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Chemistry 1488 MCQs [All-Courses]

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The resonance energy of benzene is__________________?

A 150.5 kJ/mol

B 250.5 kJ/mol

C 150.5 Cal/mol

D 250.5 Cal/mol

Review Detailed Answer

Correct Answer: 150.5 kJ/mol

Alpha particles can be detected by using___________?

A Gold foils

B Barium sulphate

C Zinc sulphide screen

D Thin Aluminium sheet

Review Detailed Answer

Correct Answer: Zinc sulphide screen

How many moles of H2 are added up when benzene is heated with hydrogen in the presence of platinum ?

A Two

B Three

C Four

D Six

Review Detailed Answer

Correct Answer: Three

When 0.01 moles of NaOH are added to a buffer solution, its PH changes from 4.745 to 4.832. What is its?

A 0.115

B 0.9

C 0.015

D 0.215

Review Detailed Answer

Correct Answer: 0.115

Michael Faraday discovered benzene in the gas which was produced by destructive distillation of vegetable oil that is done in________________?

A The presence of Oxygen

B The presence of Hydrogen

C The absence of Oxygen

D The presence of excessive Oxygen

Review Detailed Answer

Correct Answer: The absence of Oxygen

The PH of pure water at 25°C, kw=1×10-4____________?

A 0

B 7

C 14

D None of above

Review Detailed Answer

Correct Answer: 7

When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?

A Bromine

B Chlorine

C Fluorine

D Iodine

Review Detailed Answer

Correct Answer: Iodine

The PH of Tears is __________?

A 7

B 7.4

C 7.8

D 8.2

Review Detailed Answer

Correct Answer: 7.4

How many electrons are there in benzene to form delocalized electron cloud________________?

A 3

B 4

C 6

D 8

Review Detailed Answer

Correct Answer: 6

The PH of milk is __________?

A 6

B 6.5

C 7

D 7.5

Review Detailed Answer

Correct Answer: 6.5

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Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

The resonance energy of benzene is__________________?

Alpha particles can be detected by using___________?

How many moles of H2 are added up when benzene is heated with hydrogen in the presence of platinum ?

When 0.01 moles of NaOH are added to a buffer solution, its PH changes from 4.745 to 4.832. What is its?

Michael Faraday discovered benzene in the gas which was produced by destructive distillation of vegetable oil that is done in________________?

The PH of pure water at 25°C, kw=1×10-4____________?

When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?

The PH of Tears is __________?

How many electrons are there in benzene to form delocalized electron cloud________________?

The PH of milk is __________?