Let \(x = \begin{bmatrix} 1 \\ 1 \\ 1 \end{bmatrix}\) and \(A = \begin{bmatrix} -1 & 2 & 3 \\ 0 & 1 & 6 \\ 0 & 0 & -1 \end{bmatrix}\)For k ∈ N, if X’AkX = 33, then k is equal to ____ .
An organic compound ‘A’ on reaction with NH3 followed by heating gives compound B. Which on further strong heating gives compound C(C8H5NO2). Compound C on sequential reaction with ethanolic KOH, alkyl chloride and hydrolysis with alkali gives a primary amine. The compound A is :
In which of the following pairs, electron gain enthalpies of constituent elements are nearly the same or identical ?
(A) $Rb$ and $Cs$
(B) $Na$ and $K$
(C) $Ar$ and $Kr$
(D) $I $ and $At$
Choose the correct answer from the options given below :
In the given conversion the compound A is:
Amongst the following, the major product of the given chemical reaction is
