Chemistry Mock Test-8

In an isobaric process, the ratio of heat supplied to the system (dQ) and work done by the system (dW) for diatomic gas is

The combustion enthalpies of carbon , hydrogen and methane are -395.5 kJ mol⁻¹,-284.8 kJ mol⁻¹ and -890.4 kJ mol⁻¹ respectively at 25⁰ C. The value of standard formation enthalpies of methane at that temperature is

Indicator used in the titration of oxalic acid and NaOH is

Which of the following is the buffer solution

In the reaction : 2P₂O₅ + 2HNO₃ → P₄O₁₀ + x, the term x is

Which of the following is a redox reaction

Which of the following shows electrical conduction?

The process associated with sodium carbonate manufacture is known as….process

The empirical formula of an acid is CH₂O₂ , the probable molecular formula of acid may be

If a compound, on analysis was found to contain C=18.5% ,H=1.55%, Cl=55.04% and O=24.81%, then its empirical formula is

The main constituent of a natural gas is

When acetylene reacts with arsenic trichloride in the presence of anhydrous aluminium chloride, it produces

In crystals of which one of the following ionic compounds would you expect maximum distance between centres of cations and anions

Each unit cell of NaCl consists of 6 chlorine atoms and

Which of the following statements is true for the electrochemical Daniel cell

In the electrolysis of aqueous solution of CuSO₄ using copper electrodes, the process that takes place at the anode is

The most effective electrolyte for the coagulation of As₂S₃ sol is

Cosin used to detect end point of precipitation titration by absorption is called

SO₂ reacts with Cl in sunlight to form

How many P = O bond present in (HPO₃)₃

Which of the following elements are analogous to the lanthanides

The basic character of the transition metal monoxides follows the order
(Atomic nos. Ti = 22, V = 23, Cr = 24 , Fe = 26)

Which one of the following forms with an excess of CN⁻ (cyanide) a complex having coordination number two

CN⁻ is a strong fields ligand.This is due to the fact that

Which of the following reaction is an example of nucleophilic substitution reaction

Which of the following has highest chlorine content

Salicylic acids is prepared from phenol by

Diethyl ether is isomeric with

Which of the following is formed, when benzaldehyde reacts with alcoholic KCN

Reduction by LiAlH₄ of hydrolysed product of an ester gives

Reaction of nitrous acid with aliphatic primary amine will give

Hofmann bromamide reaction is used to prepare

Phospholipids are esters of glycerol with

N-terminal amino acids are identified by using

Which of the following brings down fever

A gas can be liquefied

Average molar kinetic energy of CO and N₂ at same temperature is

A mixture of camphor and benzoic acid can be separated by

A hydrogen contains 20% hydrogen and 80% carbon.The empirical formula is

Who modified Bohr’s theory by introducing elliptical orbits for electron path

The number of unpaired electrons in 1s² 2s² 2p³ is

The amount of energy,which is released due to the addition of extra electron to the outermost orbital of gaseous atom,is called

The first ionisation potential will be maximum for

Which of the following hydrogen bonds are strongest in vapour phase

Which type of bond is there in H₂S molecules