If we plot graph for first order reaction involving reactant R, then it will be a straight line if plotted for :

Which of the following statements is NOT correct regarding the catalytic ability of transition metals?

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In the formation of coordination complexes, if the inner \(d\) orbital \((n - 1)d\) is used in hybridisation, the complex, is called an inner orbital or low spin or spin paired complex. And if it uses outer \(d\) orbital \((nd)\) in hybridisation (like \(sp^3d^2\)), it is called outer orbital or high spin or spin free complex. The degeneracy of the \(d\) orbitals has been removed due to ligand electron-metal electron repulsions in the complex. This splitting of the degenerate levels due to the presence of ligands in a definite geometry is termed as crystal field splitting. For coordination complexes, the magnetic moment is determined by the number of unpaired electrons and is calculated by using the 'spin-only' formula, \(\mu = \sqrt{n(n+2)}\) where \(n\) is the number of unpaired electrons and \(\mu\) is the magnetic moment in units of Bohr magneton \((BM)\). The coordination compounds are of great importance. These compounds are widely present in the mineral, plant and animal worlds and are known to play many important functions in the area of analytical chemistry, metallurgy, biological systems, industry and medicine.
Which of the following complex has the highest magnetic moment?

In the electrophilic substitution reactions of aniline, the \(- NH _2\) group acts

Which one of the following compounds undergoes predominantly SN2 reaction with aqueous NaOH in polar aprotic solvent:

Reaction occurring at cathode is
\(HgO+H_2 O+2 e^{-} \rightarrow Hg+2 OH^{-}\)
Above reaction is found in :

What types of bond (linkage) are present in nucleotide?

If A is an invertible matrix of order 2 ; then \(\operatorname{det}\left(A^{-1}\right)\) is equal to:

Match List-I with List-II

List-I (Materials)	List-II (Band Gap (eV))
(A) Germanium	(I) 1.42 eV
(B) Gallium Arsenide	(II) > 3 eV
(C) Insulator	(III) 1.1 eV
(D) Silicon	(IV) 0.7 eV

Choose the correct answer from the options given below :

The point on the unit circle with center (0, 0); where tangents are equally inclined to the co-ordinate axes are:

Which of the following is incorrect?

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The term vitamin was coined from the word vital +amine since the earlier identifiedc ompounds had amino groups. Later work showed that most of them didn't contain amino groups. They are very essential for the body. They has to be taken various diet or in the form of medicines also.
Vitamins are classified into two groups depending upon their solubility in water or fat.
Fat soluble vitamins are soluble in fat and oils but insoluble in water. They are stored in liver and adipose (fat storing) tissues Water-soluble vitamins are soluble in water. These must be supplied regularly in diet because they are readily excreted in urine and cannot be stored in our body.
What are the sources of Vitamin C?

Which reagent will distinguish Benzophenone from acetone ?