Which of the following represents the correct electronic configuration of VII A group elements in the ground state ?
(A) ns2p2
(B) ns2p4
(C) ns2p5
(D) ns2p6
Which of the following will be acidic_____________?
(A) propyne
(B) 1-butyne
(C) ethyne
(D) all of the above
The gas used in manufacturing of urea fertilizer__________________?
(A) C2H6
(B) C2H4
(C) C2H2
(D) CH4
Introduction of nitro group in a molecule is called___________________?
(A) nitration
(B) halogenation
(C) sulphonation
(D) amination
Which of the following is the most reactive_________________?
(A) ethane
(B) ethyne
(C) ethene
(D) benzene
R-Mg-Br is called___________________?
(A) Grignard reagent
(B) Metallic alkyl halide
(C) Both A & B
(D) Alkyl
Molozonide is unstable and changes into ozonide on_________________?
(A) reduction
(B) oxidation
(C) hydrolysis
(D) rearrangement
Removal of CO2 is called_____________________?
(A) carboxylation
(B) decarboxylation
(C) esterification
(D) hydroxylation
Hydrogenolysis results in the formation of________________?
(A) alkane
(B) alkene
(C) alkyne
(D) aldehydes