Thermodynamics
Prepared by Dr syeda Manahil Ali
Grand Test Chemistry ( Hydrocarbons)
Chemistry Model Paper 2026 by Genius Coaching Center For All Sindh and Karachi boards. This paper includes 30 MCQs, 06 Short and 04 Long Questions. Section "A" 1. The reason that benzene burn with soot is: a) Aromaticity b) Inflammability c) High resonance energy d) High carbon contents 2. Catechol and Resorcinol are: a) chain isomers b) metamers c) position isomers d) functional isomers 3. The hybridization of carbon in benzene is: a) sp b) sp² c) sp³ d) sp³d² 4. The formula of saturated hydrocarbon is C3H6 it should be: a) propane b) propene c) cyclopropane d) propyne 5. The dehydration of alcohol gives: a) Alkene b) alkane c) alkyne d) benzene 6. The final products obtained when HBr is added to propyne molecule: a) 1,2- dibromo propane b) 1,1- dibromo propane c) 2,2- dibromo propane d) 2,3- dibromo propane 7. Alkenes are also called: a) proteins b) paraffins c) acetylene d) Olefins 8. Welding gas among the following is: a) ethyne b...
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