List of top Questions asked in VITEEE

Condition for spontaneity in an isothermal process is
Given: 2C(s) + O₂(g) \(\rightarrow\) 2CO₂(g); \[ \Delta H = -787 \, \text{kJ} \] H₂(g) + \( \frac{1}{2} \)O₂(g) \(\rightarrow\) H₂O(l); \[ \Delta H = -286 \, \text{kJ} \] C₂H₂(g) + \( \frac{5}{2} \)O₂(g) \(\rightarrow\) 2CO₂(g) + H₂O(l); \[ \Delta H = -1310 \, \text{kJ} \] The heat of formation of acetylene is
Given the equilibrium system: \[ \text{NH₄Cl(s)} \rightleftharpoons \text{NH₃(aq)} + \text{Cl⁻(aq)} \quad \Delta H = +3.5 \, \text{Kcal/mol} \] What change will shift the equilibrium to the right?
According to Arrhenius equation, the rate constant (k) is related to temperature (T) as
Equivalent amounts of H₂ and I₂ are heated in a closed vessel till equilibrium is obtained. If 80% of the hydrogen can be converted to HI, the \( K_c \) at this temperature is
For the reaction \( H_2(g) + I_2(g) \rightleftharpoons 2HI(g) \), the equilibrium constant \( K_p \) changes with
How long (in hours) must a current of 5.0 amperes be maintained to electroplate 60g of calcium from molten CaCl₂?
The 8:8 type of packing is present in
When a solid melts reversibly
Enthalpy is equal to
Among the following, the compound that is both paramagnetic and coloured is
On an X-ray diffraction photograph, the intensity of the spots depends on
An ion leaves its regular site occupy a position in the space between the lattice sites is called
A nuclear reaction of \( ^{235}_{92}U \) with a neutron produces \( ^{90}_{37}Kr \) and two neutrons. Other element produced in this reaction is
The IUPAC name of \( [Ni(PPh₃)_2Cl₂]^{2+ \) is}
Transesterification is the process of
The correct sequence of base strengths in aqueous solution is
When aqueous solution of benzene diazonium chloride is boiled, the product formed is
The carbamylation reaction is given by aliphatic
C₆H₅CHO + NH₃ \(\xrightarrow{H_2, Ni}\) ?
In TeCl₆, the central atom tellurium involves
The purple colour of KMnO₄ is due to the transition
Rising and setting sun appears to be reddish because
The catalyst used in Rosenmund reaction is
(CH₃CO)₂O + RMgX \(\xrightarrow{H_2O}\) ?