List of practice Questions

Smallest internuclear distance is found in

Which of the following hydrogen halides is most basic?

Given that $C+O_{2} \rightarrow C O_{2} ; \Delta H^{\circ} = -a\,kJ$. $2 CO + O _{2} \rightarrow 2 CO _{2} ; \Delta H ^{\circ}=- b \,kJ$ The heat of formation of $CO$ is

Strongest acid among the following is

A solid $AB$ has $NaCl$ type structure. The radius of $A^+$ is $100\, pm$. What is the radius of $B^-$ ?

The common features among the species $CN^-$, CO and $NO^+$ are

The correct order of hybridisation of the central atom in the following species $NH_3$, $[PtCl_4]^{2-}$ , $PCl_5$, and $BCl_3$ is

Which of the following is incorrect : -

Which one of the following is an incorrect statement?

Which one of the following is correctly matched?

Glucose on treatment with Tollens reagent produce silver mirror. This shows the presence of:

The random motion of colloidal particles in the dispersion medium is known as:

$Ag _{2} O + H _{2} O _{2} \longrightarrow 2 Ag + H _{2} O + O _{2}$ In the above reaction $H _{2} O _{2}$ acts as a :

The formula of malachite ore is:

The IUPAC name of $Ni ( CO )_{4}$ is :

The value of azimuthal quantum number $ (l) $ is $2$ then the value of principal quantum number $ (n) $ is:

Which compound is formed when calcium carbide reacts with heavy water?

What is true for plasmid : -

What is the intensity of sound in normal conversation?

m-RNA is synthesised on DNA template in which direction

In negative operon

In Lederberg's replica plating experiment what shall be used to obtain streptomycin resistant strain

Gene and cistron words are sometimes used synonymously because

Excess of $Na^+$ ions in human system causes

The incorrect IUPAC name is