What will be the most probable product when compound ‘X’ is treated with two equivalents of NaOH,

Aniline reacts with mixed acid (conc. HNO₃ and conc. H₂SO₄ ) at 288 K to give P (51%), Q (47%) and R (51%), Q(47%) and R (2%). The major product(s) of the following reaction sequence is/are

The major product of the following reaction is

In the following reaction sequences V and W are respectively :

GivenKcal Kcal Kcal the heat of formation of methane in Kcal will be-

A set of (2n + 1) elements is given. The no. of subsets of the set which contain atmost n elements -

  under Hofmann conditions will give :

 Which step is rate determining ste

Which reagent (X) is used to convert I to II

An organic compound A upon reacting with NH₃ gives B. On heating B gives C. C in presence of KOH reacts with Br₂ to given CH₃CH₂NH₂ . A is :

If r, s, t are prime numbers and p, q are the positive integers such that the LCM of p, q is , then the number of ordered pair (p, q) is-

Be careful about selecting the r s and t for this particular problem. Because number ways for each selection of r, s and t there are 3 cases. Because there are two values given

A rectangle has sides of (2m – 1) & (2n – 1) units as shown in the figure composed of squares having edge length one unit then no. of rectangles which have odd unit length –

Observe the esterification mechanisms for primary and tertiary alcohols
Type-1:

Type-2: 
Mechanism: 

In the above reaction (P) and (Q) are respectively :

Two identical samples of a gas are allowed to expand (i) isothermally (ii) adiabatically work done is

A thermodynamic system is taken from state A to B along ACB and is brought back to Along BDA as Shown in the P$\to$V diagram. The net work done during the complete cycle is given by the area.

An ideal gas is taken V path ACBA as Shown in figure, The net work done in the whole cycle is