List of top Chemistry Questions

The charge required for the reduction of $1$ mol of $MnO_4^-$ to $MnO_2$ is
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
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
Phenol can be distinguished from ethanol by the reagent
Which option is valid for a zero order reaction?
Which of the following has the strongest H-bond ?
What amount of electricity can deposit $1$ mole of $Al$ metal at cathode when passed through molten $AlCl_3$
The correct order of reactivity for the addition reaction of the following carbonyl compounds with ethylmagnesium iodide is
Which of the following is NOT a tranquilizer?
Which among the following oxoacids of phosphorus shows a tendency of disproportionation?
In which among the following solids, Schottky defect is NOT observed?
What is the number of donar atoms in dimethylglyoximato ligand?
What is the geometry of water molecule?
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.
Which among the following equations represents the first law of thermodynamics under isobaric conditions ?
The most basic hydroxide from following is
Identify the product 'C' in the following reaction. $\ce{Aniline ->[(CH_3 CO)_2 O][Pyridine] A ->[Br_2][CH_3COOH] B ->[H^{+} or \, OH^{-}] C }$
Molarity is
During galvanization of iron, which metal is used for coating iron surface ?
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
The $E _{\text {red }}^{\circ}$ of $Ag,\, Cu ,\, Co$ and $Zn$ are $0.799$ $0.337,-0.277$ and $-0.762\, V$ respectively, which of the following cells will have maximum cell emf?
Which is used for sterilization of water in water supply system of cities?