Browse and search thousands of solved questions for your preparation.
Free questions with full explanations — locked behind signup to protect quality.
Among the following, the compound that is electron deficient is:
Intramolecular hydrogen bonding is present in:
The correct order of electronegativity of hybrid orbitals of carbon is:
A molecule among the following that has the maximum dipole moment is:
Identify the incorrect statement among the following options:
For a certain reaction, the rate = $k[A]^2[B]$, when the initial concentration of A is tripled keeping the concentration of B constant, the initial rate would be:
The correct statement among the following is:
Which mixture of the solutions will lead to the formation of negatively charged colloidal $[AgI]I^-$ sol ?
In which of the following pairs, both the species are not isostructural?
For the reaction $2A \rightarrow B + C$, it would be a zero-order reaction when:
The activation energy for a simple chemical reaction $A \rightarrow B$ is $E_a$ in a forward direction. The activation energy for the reverse reaction:
Among the options given below, identify the isoelectronic species:
Match List-I (Molecules) with List-II (Shapes): List-I: (a) $PCl_5$ (b) $SF_6$ (c) $BrF_5$ (d) $BF_3$ List-II: (i) Square pyramidal (ii) Trigonal planar (iii) Octahedral (iv) Trigonal bipyramidal Choose the correct answer from the options given below:
Paramagnetic species among the following is:
If a first-order reaction reaches 60% completion within 60 minutes, approximately how much time would it take for the same reaction to reach 50% completion? ($\log 4=0.60$, $\log 5=0.69$)
In the reaction, $3A \rightarrow 2B$ the rate of reaction $+\frac{d[B]}{dt}$ is equal to:
An organic compound A ($\text{C}_4\text{H}_9\text{Cl}$) in reaction with $\text{Na}$/diethyl ether gives a hydrocarbon which on monochlorination gives only one chloro derivative. A is:
A few reactions are given below: (i) $\text{CH}_3\text{CH}_2\text{CH}_2\text{Br} + \text{KOH} \rightarrow \text{CH}_3\text{CH=CH}_2 + \text{KBr} + \text{H}_2\text{O}$ (ii) [Missing] (iii) [Missing] Select the reaction type for the above reactions:
Find the emf of the cell in which the following reaction takes place at $298\text{ K}$: $Ni(s) + 2Ag^+(0.001\text{ M}) \rightarrow Ni^{2+}(0.001\text{ M}) + 2Ag(s)$ (Given that $E^{\circ}_{cell} = 1.05\text{ V}; \frac{2.303RT}{F} = 0.059$)
Find the correct sequence of the bond enthalpy of the $\text{C-X}$ bond among the following: