List of top Chemistry Questions

Aldol condensation does not occur between

Electronic configuration of $ Cu^{ 2 + } $ ion is

Find the organic acid produced from the 11bove reaction

Out of $N_2O,SO_2,I_3^+,I_3^- ,H_2O,NO_2^- \, and \, N_3^-$the linear species are

Correct order of bond angles for the following is

Atoms in a $P_{4}$ molecule of white phosphorus are arranged regularly in the following way :

The oxidant which is used as an antiseptic is :

Chlorobenzene is ...... reactive than benzene towards electrophilic substitution and directs the incoming electrophile to the ...... position.

Which of the following reactions involves carbon-carbon bond formation?

Two ice cubes are pressed over each other until they unite to form one block. Which one of the following forces dominates for holding them together ?

$\left[F e(C N)_{6}\right]^{3-}-$ ion is

Which of the following compounds of chlorine contains both ionic and covalent bonds?

Which among the following is not a borane?

Which of the following hybridisations has planar geometry?

Which of the following displaces $Br _{2}$ from an aqueous solution containing bromide ions?

Order of reactivity towards nucleophilic substitution reaction of the compounds is

Among $TiF _{6}^{2-}, CoF _{6}^{2-}, Cu _{2} Cl _{2}$ and $NiCl _{4}^{2-}$ which are colourless species?

The. five $d$-orbitals are designated as $d_{x y}, d_{y z}, d_{x z}, d_{x^{2}-y^{2}}$ and $d_{z^{2}}$. Choose the correct statement.

Which of the following is soluble in sodium hydroxide ?

The nitrogen oxide(s) that contain(s) $N-N$ bond(s) is/are i)$N_2O$ ii) $N_2O_3$ iii) $N_2O_4$ iv) $N_2O_5$

The reaction of $P_4$ with $X$ leads selectively to $P_4O_6$. The $X$, is

The correct stability order of the following resonance structure is (I) $H_2C = _{N}^{+} = _{N}^{-} \, \, \, \, $ (II) $ H_2 \, _{C}^{+} - N = _{N}^{-}$ (c) $H_2 \, _{C}^{-} - _{N}^{+} = N \, \, \, \, $ (IV) $H_2 {C}^{-} - N = N $

In the following carbocation; $H/CH_3$ that is most likely to migrate to the positively charged carbon is

The correct statement(s) about the compound $H_3C(HO)HC-CH=CH-CH(OH)CH_3(X) $ is/are

In the reaction, $2X + B_2H_6 \longrightarrow [BH_2(X)_2] [BH_4] $ the amine(s) X is/are