Chemistry Mock Test-2

Which of the following is endothermic reaction

In the titration of strong acid and weak base, the indicator used is

The correct order of acidic strength is

The volume of 0.05 M KMnO₄ solution required to oxidized completely 2.70g of oxalic acid (H₂C₂O₄) in acidic medium will be

A gas z is bubbled through a solution containing x⁻ and y⁻. If the reduction potential are in the order x > y >z, then

Fusion mixture is

In which process,fused sodium hydroxide is eletrolysed for extraction of sodium

Which of the following is used as refrigerant

How will you separate a solution (miscible) of benzene + CHCl₃

When ethyl chloride and alcoholic KOH are heated, the compound obtained is

Tetraethyl lead is used as

Antiferomagnetic substances possess

AB crystallizes in a body centred cubic lattice with edge length ‘a’ equal to 387 pm. The distance between two oppositely charged ions in the lattice is

Which of the following will not displace hydrogen

Standard electrode potential for Sn⁴⁺/Sn²⁺ couple is +0.15 V and that for the Cr³⁺/Cr couple is -0.74 V. These two couples in their standard state are connected to make a cell. The cell potential will be

Lyophilic colloids are stable due to

Electrophoresis is the movement of colloidal particles under the effect of

In NH₃ and PH₃, the common feature is

The elements with atomic number 9,17,35,53,85 are called

Which of the following is the most electronegative

Which of the following transition element shows the highest oxidation state

K₄[Fe(CN)₆] is a

The structure and hybridisation of Si(CH₃)₄ is

CCl₄ is used as a fire extinguisher, because

The reaction between an alkyl halide and an alkoxide ion to give an ether is known as

Rectified spirit has ethanol

The -OH group of an alcohol or the -COOH group of a carboxylic acid can be replaced by -Cl using

Which of the following is a mixed ketone

At higher temperature, iodoform reaction is given by

Cynanide and isocyanide are isomers of type

The compound which on reaction with aqueous nitrous acid at low temperature produces an oily nitrosoamine is

Night blindness is caused by the deficiency of

If one strand of DNA has the sequence ATGCTTGA,the sequence in the complementary stand would be

Which of the following is used as ”anasthesia”

Pressure is measured by

In the gas equation ,PV = nRT

Which of the following undergoes sublimation

Mass of 0.1 mole of methane is

Magnetic quantum number specifies

An electron with values 4,1,-1 and +1/2 for the set of four quantum numbers n,l,m and s, respectively belongs to

High ionisation energy indicates that

Which of the following gas is called rare gas

The molecular of CO₂ has angle 180°.It can be explained on the basis of

Identify the molecule that has zero dipole moment