19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Consider the following statements, 1. The shape of a molecule depends upon the number of valence shell electron pairs (bonded or non-bonded) around the central atom. 2. Pairs of electrons in the valence shell repel on…
The decreasing order of the repulsive interaction of electron pairs is (Here, lp=lone pair, bp=bond pair).
Why does the repulsion is greater in lp-lp as compared to lp-bp and bp-bp ?
For the prediction of geometrical shapes of molecules with the help of VSEPR theory molecules are divided into two categories. These categories are
Which of the following molecules have same molecule geometry? I. CH4, II BF3 III. NH4+, IV. SF4
Which of the molecules has trigonal bipyramidal geometry with bond angles 120o and 90o?
Monocarboxylic acids are functional isomers of
The IUPAC name of the molecule is:
The IUPAC name of is
The IUPAC name of is:
The IUPAC name of C6H5COCl is
The IUPAC name for is :-
O H C Cl is called:
When propionic acid is treated with aqueous sodium bicarbonate, CO2 is liberated. The ‘C’ of CO2 comes from (Manipal 2009)
The acidic nature of carboxylic acids RCOOH RCOO H -> is due to (Manipal 2009)
Identify ‘Z’ in the following sequence of reactions. NH P O CH COOH X Y Z -> -> -> (CPMT 2009)
The correct set of reagents for the following conversion is: (AIIMS 2009)
Here, the compound X can be (AFMC 2009)
Propionic acid with Br2/P yields a dibromo product the structure would be (CBSE AIPMT 2009)
Ethyl acetate is obtained when methyl magnesium bromide reacts with (Manipal 2008)
Acid hydrolysis of which of the following compounds yields two different organic compounds? (AIIMS 2008)
The relative reactivities of acyl compounds towards nucleophilic substitution are in the order of (CBSE AIPMT 2008)
Waxes are esters of (KCET 2008)
Carboxylic acids readily dissolve in aqueous sodium bircarbonate, liberating carbon dioxide. Which one of the following is correct? (Manipal 2008)
The end product ‘C’ in the following sequence of chemical reactions is (Manipal 2008) CaCO NH OH Δ CH COOH A B C -> -> ->