Chemistry Fsc Part 2 Chapter 10 Online Test With Answers

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Chemistry Fsc Part 2 Chapter 10 Online Test

Sr. # Questions Answers Choice
1 What products is formed when ethyl bromide reacts with magnesium to form Grignard's reagent. Pyridine Anhydrous ether Ethyl alcohol Carbon tetrachloride
2 Which substance is used to convert Grignard reagent to alkane. H2O NH3 Ethyl alcohol All of these
3 Which one of the following molecules does not form alcohol when reacts with a Grignard reagent. Formaldehyde Acetaldehyde Propanone CO2
4 Which one of the following alcohols will be formed when ethyl magnesium bromide reacts with acetone. Primary alcohol Secondary alcohol Tertiary alcohol Dehydrin alcohol
5 Which one of the following alkanes will be formed by the hydrolysis of ethyl magnesium bromide Methane Ethane Butane do not hydrolysed
6 Acetic acid can be obtained from CH3MgI by treatment with. H2O CINH2 CO2 HCHO
7 The general representation for Grignard reagent is. RMgX ReMgX RXMg RMgX2
8 Which alkyl halide does not form Grignard's reagent. CH3-Br CH3-Cl CH3- F CH3-I
9 Which one of the following will be required to form ethene from ethyl chloride. Alcoholic KOH Aqueous KOH Alkaline KMnO4 Bromine
10 Which one of the following reactants will be required to form ethyl alcohol form ethyl bromide. Alcoholic KOH Aqueous KOH Alkaline KMnO4 Sodium metal in ether
11 Which one of the following products will be formed in Wurtz reaction when sodium metal reacts with ethyl chloride in anhydrous ether. Methane Ethane Propane Butane
12 The reaction of alkyl halides with sodium metal in the presence of ether to from alkane is known as. Wortz reaction Frankland reaction Sabatier sendron Kolbe's synthesis
13 An alkyl halide may be converted to alcohol by Addition Substitution Dehydrohalogenation Elimination
14 Which one of the following species is not an electrophile. HN3 Br H+ BF3
15 In unimolecular reactions, the reaction completes in <sub>One step</sub> Two steps Three steps None of these
16 Which one of the following species is a nucleophile CH3 (CH3)2 C BF3 OH-
17 SN2 mechanism involves 1st order kinetic 2nd order kinetic 3rd order kinetic Zero order kinetic
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