The Galvanic cells will behave like an electrolytic cell when

The Nernst equation corresponding to the cell reaction given below, is
Ni(s) + 2Ag\(^+\)(aq) \(\rightarrow\) Ni\(^2+\)(aq) + 2Ag(s)

Gabriel phthalimide synthesis is used for the preparation of :

Reaction :
Benzene \(\xrightarrow[\text { Anhyd. } AlCl l _{ s } / CuCl ]{ CO _{ Cl } HCl } X\)
\(X\) in above reaction is

Read the passage carefully and answer the questions
Amines are considered as derivatives of ammonia obtained by replacement of hydrogen atoms with alkyl or aryl groups. In nature they occur among proteins, vitamins, alkaloids and hormones. These can be primary, secondary or tertiary depending on the number of hydrogen groups replaced. They can be prepared from nitro compounds, alkyl halides, nitriles, amides etc. Due to unshared pair of electrons they behave as Lewis bases. Influence of the number of hydrogen atoms at nitrogen atom is displayed in physical properties such as solubility, boiling point and chemical reactions including basicity. Basic character of amines is expressed in terms of their \(K_b\) and \(p K_b\) values. Three classes of amines can be distinguished with p-toluene sulphonyl chloride which reacts with primary and secondary ddu amines. Amino group when attached to benzene ring behaves as an activating and ortho para directing group.
Which reagent is used for the conversion of acetamide into ethylamine?

The only carboxylic acid which gives positive Tollen's test is

In the following statements the in correct statement is :

Which of the following is not an Intra Uterine Device (IUD) ?

In the electromagnetic spectrum, the visible spectrum lies between :

Probability that a man speaks truth is \(\frac{3}{4}\). He throws a die and reports that it is a six. The probability that it is actually a

A TV tower has a height of 160 m. How much population is covered by the television broadcast, if the average population density around the tower is 1000 per km^2? Given radius of the earth is 6400 km.

The value of the integral \(\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}} \cos ^2 x d x\) is:

Two point charges placed a distance d apart in vacuum exert a force of magnitude F on each other. One of the two charges is doubled. To keep the magnitude of force same the separation between the charges should be changed to