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Chemistry 1488 MCQs [All-Courses]

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Magnetic quantum number specifies___________?

A Size of orbitals

B Shape of orbitals

C Orientation of orbitals

D All of the above

Review Detailed Answer

Correct Answer: Orientation of orbitals

Reacting bromine with benzene in the presence of sunlight will result in_______________?

A The rupturing of benzene ring

B Substitution reaction

C Addition reaction

D No-reaction

Review Detailed Answer

Correct Answer: Addition reaction

In complex compounds the oxidation number is written in___________________?

A English

B Greek

C Roman numeral

D Hebrew

Review Detailed Answer

Correct Answer: Roman numeral

If R is the Rydberg constant for hydrogen, then wave-number of the second line in the Lyman series is _________?

A 2 R

B R/2

C 3R/4

D R/4

Review Detailed Answer

Correct Answer: 3R/4

Which one of the following methods will not give benzene ?

A Heating sod. Salt of Benzoic acid with soda lime

B Distilling phenol with Zn dust

C Chlorobenzene with NaOH at 360°C & 150atm.

D Hydrolysis of benzene sulphonic acid with super heated steam

Review Detailed Answer

Correct Answer: Chlorobenzene with NaOH at 360°C & 150atm.

The central atom along with ligands is called____________________?

A complex ion

B coordination sphere

C ligand

D complex compound

Review Detailed Answer

Correct Answer: coordination sphere

Generally the limit of visible spectrum is__________?

A 1000 to 300 A°

B 3800 to 7600 A°

C 8000 to 10,000 A°

D 12,000 to 15,000 A°

Review Detailed Answer

Correct Answer: 3800 to 7600 A°

What catalyst is employed when benzene is prepared from acetylene at 70°C?

A Cr2O3 + A2O3 + SiO2

B Raney nickel

C Organo-nickel

D Ni 250 – 300°C

Review Detailed Answer

Correct Answer: Organo-nickel

The species which donate two electron pairs in a coordination compound is called__________________?

A ligand

B mono-dentate ligand

C poly-dentate ligand

D bi-dentate ligand

Review Detailed Answer

Correct Answer: ligand

Which one of the following is the correct sequence according to atomic weights?

A Fe>Co> Ni

B Co > Ni > Fe

C Ni> Co> Fe

D Co >Fe>Ni

Review Detailed Answer

Correct Answer: Co > Ni > Fe

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Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

Magnetic quantum number specifies___________?

Reacting bromine with benzene in the presence of sunlight will result in_______________?

In complex compounds the oxidation number is written in___________________?

If R is the Rydberg constant for hydrogen, then wave-number of the second line in the Lyman series is _________?

Which one of the following methods will not give benzene ?

The central atom along with ligands is called____________________?

Generally the limit of visible spectrum is__________?

What catalyst is employed when benzene is prepared from acetylene at 70°C?

The species which donate two electron pairs in a coordination compound is called__________________?

Which one of the following is the correct sequence according to atomic weights?