Question # 1

In Friedal-Craft's alkylation besides AICI3 the other reactants are

Choose an answer

C6H6 + NH3

C6H6 + CH4

C6H6 + CH3CI

C6H6 + CH3COCI

Which is true for an element R present in group 13 of the periodic table?

Choose an answer

It is a gas at room temperature

It has oxidation state of +4

It forms R₂O₃

It forms RX₂

The disaccharide present in milk is

Choose an answer

Sucrose

Maltose

Lactose

Cellobiose

Which of the substances Na, Hg, S Pt and graphic can be used as electrodes in electrolytic cells having aqueous solution?

Choose an answer

Na,Pt and graphite

Na and Hg

Pt and graphite only

Na and S only

Heating a micture of sodium benzoate and soda lime gives

Choose an answer

Benzene

Methane

Sodium benzoate

Calcium benzoate

How many kinds of space lattices are possible in a crystal?

Choose an answer

23

7

230

14

Fluorine does not show positive oxidation states due to the absence of

Choose an answer

d-orbitals

s-orbitals

p-orbitals

None

The effect of increasing the pressure on the following equilibrium 2A + 3B | | 3A + 2B is

Choose an answer

Forward reaction is favoured

Backward reaction is favoured

No effect

None of the above

Which of the following statement is correct if the intermolecular forces in liquids A, B and C are in the order A < B < C?

Choose an answer

B evaporates more readily than A

B evaporates less readily than C

A and B evaporates at the same rate

A evaporates more readily than C

Calcium cyanamide on treatment with steam under pressure gives NH₃ and

Choose an answer

Calcium carbonate

Calcium hydroxide

Calcium oxide

Calcium bicarbonate

Which of the following pairs are chemically dissimilar?

Choose an answer

Na and K

Ba and Sr

Zr and Hf

Ca and Zn

More Classes

Other Links

NAT I Engineering Chemistry 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