CSIR-UGC NET-JRF Exams

For an odd nucleon in ‘g’ nuclear orbital and parallel to I, spin and parity are:

For the deposition of Pb by electroplating, the best suited compound among the following is

Which one of the following shows the highest solubility in hot concentrated aqueous NaOH ?

The total number of Cu-O bonds present in the crystalline copper (II) acetate monohydrate is

The electronegativity difference is the highest for the pair

The correct set of the biologically essential elements is,

When a hydrogen atom is placed in an electric field along the y-axis, the orbital that mixes most with the ground state 1s orbital is

If A and B are non-commuting hermitian operators, all eigenvalues of the operator given by the commutator [A,B] are

The correlation coefficient between two arbitrary variables x and y is zero, if

A Carnot engine takes up 90 J of heart from the source kept at 300 K. The correct statement among the following is

If the concept of half-life is generalized to quarter-life of a first order chemical reaction, it will be equal to

Kohlrausch’s law is applicable to a dilute solution of

A dilute silver nitrate solution is added to a slight excess of sodium iodide solution. A sol of AgI is formed whose surface adsorbs

The angle between the two planes represented by the Miller indices (110) and (111) in a simple cubic lattice is

The correct representation of the variation of molar conductivity (y-axis) with surfactant concentration (x-axis) is [CMC=critical micelle concentration]

The major product formed in the following reaction is

The biosynthetic precursor of cadinene is

The correct order of acidity of the compounds A-C is

The mechanism involved in the following conversion is

The following photochemical transformation proceeds through

A tripeptide gives the following products on Edman degradation.

The absolute configuration at the two chiral centres of (-)-camphor is

The major product formed in the following reaction is

The first person to separate a racemic mixture into individual enantiomers is

Among the following, an example of a “Green Synthesis” is