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Chemistry 1488 MCQs [All-Courses]

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Alkanes are also known as________________?

A saturated hydrocarbon

B unsaturated hydrocarbon

C paraffins

D both A & C

Review Detailed Answer

Correct Answer: paraffins

An element has electronic conviguration 1s2 2s2 2p2. It belongs to__________________?

A Group II-A

B Group IV-A

C Group VII-A

D Group VI-A

Review Detailed Answer

Correct Answer: Group IV-A

Alkanes containing a methyl group on main chain at 2nd carbon are called________________?

A iso-alkane

B normal-alkane

C neo-alkane

D branched-alkane

Review Detailed Answer

Correct Answer: iso-alkane

The atomic radii decreases by increasing atomic number in________________?

A Alkali metal

B Alkaline earth metal

C Elements from Li to Ne

D Halogens

Review Detailed Answer

Correct Answer: Elements from Li to Ne

The anhydride of HCIO4 is_________________?

A Cl2O

B Cl2O6

C ClO2

D Cl2O7

Review Detailed Answer

Correct Answer: Cl2O

Many properties of an element and its compounds can be predicted from the position of the element in the periodic table. What property could not be predicted in this way ?

A The nature of its oxides

B The charge on its ions

C The formula of its oxide

D Its number of isotopes

Review Detailed Answer

Correct Answer: Its number of isotopes

In which compound of Xenon the oxidation state of Xenon is + 6?

A XeF4

B XeOF4

C XeOF2

D Na4XeO6

Review Detailed Answer

Correct Answer: XeOF4

Which one of the following sets consists of all coinage metals ?

A Cu Hg Au

B Cu Ag Au

C Ag Au Hg

D Cu Fe Au

Review Detailed Answer

Correct Answer: Cu Ag Au

Which of the following is the weakest reducing agent ?

A HF

B HBr

C HC

D HI

Review Detailed Answer

Correct Answer: HF

Best position of hydrogen in the periodic table is above I.A Group which is mainly due to_______________?

A Both are electropositive

B Similar outer most shell electronic configuration

C Both form ionic compounds

D All

Review Detailed Answer

Correct Answer: All

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Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

Alkanes are also known as________________?

An element has electronic conviguration 1s2 2s2 2p2. It belongs to__________________?

Alkanes containing a methyl group on main chain at 2nd carbon are called________________?

The atomic radii decreases by increasing atomic number in________________?

The anhydride of HCIO4 is_________________?

Many properties of an element and its compounds can be predicted from the position of the element in the periodic table. What property could not be predicted in this way ?

In which compound of Xenon the oxidation state of Xenon is + 6?

Which one of the following sets consists of all coinage metals ?

Which of the following is the weakest reducing agent ?

Best position of hydrogen in the periodic table is above I.A Group which is mainly due to_______________?