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MDCAT Chemistry Chapter 10 Chemical bonding Online Test MCQs With Answers

Question # 1

Which of the following elements is most metallic

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Question # 2

Which element differs from rest of elements of its group?

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Question # 3

Which is the least reactive of all the alkali metals

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Question # 4

The general electronic configuration of group IV-A elements is

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ns2, np6

ns2, np4

ns2, np3

ns2, np2

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Question # 5

Which is not mineral of AI?

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Diaspore

Corrundam

Bauxite

Galena

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Question # 6

Which alkaline earth metal makes peroxide?

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Question # 7

Elements of group IV-A are

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neither strongly electropositive nor strongly electronegative

strongly electropositive

strongly electronegative

none of these

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Question # 8

Which compound gives carbon when heated with conc. H2SO4.

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Starch

Ethyl alcohol

Oxalic acid

Formic acid

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Question # 9

What is the formula of cryolite?

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Al2O3.2H2O

Na2B4O7 .10 H2O

Na3AIF6

Ca2B6O11. 5H2O

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Question # 10

Elements of II-A group are called alkaline earth metals due to the reason that

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they occur in earth only

they form divalent cations only

they have ns2 electronic configuration

their oxides and hydroxides are alkaline in nature and metals are present in earth crust

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Question # 11

Which of the following element has high m.p and b.p, it acts as a reducing agent, and can react with bases?

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