In unsaturated hydrocarbons electrons favour___________________?
(A) less reactivity
(B) addition reactions
(C) substitution reactions
(D) none
Alkenes are produced from dehalogenation of________________?
(A) dihalo alkane
(B) trihalo alkane
(C) vicinal dihalo alkane
(D) vicinal trihalo alkane
Vinylacetylene combines with HCI to form___________________?
(A) polyacetylene
(B) benzene
(C) chloroprene
(D) divinyl acetylene
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_________________?
(A) alkane
(B) alkene
(C) alkyne
(D) both B & C
Removal of halogen and hydrogen atom is_________________?
(A) halogenation
(B) dehalogenation
(C) dehydrohalogenation
(D) hydrohalogenation
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 ?
(A) CO2 and H2O
(B) CH3OH
(C) CO + H2 + C
(D) CO + H2O + C