Ether functional group can be represented as ____________________?
(A) OH
(B) R-CO-R
(C) R-O-R
(D) R-COOH
Which one of the following compounds shows intense knocking ?
(A) n-pentane
(B) iso-heptane
(C) iso-octane
(D) n-heptane
At low temperature and pressure cracking can be done in presence of catalyst________________?
(A) Al2O3
(B) Fe2O3
(C) Al2O3 and SiO2
(D) Fe2O3 and SiO2
Crude oil is blackish coloured liquid produced after the decay of organic matter present between_________________?
(A) earth layer
(B) mountains
(C) sedimentary rocks
(D) rocks
Coal is produced after a long time decay of_________________?
(A) animals
(B) fossils
(C) wood
(D) all of the above
Rate of reactions of most organic compounds are____________________?
(A) very slow
(B) very fast
(C) slow
(D) no regular character present
The organic compounds having very high molecular weight are called _________________?
(A) carboxylic acids
(B) ketones
(C) aldehydes
(D) polymers
The property of carbon chain formation is called _________________?
(A) catenation
(B) hybridization
(C) polymerization
(D) solvation
Reaction in which heat evolves is called ____________________?
(A) endothermic
(B) spontaneous
(C) non-spontaneous
(D) exothermic
Anything which depends upon initial and final state of a system is_______________?
(A) environment
(B) surrounding
(C) state function
(D) enthalpy