The indicator used in the titration of acetic acid with sodium hydroxide for quantitative estimation is

• phenolphthalein

• methyl orange

• methyl red

• a mixture of methyl red and methyl orange

The IUPAC, name of the compound

• 2-ethyl-3-methyl butane

• 2, 3-dimethyl pentane

• 2-methyl-3-ethyl butane

• 3,4-dimethyl pentane

43.

[Pt(NH₃)₄Cl₂]Br₂ and [Pt(NH₃)₄Br₂]Cl₂ are related to each other as

• optical isomers

• coordinate isomers

• ionisation isomers

• linkage isomers

Which one of the following substances is used as an anti-knock compound?

• Tetra ethyl lead

• Lead tetrachloride

• Lead acetate

• Ethyl acetate

How many isomeric butanes are there?

• 2

• 3

• 4

• 5

Ethene gives with acidic KMnO₄ solution

• ethylene glycol

• ethylene oxide

• formaldehyde

• acetaldehyde

At normal room temperature iodoform is

• volatile liquid

• thick viscous liquid

• gas

• solid

The formula of freon-12 is

• CClF₃

• CH₂Cl₂

• CCl₂F₂

• CH₂F₂

Which of the following is reducing agent?

• LiAlH₄

• Zn + HCl

• Sn + HCl

• All of the above

The volume strength of 1.5 N H₂O₂ solution is

• 8.4

• 4.8

• 5.2

• 8.8