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mnsoomro
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In cyano group the carbon atom shows which kind of hybridization___________________?
A. sp2 B. sp C. sp3 D. none of the above Submitted by :- Jamil Ahmed
In sp3 hybridization the expected geometry of molecules will be__________________?
A. square planar B. trigonal pyramidal C. tetrahedral D. linear Submitted by :- Jamil Ahmed
2-propanol and 1-propanol show the isomerism________________?
A. metamerism B. functional group isomerism C. geometric isomerism D. position isomerism Submitted by :- Jamil Ahmed
A single atom or group of atoms which gives characteristic properties to a compound is called_________________?
A. radical B. hydrocarbon C. functional group D. ion Submitted by :- Jamil Ahmed
Ether functional group can be represented as ____________________?
A. OH B. R-CO-R C. R-O-R D. R-COOH Submitted by :- Jamil Ahmed
Which one of the following compounds shows intense knocking ?
A. n-pentane B. iso-heptane C. iso-octane D. n-heptane Submitted by :- Jamil Ahmed
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 Submitted by :- Jamil Ahmed
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 Submitted by :- Jamil Ahmed
Coal is produced after a long time decay of_________________?
A. animals B. fossils C. wood D. all of the above Submitted by :- Jamil Ahmed
Rate of reactions of most organic compounds are____________________?
A. very slow B. very fast C. slow D. no regular character present Submitted by :- Jamil Ahmed