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Chemistry
List of top Chemistry Questions
Which statement best explains why A is more acidic than B?
Chemistry
Hydrocarbons
Choose the reagent to carry out the reaction.
$ C{{H}_{3}}C\equiv CC{{H}_{3}}\xrightarrow[{}]{{}}\underset{cis\text{ }form}{\mathop{C{{H}_{3}}CH=CHC{{H}_{3}}}}\, $
Chemistry
Hydrocarbons
Which of the following would not form upon electrolysis of aqueous solution of potassium propanoate?
Chemistry
Hydrocarbons
Among the following molecules or ions, which has the longest
$ C-N $
bond?
Chemistry
Chemical bonding and molecular structure
Which of the following compounds can exist in enantiomeric (i.e., D and L) forms?
Chemistry
Haloalkanes and Haloarenes
lodoform test is not answered by:
Chemistry
Aldehydes, Ketones and Carboxylic Acids
Hydrogen peroxide is prepared in the laboratory by:
Chemistry
Hydrogen Bonding
Which of the following is the correct electronic configuration of
$Cr$
?
Chemistry
Classification of elements and periodicity in properties
A gas has a vapour density
$11.2$
. The volume occupied by 1 gm of gas at NTP is:
Chemistry
States of matter
The most suitable reagent for the conversion of
$ RC{{H}_{2}}OH\xrightarrow[{}]{{}}RCHO $
is
Chemistry
Alcohols, Phenols and Ethers
The major product in the above reaction is
Chemistry
Alcohols, Phenols and Ethers
The number of isomers for the compound with the molecular formula
$ {{C}_{2}}BrClFI $
is
Chemistry
Organic Chemistry
Aldol condensation would not occur in
Chemistry
Aldehydes, Ketones and Carboxylic Acids
Which of the following is not a colligative property?
Chemistry
Surface Chemistry
The main product obtained from phenol with
$PCl_{5}$
is:
Chemistry
Alcohols, Phenols and Ethers
The first ionisation potential of
$ Na,\,Mg,\,Al $
and
$ Si $
are in the order:
Chemistry
Classification of elements and periodicity in properties
Which of the following has maximum root mean square velocity at the same temperature ?
Chemistry
States of matter
If the four tubes of a car are filled to the same pressure with
$N_2, O_2, H_2$
and He separately, then which one will be filled first ?
Chemistry
States of matter
Two vitamins absorbed from intestine along with fats are
Chemistry
Biomolecules
Which is fight and flight organ ?
Chemistry
Biomolecules
Which of the following gives blood red colour with KCNS ?
Chemistry
d -and f -Block Elements
Which of the following graphs represents the correct Boyle?? law?
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Chemistry
States of matter
Which of the following halides is not oxidised by
$MnO_2$
?
Chemistry
p -Block Elements
Which of the following halogens has metallic character ?
Chemistry
p -Block Elements
Which of the following halogens exhibit only one oxidation state in its compounds ?
Chemistry
p -Block Elements
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