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Chemistry
List of top Chemistry Questions
Which of the following angle corresponds to
$sp^{2}$
hybridisation?
Chemistry
Chemical bonding and molecular structure
Which of the following allotropes is good conductor of electricity ?
Chemistry
p -Block Elements
Which of the following alkali metals when burnt in air forms a mixture of oxide as well as nitride ?
Chemistry
GROUP 1 ELEMENTS
Which of the following alkynes can be identified and distinguished from the rest of the alkynes on reaction with ammoniacal silver nitrate to gave a white precipitate?
Chemistry
Hydrocarbons
Which of the following alkyl halides will undergo
$S_N1$
reaction most readily?
Chemistry
Haloalkanes and Haloarenes
Which of the following alkali metal carbonates gives
$CO_2$
on heating as well as on treating with acids ?
Chemistry
GROUP 1 ELEMENTS
Which of the following alcohol is least soluble in water ?
Chemistry
Alcohols, Phenols and Ethers
Which of the following alcohols is dehydrated most easily with conc.
$H_2SO_4$
?
Chemistry
Alcohols, Phenols and Ethers
Which of the following act as photosensitizer during photosynthesis ?
Chemistry
Biomolecules
Which of the following acts as a self-indicator?
Chemistry
Redox reactions
Which nitrate will decompose to give
$NO_2$
on heating?
Chemistry
GROUP 1 ELEMENTS
Which of the carbonates given below is unstable in air and is kept in
$CO_2$
atmosphere to avoid decomposition ?
Chemistry
GROUP 1 ELEMENTS
Which of the aldehyde is most reactive?
Chemistry
Chemical Reactions
Which noble gas is most soluble in water ?
Chemistry
p -Block Elements
Which molecule pair do not have identical structure
Chemistry
Hybridisation
Which method is not correctly given for refining of crude metals?
Chemistry
General Principles and Processes of Isolation of Elements
Which method is used for the purification of Bauxite ore ?
Chemistry
General Principles and Processes of Isolation of Elements
Which metal has the highest melting point ?
Chemistry
d -and f -Block Elements
Which metal has the lowest melting point ?
Chemistry
d -and f -Block Elements
Which member of the halogen family
$(X_2)$
does not show positive oxidation state
$(X^+_2 )$
?
Chemistry
p -Block Elements
Which liberates
$SO_2$
with dil.
$H_2SO_4$
?
Chemistry
Group 16 Elements
Which isomer of
$C_5H_{12}$
give four isomers of monoiodopentane ?
Chemistry
Hydrocarbons
Which is the correct relationship between
$\Delta G^?$
and equilibrium constant
$K_p$
?
Chemistry
Thermodynamics
Which is the hardest compound of boron?
Chemistry
p -Block Elements
Which is the most non-metallic element among the following?
Chemistry
Classification of elements and periodicity in properties
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