Question # 1

Hydrogenation of alkenes and alkynes takes place at room temperature in the presence of.

Choose an answer

Ni

Pt

Pd

Both a and b

Which compound do not produce in the halogenation of methane.

Choose an answer

Chloroform

Carbon tetrachloride

Carbon black

Chloromethane

Dehydrohalogenation takes place in the presence of .

Choose an answer

NaOH aqueous

Alcoholic KOH

Aqeous KOH

Alcoholic NaOH

Which of the following gas is used in warfare?

Choose an answer

Methane

Ethane gas

Mustard gas

None of these

A hydrocarbon has molecular formula C₈H₁₄. What is the molecular formula of the next number of the same homologous series.

Choose an answer

C₉H₁₈

C₉H₁₆

C₉H₂₀

C₉H₁₂

The end product of oxidation of acetylene is .

Choose an answer

Oxalic acid

Glyoxal

Glycol

None of these

Which are called paraffines?

Choose an answer

Alkyle

Alkynes

Alkenes

Alkanes

Chemical formula of chloroform.

Choose an answer

CH₃Cl

CH₂O₂

CHCl₂

CCl₄

Which of following dehydration of alcohols take place:

Choose an answer

NaOH

KOH

H₂SO₄

HCl

Oxidation of ethene with KMnO₄produces.

Choose an answer

oxalic acid

glyoxal

ethene glycol

Propene glycol

The alkanes consisting of C₅ to C₁₀

Choose an answer

gases

liquids

solid

plasma

In which one of the following is a substitution reaction?

Choose an answer

Halogenations of alkynes

Halogenations of alkenes

Halogenations of alkanes

Bromination of alkenes

More Classes

Other Links

Chemistry 10th Class English Medium Unit 12 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer