Chemistry MCQS with Answers Set 2

Which of the following will not change the concentration of ammonia in the equilibrium N₂(g) + 3H₂(g)  2NH₃(g): ?H = -kj

Addition of catalyst

Increase of temperature

Decrease of volume

Increase of pressure

For the carbylamine reaction we need hot alc.KOH and

A mono alkyl amine and trichlorom-ethane

Any amin and chloroform

A primary amine and chloroform

Chloroform and Ag powder

Which one of the halogen acid is a liquid?

HF

HI

HBr

HCI

The relative rate of diffusion of a gas (molecular wright – 128) as compared to oxygen is

4-Jan

8-Jan

2 times

2-Jan

Which is not a colligative property?

Osmotic pressure

Depression of freezing point

Lowering of vapour pressure

Elevation of boiling point

Which one is primary alcohol?

2,3-Dimethylhexane-4-oI

Buten-2-oI

Butane-1-oI

Propan-2-oI

Which of the following pairs are chemically dissimilar?

Ba and Sr

Zr and Hf

Na and K

Ca and Zn

Calcium cyanamide on treatment with steam under pressure gives NH₃ and

Calcium oxide

Calcium carbonate

Calcium hydroxide

Calcium bicarbonate

The disaccharide present in milk is

Sucrose

Cellobiose

Lactose

Maltose

The IUPAC name of the compound having the formula (CH3) 3 C – CH = CH2 is

1, 1 -Dimethyl-3-butene

3,3,-Dimethyl-1-butene

3,3,3-Trimethyl-1-propene

1,1,1-Trimethyl-3-propene