Hell-Volhard Zelinsky reaction is used for the formation of

Match List I with List II

\multicolumn1|c|\(LIST\)\(I\)	\multicolumn1|c|\( LIST\)\(II\)
A. \(Cu\)	I. \(+ 3\)
B. \(Sc\)	II. \(+ 7\)
C. \(Mn\)	III. \(+ 2\)
D.\(Fe\)	IV. \(+ 1\)

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The correct bond order for the carbon-oxygen bond in the following metal carbonyls \(\left[ Cr ( CO )_6\right],\left[ V ( CO )_6\right]^{-},\left[ Mn ( CO )_6\right]^{+}\)is:

The value of van't Hoff factor, i, for CH₃COOH solution in water will be

What is the correct Nernst equation for the following cell?
\(Zn(s)|Zn^{2+}||Ag^{+}|Ag(s)\)

What is the reagent used in Clemmensen reduction?

The statement which is not true -
(A) Boiling point of ethanol is greater than that of ethoxyethane due to H -bonding
(B) Ethoxyethane is soluble in water due to H-bonding
(C) Ethanol is soluble in water due to H -bonding
(D) Ethoxyethane has nearly same boiling point as that of butanol
Choose the correct answer from the options given below :

Light with an energy flux of \( 18 \text{ W/cm}^2 \) falls at normal incidence on a non-reflecting surface of area \( 20 \text{ cm}^2 \). If the light falls for 30 minutes on the surface, find the total momentum delivered to the surface.

In coordinate compound \([Cr(NH_3)_6][Co(CN)_6]\)
what type of isomerism arises?

Read the following passage carefully and answer the given questions
The separated DNA fragments can be visualized only after staining the DNA with ethidium bromide followed by exposure to UV radiation. Bright orange colored bands of DNA in ethidium bromide stained gel exposed to UV light can be seen. The separated bands of DNA are cut out from the agarose gel and extracted from the gel piece. This step is known as elution. The DNA fragments purified in this way are used in constructing recombinant DNA by joining them with a cloning vector.
The extraction of separated bands of DNA from the gel piece is called:

Ravi's speed of rowing in still water is 6 km/hr
The speed of the stream is 3 km/hr
He rows between two points in a river and returns to the same point
He took 30 minutes more to cover the distance upstream than downstream
Find the distance between the two points

There are 50 telephone lines in an exchange. The probability that any one of them will be busy is 0.1, then the probability that all the lines are busy?

Let \(A=\left[\begin{array}{ccc}1 & \sin \theta & 1 \\ -\sin \theta & 1 & \sin \theta \\ -1 & -\sin \theta & 1\end{array}\right]\), where \(0 \leq \theta \leq 2 \pi\), then which of the following are true?
(A) \(|A|=2+2 \sin ^2 \theta\)
(B) \(|A|=2+\sin ^2 \theta\)
(C) minimum value of \(|A|\) is 1
(D) maximum value of \(|A|\) is 4.
Choose the correct answer from the options given below: