Fsc Part 1 Chemistry MCQ's Test For Full Book With Answers

Fsc Part 1 Chemistry MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 What is the IUPAC name of CH3CH2CH3? Methane Propane Butane Ethane
2 Ethene belongs to which class of hydrocarbons. Alkane Alkene Alkyne Aromatic
3 The general formula for alkanes is. CnH2n+2 CnH2n-2 CnH2n CnH2n-1
4 Cycloalkanes differ from alkanes ny  Being cyclic Having hygher rectivity Having sigma bonds Having delocalized electrons
5 Aromatic hydrocarbons must contain. Straight chains Double bonds only A benzene ring A riple bond
6 Which class of hydrocarbons contains one or more double bonds. Alkanes Aromatics Cycloalkanes Alkenes
7 Which  of these hydroarbons is saturated Propane Ethyne Butane Cyclopentene
8 Which hydrocarbon has only single bonds. Ethene Ethyne Propane Benzene
9 Which  of the followg is an aromatic hydrocarbon  Benzene Ethene Methane Cyclohexane
10 Which of the following is an aromatic hydrocarbon Ethene Benzene Methane Cyclohexane
11 Alkanes are also called. paraffins Olefins Aromatics Alkynes
12 Hydrocarbon are compounds made of. Hydrogen and oxygen Carbon and hydrogen Carbon , hydrogen, and oxygen. Carbon and oxygen
13 The enhanced stability of conjugated diens compared to isolated dienes is primarily attributed to Inductive effects the double bonds  Increases s -character of the hybridized orbitals Delocatisation of electrons acros the conjugated system Steric hindrance between the double bonds
14 What intermediate is formed duirng the electrophilic additionof HBr TO AN ALKENE. Carbonation  Carbanion Radical Epoxide
15 The addition of unsymmetircal regent to an unsymmetrical alkene is in accordance with. markovnikov's rule Hund'srule Le Chatelier's principle Aufbau principle
16 What is the firt step in the electrophilic addition reaction of alkenes. Formation of acarbocation  Attack by nucleophile Attack by an electrophile on the double bond Formation of a free radical
17 Which of the followng reactions can an alkane undergo. Addition  Substiutution  Polymerization  Nitration 
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