List of top Chemistry Questions

Which of the following expressions gives the de-Broglie relationship?
Which of the following acids has the smallest dissociation constant?
When $KI$ is added to acidified solution of sodium nitrite, then
Surface tension vanishes at
Distillation of acetone with concentrated sulphuric acid gives
Which of the following is used as an antibiotic?
Which of the following false for tetrahedral complexes?
the reagents used in the conversion are
Which of the following has highest ionisation energy?
An element with configuration $1 s^{2}, 2 s^{2} 2 p^{6}, 3 s^{2} 3 p^{5}$ will form a compound of highest ionic character with the element having configuration
In the following reaction $NH _{4}^{+}+ BiN \rightarrow NH _{3}+ Bi ^{3+} NH _{4}^{+}$ is acting as an
In the following complex compound $\left[ Co \left( NH _{3}\right)_{4} Cl _{2}\right]^{+}$, Co and $Cl$ are collinear. Which of the following structures is possible?
The following solids are formed by $X,\, Q$ and $Z.\, XY_{2},\,X_{2}Z,\,QZ$ . Then the formula of the compound formed by $Q$ and $Y$ is
In the given compound which of the following hydrogens is most acidic? $\underset{(a)}{CH_3} -\underset{(b)}{CH_2} -\overset{\underset{||}{O}}{C} -\underset{(c)}{CH_3}$
Identify $B$ in the following reaction
Which of the following is not present in a nucleotide?
The IUPAC name of $ [Ni(NH_3 )_4][NiCl_4]$ is
Among the following surfactant that will form micelles in aqueous solution at the lowest molar concentration at ambient conditions is
A gas described by van der Waals' equation
Among the following, the coloured compound is
Hyperconjugation involves overlap of the following orbitals
Native silver metal forms a water soluble complex with a dilute aqueous solution of $NaCN$ in the presence of
The correct statement(s) about the compound given below is/are
According to $VSEPR$ theory the repulsion between different pair (lone or bond) of electrons obey the order
From the molecular orbital theory, one can show that the bond order in $F_{2}$ molecule as