List of top Chemistry Questions

Isotonic solutions are solutions having the same
$1.0 \, g$ of Mg is burnt with 0.28 g of $O_2$ in a closed vessel. Which reactant is left in excess and how much ?
The charge required for the reduction of $1$ mol of $MnO_4^-$ to $MnO_2$ is
The temperature coefficient of a reaction is 2. When the temperature is increased from $30^{\circ} C$ to $90^{\circ}C$, the rate of reaction is increased by
Which of the following statements are collect? (i) NaH(s) reacts violently with water to form $NaOH$ and $H_2$ (ii) An example for electron rich hydride is $NH_3$ (iii) Nickel forms saline hydride
Phenol can be distinguished from ethanol by the reagent
Which option is valid for a zero order reaction?
The correct order of reactivity for the addition reaction of the following carbonyl compounds with ethylmagnesium iodide is
What amount of electricity can deposit $1$ mole of $Al$ metal at cathode when passed through molten $AlCl_3$
Which of the following has the strongest H-bond ?
Which among the following oxoacids of phosphorus shows a tendency of disproportionation?
What is the number of donar atoms in dimethylglyoximato ligand?
In which among the following solids, Schottky defect is NOT observed?
Which of the following is NOT a tranquilizer?
The molarity of urea (molar mass $\ce{60 \, g \, mol^{-1}}$) solution by dissolving 15 g of urea in 500 $cm^3$ of water is
Identify the element that forms amphoteric oxide.
Molarity is
The most basic hydroxide from following is
Identify the product 'C' in the following reaction. $\ce{Aniline ->[(CH_3 CO)_2 O][Pyridine] A ->[Br_2][CH_3COOH] B ->[H^{+} or \, OH^{-}] C }$
During galvanization of iron, which metal is used for coating iron surface ?
What is the geometry of water molecule?
Which among the following equations represents the first law of thermodynamics under isobaric conditions ?
The $ EAN $ value $ y \left[Ti\left(\sigma-C_{6}H_{5}\right)_{2}\left(\pi-C_{5}H_{5}\right)_{2}\right]^{0} $ is
What is the hybridization and geometry of the compound $ XeOF_4 $ ?
Trien is