List of top Questions asked in IIT JAM CY

In the following reaction
Chemical reaction-AcOH/H2O
optically pure ester X formed product that did not exhibit optical rotation ([α]D=0) due to the formation of 
(Note: Ts=para-toluenesulfonyl; Ac=acetyl)
The major product formed in the following reaction; 
O3, Me2S; aq. NaOH
is
The major product formed in the following reaction Me Me ONO Me
Chemical reaction-Me ONO Me
is
The major product formed in the following reaction
Chemical reaction
is.
The shape of SCN¯ is
[Co(NH3)5(SO4)]Br and [Co(NH3)5Br]SO4 are examples of
Wavelength of X-rays used in a diffraction experiment is 1.54 Å. X-rays are diffracted from a set of planes with an interplanar spacing of 1.54 Å. Then the angle θ (in degrees) corresponding to the first-order Bragg diffraction is
For the reaction
concentration of KCN
if the concentration of KCN is increased four times, then the rate of the reaction would be
The suitable reagent combination for the following transformation
reagent combination-transformation
is
The following dipeptide derivative is used as an artificial sweetener:
dipeptide derivative- artificial sweetener
The constituent α-amino acids of this dipeptide are
The structure of Q in the following reaction scheme is.
PhNHNH 2 (excess).
The major product of the reaction is
CH2I2 Zn-Cu-Li, NH3(liq.)-H3O
The rate of addition of 1-hexyl radical to the given molecules follows the order
molecules-Co2 Me
The major product of the reaction is
Nal MeOH, 110C Br=82Br
The diagram that best describes the variation of viscosity (𝜂) of water with temperature at 1 atm is

The SI unit of the molar conductivity of an electrolyte solution is 

The system with the lowest zero-point energy when it is confined to a one dimensional box of length 𝐿 is
The metal ion present in human carbonic anhydrase is
The oxoacid of sulfur that has S-O-S bond is
An alkaline (NaOH) solution of a compound produces a yellow colored solution on addition of NaBO3. The compound is
The correct relation(s) for an ideal gas in a closed system is/are
The molecule(s) that follow(s) 𝐼𝑎< 𝐼𝑏=𝐼𝑐 (𝐼𝑎, 𝐼𝑏, and 𝐼𝑐 are the principal moments of inertia) is/are
The role(s) of fluorspar in the electrolytic reduction of Al2O3 is/are to
The correct statement(s) about the complexes I (K3[CoF6]) and II (K3[RhF6]) is/are
The diatomic molecule(s) that has/have bond order of one is/are