JEE IIT Main Mock Test 5 Free Online Test 2026

The correct order of acidic strength of the compounds, 1 – 3 is 

The mechanism involved in the following conversion is 

The correct order of bond angle of the following compound is 

The rate law for one of the mechanism of the pyrolysis of CH₃CHO at 520 oC and 0.2 bar is 

The overall activation energy Ea in terms of rate law is: 

The correct IUPAC name of compound given below is 

The stopping potential (V₀) of photosensitive surface varies with the frequency of incident radiation as shown in the following figure.  The work function of photosensitive surface.

5.6 litre of an unknown gas at NTP requires 12.5 calorie to raise its temperature by 10 oC at constant volume. 

The value of ( PV_m )_P→0 of a real gas is independent of the nature of gas because 

Which of the following oxide cannot be reduced by carbon reduction? 

Which of the following can show both optical and geometrical isomeris? 

Which of the following is (are) correct statement (s)? 

Which of the following gives Cannizzaro’s reaction? 

Which of the following have identical bond order? 

A reversible process is performed in such a way that the system passes from state 1 to state 2 by path-I and then from state 2 to state one by path

II as shown in figure 5.

For the above process 

That the quantity    is not depends on the path of the reaction, but depends on initial and final state  of the system.  

The quantity    in the above process is called 

A reversible process is performed in such a way that the system passes from state 1 to state 2 by path-I and then from state 2 to state one by path

II as shown in figure 5.

For the above process 

That the quantity    is not depends on the path of the reaction, but depends on initial and final state  of the system.  

In thermodynamics, a process is called reversible when: 

Observe the given curve for a substance and identify the correct statement. 

There are some deposits of nitrates and phosphates in the earth’s crust. Nitrates are more soluble in water. Nitrates are difficult to reduce under the laboratory conditions but microbes do it easily. Ammonia forms large number of complexes with transition metal ions. 

Select the correct statement among the following:  

There are some deposits of nitrates and phosphates in the earth’s crust. Nitrates are more soluble in water. Nitrates are difficult to reduce under the laboratory conditions but microbes do it easily. Ammonia forms large number of complexes with transition metal ions.  

Nitrates are mainly produced for use as fertilizers in agriculture because of their  

The degree of unsaturation in the product of following reaction is  

Which chlorine in the following compound is most reactive towards nucleophilic (weak base)  substitution reaction? 

In how many of the following compound plane of symmetry is present. 

 CH₃Cl,  CH₂Cl₂, XeF₄, CH₃CH=C=CHCH₃, CH₃CH(OH)Cl 

How many corners of tetrahedral SiO₄⁴⁻ unite shared in cyclic silicates?  

How many OH groups are present in tetraborate anion? 

A solution is prepared by mixing equal volume of two solutions A and B with pH 8 and 10 respectively. The pH of resultant solution is given as pH = x + 1 – log 2. The value of x is 

P₄O₆ contains N lone pairs of electron, M number of P-P bonds and X number of P – O bonds. The value of N - M + X is 

How man y π-e lectrons are present in the final product in the following reaction? 

When the hematite ore is burnt in air with coke in blast furnace, The change in oxidation number of carbon in the reduction zone of the furnace is  

How many lone pair of electrons at Xe atom are present in XeOF₄? 

Range of the function,     (where sgn (⋅) denotes the signum function and [⋅] greatest integer function, {.} is a fractional function) 

Let the circles S1 ≡ x² + y² – 4x – 8y + 4 = 0 and S₂ be its image in the line y = x, the equation of the circle touching y = x at (1, 1) and orthogonal to S₂ is