List of top Questions asked in NEET (UG)

The type of isomerism shown by the complex [CoCl2(en)2] is
In the reaction
the electrophile involved is
the electrophile involved is
Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their
Compound A, C8H10O, is found to react with NaOI (produced by reacting Y with NaOH) and yields a yellow precipitate with characteristic smell.
A and Y are respectively
The difference between amylose and amylopectin is
A mixture of 2.3 g formic acid and 4.5 g oxalic acid is treated with conc. H2SO4 . The evolved gaseous mixture is passed through KOH pellets. Weight (in g) of the remaining product at STP will be
Nitration of aniline in strong acidic medium also gives m-nitroaniline because
Which of the following oxides is most acidic in nature ?
The correct order of N-compounds in its decreasing order of oxidation states is
Regarding cross-linked or network polymers, which of the following statements is incorrect ?
Which one of the following elements is unable to form MF63-ion ?
Which of the following statements is not true for halogens ?
On which of the following properties does the coagulating power of an ion depend ?
In the structure of ClF3 , the number of lone pairs of electrons on central atom ‘Cl’ is
The solubility of BaSO4 in water is 2·42 × 10-3 gL-1 at 298K. The value of its solubility product (Ksp) will be (Given molar mass of BaSO4 = 233 g mol-1)
Considering Ellingham diagram, which of the following metals can be used to reduce alumina ?
The correct order of atomic radii in group 13 elements is
If the mass of the Sun were ten times smaller and the universal gravitational constant were ten times larger in magnitude, which of the following is not correct ?
A solid sphere is in rolling motion. In rolling motion a body possesses translational kinetic energy (Kt) as well as rotational kinetic energy (Kr) simultaneously. The ratio Kt : (Kt + Kr) for the sphere is
A solid sphere is rotating freely about its symmetry axis in free space. The radius of the sphere is increased keeping its mass same. Which of the following physical quantities would remain constant for the sphere ?
Given van der Waals constant for NH3, H2, O2 and CO2 are respectively 4.17, 0.244, 1.36 and 3.59, which one of the following gases is most easily liquefied ?
The kinetic energies of a planet in an elliptical orbit about the Sun, at positions A, B and C are KA , KB and KC , respectively. AC is the major axis and SB is perpendicular to AC at the position of the Sun S as shown in the figure. Then
The kinetic energies of a planet in an elliptical orbit
Which one of the following statements is incorrect ?
A block of mass m is placed on a smooth inclined wedge ABC of inclination θ as shown in the figure. The wedge is given an acceleration ‘a’ towards the right. The relation between a and θ for the block to remain stationary on the wedge is
The relation between a and θ for the block to remain stationary
A body initially at rest and sliding along a frictionless track from a height h (as shown in the figure) just completes a vertical circle of diameter AB = D. The height h is equal to
A body initially at rest and sliding along a frictionless track