Chemistry Mock ...

If a small ion moves from a regular site to interstitial site, such defect is known as 

Which of the following represents correct order of conductivity in solids

0.01 molar solutions of glucose, phenol and potassium chloride were prepared in water. The boiling points of

What will be the molality of the solution containing 18.25 g of HCl gas in 500 g of water

Which of the following solutions has the highest normality

Two solutions with equal osmotic pressure are called:

Zinc can be coated on iron to produce galvanized iron but the reverse is not possible. It is because

In the electrochemical cell:

Zn | ZnSO₄ (0.01 M) || CuSo₄(1.0 M)Cu the emf of this Daniel cell is E₁. When the concentration of ZnSO₄ is changed to 1.0 M and that of CuSO₄ Changed to 0.01M, the emf changes to E₂. From the followings which one is the relationship between E₁ and E₂?

(Given RT/F = 0.059) 

The cell reaction Cu + 2Ag⁺ → Cu⁺² + 2Ag is best represented by

Given 1 / a = 0.5cm^-1, R = 50 ohm, N = 1.0. The equivalent conductance of the electrolytic cell is 

The rate of a chemical reaction doubles for every 10°C rise of temperature. If the temperature is raised by 50°C, the rate of the reaction increases by about

Among the following graphs showing variation of rate (k) with temperature (T) for a reaction, the one that exhibits arrhenius behaviour over the entire temperature range is 

According to the adsorption theory of catalysis, the speed of the reaction increases because: 

The adsorption of a gas on a solid surface varies with pressure of the gas in which of the following manner

Extent of adsorption of adsorbate from solution phase increases with _______

Which mixture of the solutions will lead to the formation of negatively charged colloidal [Agl]I^- sol.

In the reaction with HCI, an alkene reacts in accordance with the Markovnikov's rule, to give a product 1-chloro-1-methylcyclohexane. The possible alkene is 

Which of the following represents the correct matching set?

The colour of the coordination compounds depends on the crystal field splitting. What will be the correct order of absorption of the wavelength of light in the visible region, for the complexes, [Co(NH₃)₆³⁺, [Co(CN)₆]^3-, [Co(H₂O₆)³⁺ ]

The number of S - S bonds in sulphur trioxide trimer S₃O₉ is

On heating ammonium dichromate and barium azide separately we get

Which one the following statements is true for HNO₂

Which of the following structures is the most preferred and hence of lowest energy for SO₃:

The boiling points of the following hydrides follow the order of

Bleaching powder loses its power on keeping for a long time because

When I₂ is passed through KCL, KF and KBr solutions

In which case, the order of acidic strength is not correct

Helium is used in balloons in place of hydrogen because it is

Which of the following is NOT an actinide?

Benzene reacts with CO and HCl under pressure to form:

Ethyl alcohol cannot be used as a solvent for methyl magnesium iodide because

Which of the following is added to ether to test its purity?

The source of nitrogen in Gabriel synthesis of amines is _______

Reduction of aromatic nitro compounds using Fe and HCI gives ______

Best method of preparing 1° amines form alkyl halide is by

Consider the following reaction

CH₃CH₂CHO\(\xrightarrow[(Aldol)]{NaOH,\triangle}\)A. A is 

When a nucleophile encounters a ketone, the site of attack is 

Carboxylic acid undergoes ionisation due to

In reaction

the anhydrous AlCl₃ is acting as :

Among the following enolisation is maximum in case of 

Which of the following order of acid strength is correct?

The heating of phenyl - methyl ethers with HI produces

In presence of Cu catalyst, (CH₃)₃ COH changes to 

Grignard reagent can convert the following into carbonyl compound except in

Which of the following is not correct regarding terylene

The most suitable catalyst used in the manufacturing of terylene is 

Which of the following is the best hydride donor?

Given below are two statements, one is labelled as Assertion (A) and other as Reason (R):

Assertion (A): Invert sugar is more sweeter than sucrose.

Reason (R): Invert sugar is obtained by the hydrolysis of sucrose.

Select the correct answer from the codes given below.

Alkaline hydrolysis of CH₃CN forms 

The artificial sweetener containing chlorine that has the appearance and taste as that of sugar and remains stable at cooking temperature, is