>
Chemistry
List of top Chemistry Questions
Which has maximum number of oxo groups ?
Chemistry
Group 16 Elements
Which has highest dipole moment?
Chemistry
Chemical bonding and molecular structure
Which group of elements shows lowest ionisation enthalpy?
Chemistry
Classification of elements and periodicity in properties
Which element of 2nd period forms most acidic oxide ?
Chemistry
Classification of elements and periodicity in properties
Which does not react with Fehling's solution?
Chemistry
Aldehydes, Ketones and Carboxylic Acids
Which atomic orbital is always involved in sigma bonding only ?
Chemistry
Chemical bonding and molecular structure
Which bond is most polar ?
Chemistry
Chemical bonding and molecular structure
Which among the following will show anisotropy?
Chemistry
The solid state
Which among the following statements is incorrect ?
Chemistry
p -Block Elements
Which among the following statements is false ?
Chemistry
Surface Chemistry
Which among the following is not a state function ?
Chemistry
Thermodynamics
Which among the following is not iso- electronic ?
Chemistry
Classification of elements and periodicity in properties
Which among the following species has the highest ionisation energy ?
Chemistry
Classification of elements and periodicity in properties
Which 2-butyne is treated with dil.
$H_2SO_4/HgSO_4$
the product formed is
Chemistry
Hydrocarbons
When two halogens are attached to same carbon atom, it is known as :
Chemistry
Haloalkanes and Haloarenes
When the universal gas constant (R) is divided by Avogadro's number
$(N_o)$
,their ratio is called
Chemistry
States of matter
When sodium reacts with excess of oxygen oxidation number of oxygen changes from
Chemistry
GROUP 1 ELEMENTS
When sodium is dissolved in liquid ammonia, a solution of deep blue colour is obtained. The colour of the solution is due to
Chemistry
GROUP 1 ELEMENTS
When propanal reacts with
$2$
-methylpropanal in presence of
$NaOH$
, four different products are formed. The reaction is known as
Chemistry
Aldehydes, Ketones and Carboxylic Acids
When
$SO_2$
is passed through acidified
$K_2Cr_2O_7$
solution
Chemistry
Group 16 Elements
When ozone reacts with phosphorus the oxidation state of P changes from
Chemistry
Group 15 Elements
When primary amine is heated with
$CS_2$
in the it gives isothiocyanate. This reaction is called
Chemistry
Amines
When plaster of Paris comes in contact with water it sets into a hard mass. The composition of the hard mass is
Chemistry
GROUP 1 ELEMENTS
When molten zinc is converted into solid state, it acquires HCP structure. The number of nearest neighbours will be
Chemistry
The solid state
When
$MnO_2$
is fused with
$KOH$
and
$O_2$
, what is the product formed and its colour?
$MnO_2 + KOH + O_2 \to ? + H_2O$
Chemistry
d -and f -Block Elements
Prev
1
...
896
897
898
899
900
...
970
Next