In Clemmensen reduction the carbonyl compound is treated with

Read the Passage carefully and answer the questions
When a ligand is bound to a metal ion through a single donor atom, it is said to be a unidentate ligand but when it bind through two donor atoms, then it is said to be didentate ligand and when several donor atoms are present in a single ligand, it is said to be a polydentate ligand. When a di- or polydentate ligand uses its two or more donor atoms simultaneously to bind a single metal ion, it is said to be a chelate ligand. The number of such ligating groups is called the denticity of the ligand. ligand which has two different donor atoms and either of the two ligetes in the complex is called ambidentate ligands. The number of ligand donor atoms to which the metal is directly bonded, is called coordination number of the metal ion in the complex. Complexes in which a metal is bound to only one kind of donor groups are known as homoleptic and in which a metal is bound to more than one kind of donor groups are known as heteroleptic complexes.
Which of the following molecule/ion is not expected to behave as a ligand?

\(100 \text{ cm}^3\) of \(1\text{M } \text{CH}_3\text{COOH}\) and \(100 \text{cm}^3\) of \(2\text{M } \text{CH}_3\text{OH}\) were mixed to form an ester, which follows Ist order kinetics with respect to both \(\text{CH}_3\text{COOH}\) and \(\text{CH}_3\text{OH}\). The change in their initial rate, if each solution is mixed with equal number of volume of water would be :

Werner was the first to describe the bonding features in coordination compounds. But his theory could not answer basic questions like :
(i) Why only certain elements possess the remarkable property of forming coordination compounds ?
(ii) Why the bonds in coordination compounds have directional properties ?
(iii) Why coordination compounds have characteristics magnetic and optical properties ?
Many approaches have been put forth to explain the nature of bonding in coordination compounds viz. Valence Bond Theory (VBT), Crystal Field Theory (CFT), Ligand Field Theory (LFT) and Molecular Orbital Theory (MOT).
We shall focus our attention on elementary treatment of the application of VBT and CFT to coordination compounds.
According to this theory, the metal atom or ion under the influence of ligands can use its ( \(n -1\) )d, ns np or ns, np, nd orbitals for hybridisation to yield a set of equivalent orbitals of definite geometry such as octahedral, tetrahedral, square planar and so on.
These hybridised orbitals are allowed to overlap with ligand orbitals that can donate electron pairs for bonding.
Which of the following pair of ions is colourless according to CFT ?

How many aldol condensation products can be obtained when two aldehydes, both with a-hydrogen atoms undergo reaction?

Answer the question on basis of passage given below
The noble gases have closed shell electronic configuration and are monatomic gases under normal conditions. The low boiling points of lighter noble gases are due to the weak dispersion forces between the atoms and the absence of other inter atomic interaction. The direct reaction of xenon with fluorine leads to a series of compounds with oxidation numbers \(+2, +4\) and \(+6\).
\(\text{XeF}_4\) reacts violently with water to give \(\text{XeO}_3\). The compound of Xenon exhibit stereoisomerism and their geometries can be deduced considering the total number of electrons in the valence shell.
Match List - I with List – II.

List - I	List - II
A. Its partial hydrolysis does not change the oxidation state of the central atom	I. He
B. It is used in modern diving apparatus	II. \(\text{XeF}_6\)
C. It is used to provide inert atmosphere for filling electrical bulbs	III. \(\text{XeF}_4\)
D. Its central atom is in \(\text{sp}^3\text{d}^2\) hybridisation state	IV. Ar

Choose the correct answer from the options given below :

Identify the correct statements for the behavior of ethane-1,2-diamine as a ligand.
(A) it is a neutral ligand
(B) it is a bidentate ligand
(C) it is an ambidentate ligand
(D) it is a chelating ligand
Choose the correct answer from the options given below:

The area of the smaller region of the circle \(x^2+y^2=8\) cut off by the line \(x=2\) is

Which one of the followings is not a transgenic animal?

The complex \(\left[ Co \left( NH _3\right)_4\left( NO _2\right)_2\right] Cl\) exhibits:
A. Coordination isomerism
B. Linkage isomerism
C. Solvate isomerism
D. Ionisation isomerism
E. Geometrical isomerism
Choose the correct answer from the options given below:

Which of the following is TRUE for gel electrophoresis ?

If \(3\left[\begin{array}{cc}x & y \\ z & w\end{array}\right]=\left[\begin{array}{cc}x & 6 \\ -1 & 2 w\end{array}\right]+\left[\begin{array}{cc}4 & x+y \\ z+w & 3\end{array}\right]\), then the values of \(x, y, z\) and \(w\) are

If \(\operatorname{det}\left(\begin{array}{cc}2 x & 5 \\ 8 & x\end{array}\right)=\operatorname{det}\left(\begin{array}{cc}6 & -2 \\ 1 & 1\end{array}\right)\), then the value of \(x\) is