List of top Chemistry Questions asked in BCECE

When $ C{{H}_{3}}COOH $ reacts with $ C{{H}_{3}}-MgX: $

Acetals are

Variable oxidation state and degenerated orbital shows:

What amount of water is added in $40\, mL$ of $NaOH (0.1\, N )$ which is neutralized by $50 \,mL$ of $HCl (0.2 N ) ?$

Steroid hormone is derived from :

Three elements $A, B$ and $C $ having reduction potential $-1.5,-0.5 $ and $ 1.5\,V $ respectively then arrange them in correct order according to reducing power:

Which of the following is more acidic in nature?

Unit of the constant of zero order reaction is:

A gas has a vapour density $11.2.$ The volume occupied by $lg$ of the gas at NTP is :

Arrange the following as increase in oxidation number : (i) $Mn ^{2+}$ (ii) $MnO _{2}$ (iii) $KMnO _{4}$ (iv) $K _{2} MnO _{4}$

The standard reduction potential $E^{o}$ for the half reactions are as: $Z n \rightarrow Z n^{2+}+2 e^{-}, E^{o}=0.76\, V$ $C u \rightarrow C u^{2+}+2 e^{-}, E^{o}=0.34\, V$ The emf for the cell reaction: $Z n+C u^{2+} \rightarrow Z n^{2}+C u$

Synthetic polymer which resemble natural rubber is