenation of ethyl tetrahalide will give____________________?
Dehalogenation of ethyl tetrahalide will give____________________?
A. ethene
B. ethyne
C. ethyl halide
D. all of the above are possible
Soda lime is a mixture of____________________?
Soda lime is a mixture of____________________?
A. CaO and KOH
B. CaO and NaOH
C. NaOH and Na2O
D. Na2O and KOH