A. +I and +R effect
B. -1 and +R effect
C. +1 and -R effect
D. -I and -R effect
Submitted by: Muhammad Ali Kunbhar
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Related Mcqs:
- In benzene sulphonic acid the sulphonic group is attached with benzene ring through ___________________?
A. Hydrogen
B. Oxygen
C. Sulphur
D. OH - When – COOH is attached directly to the benzene ring the acid is called__________________?
A. Aliphatic
B. Alicyclic
C. Carboxylic
D. Aromatic - In primary alkyl halides the halogen atom is attached to a carbon which is further attached to how many carbon atoms__________________?
A. two
B. three
C. one
D. four - Which of the following terms is used for the mass of chlorine 35.5 ?
A. relative atomic mass
B. mass number
C. atomic weight
D. relative isotopic mass - A single chlorine free radical can destroy how many ozone molecules ?
A. 10
B. 100
C. 10000
D. 100000 - Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?
A. Cl2O
B. ClO2
C. Cl2O6
D. Cl2O7 - Which is the paramagnetic oxide of chlorine ?
A. Cl2O7
B. Cl2O6
C. ClO2
D. all - The colour of chlorine gas is_______________?
A. pale yellow
B. freenish yellow
C. reddish brown
D. grayish black - Z number for chlorine is __________?
A. 35.5
B. 17
B. 15
D. 21Submitted by: Aamir khan Hullio
- Replacement of hydrogen of benzene by alkyl group in the presence of alkyl halide & aluminum chloride is known as__________________?
A. Dows process
B. Friedel & Craft acylation
C. Friedel & Craft alkylation
D. Clemmenson reduction
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