List of top Chemistry Questions asked in NEET (UG)

Which of the following shows maximum number of oxidation states 

Heat of combustion $ \Delta H^{\circ}$ for $ C ( s ), H _{2}( g )$ and $CH _{4}( g ) $ are -94,-68 and $-213 \,Kcal / mol $ then $\Delta H ^{\circ}$ for $C ( s )+2 H _{2}( g ) \to CH _{4}( g )$ is:-
Enzymes are made up of :-

CH2–C–CH3O and CH2–C–CH3O are

IUPAC name of the following CH2 = CH – CH2 – CH2 – C ≡ CH is 

$ n- $ propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent :-
Which of the following is not a reducing agent?
Position of non polar & polar part in miscell
$CuSO_4 $ when reacts with KCN forms CuCN which is insoluble in water. It is soluble in excess of KCN due to the formation of the complex :-

92U235, nucleus absorb a neutron and disintegrate in 54Xe139, 38Sr94 and x So, What will be the product x 

Cellulose is polymer of 

Reactivity order of halides for dehydrohalogenation is :-
In the silver plating of copper, $K[AG(CN)_2]$ is used instead of $AgNO_3. $ The reason is :-
Zn gives $H_2$ gas with $H_2SO_4$ and HCI but not with $HNO_3$ because :-
In borex bead test which compound is formed
van der Waals' real gas, act as an ideal gas, at which condition :-
Which reaction is not feasible :-

3A → 2B,rate of reaction +d[B]/dt is equals to 

Which has highest pH:-

The solubility of MX2–type electrolytes is 0.5 × 10–4 Mole/lit. then find out the Ksp of electrolytes :

A solution containing components A and B follows Raoult's law : -

1 M and 2.5 litre NaOH solution mixed with another 0.5 M and 3 litre NaOH solution. Then find out molarity of resultant solution 

Unit of entropy is 

2 mole of ideal gas at 27ºC temp. is expanded reversibly from 2 lit. to 20 lit. Find entropy change (R = 2 cal/mol K) 

In $NO_3^-$ ion number of bond pair and lone pair of electrons on nitrogen atom are :-