Chemistry MCQs

Page No. 25

Removal of CO2 is called_____________________?


acarboxylation

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bdecarboxylation

✓


cesterification

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dhydroxylation

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View Answer decarboxylation

Hydrogenolysis results in the formation of________________?


aalkane

✓


balkene

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calkyne

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daldehydes

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View Answer alkane

Alkanes are also known as________________?


asaturated hydrocarbon

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bunsaturated hydrocarbon

✖


cparaffins

✓


dBoth A and C

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View Answer paraffins

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


aiso-alkane

✓


bnormal-alkane

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cneo-alkane

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dbranched-alkane

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View Answer iso-alkane

The anhydride of HCIO4 is_________________?


aCl2O

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bClO2

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cCl2O6

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dCl2O7

✓


View Answer Cl2O7

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


aXeF4

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bXeOF4

✓


cXeOF2

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dNa4XeO6

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View Answer XeOF4

Which of the following is the weakest reducing agent ?


aHF

✓


bHCl

✖


cHBr

✖


dHI

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View Answer HF

Fluorine can react with_________________?


aXe

✖


bKr

✖


cRn

✖


dAll of the above

✓


View Answer All of the above

Which of the following statements is incorrect about halogens ?


aAll are non-metals

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bAll the halogens have electronic conviguration ns2p5

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cThey have high electron attinity and ionization energy

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dAll the halogens react with noble gases to form their halides

✓



Which of the halogen has highest electronegativity ?


aFluorine

✓


bChlorine

✖


cBromine

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dIodine

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View Answer Fluorine

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