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Chemistry MCQs For PMS Exams Tests Preparation Online
Q.1: The rate of E1 reaction depends upon—–?
- the concentration of substrate
- the concentration of nucleophile
- the concentration of substrate as well as nucleophile
- base the concentration of substrate as well as nucleophile
Q.2: Elimination bimolecular reactions involve————–?
- first order kinetics
- second order kinetics
- third order kinetics
- zero order kinetics
Q.3: Grignard reagent is reactive due to———-?
- the presence of halogen atom
- the presence of magnesium atom
- the polarity of C-Mg bond
Q.4: The ether used in Wurtz synthesis is———?
Q.5: Which one of the following species is not an electrophile ?
Q.6: Which one of the following alcohols will be formed when ethyl magnesium bromide reacts with acetone ?
- primary alcohol
- secondary alcohol
- tertiary alcohol
- dihydric alcohol
Q.7: 1 mole of electron has mass in microgram———?
- 1.008 x 10-3
- 5.5 x 10-4
- 1.84 x 10-4
- 1.673 x 10-3
Q.8: The use of antifreeze in the automobile radiator is an important application of———?
- constitutive property
- additive property
- colligative property
- intrinsic property
Q.9: At which electrode the reduction of the solution is occurring in Al-Ag cell——-?
Q.10: In which of the following type of reactions energy of reactant is greater than energy of product——–?