Cylohexene is __________type of an organic compound.

Identify the incorrect statement

Which of the following pairs of compounds are positional isomers ?

Considering acetic acid dissociates in water, its dissociation constant is \(6.25 \times 10^{-5}\). If \(5 \mathrm{~mL}\) of acetic acid is dissolved in \(1\) litre water, the solution will freeze at \(-\mathrm{x} \times 10^{-2}{ }^{\circ} \mathrm{C}\), provided pure water freezes at \(0^{\circ} \mathrm{C}\). \(\mathrm{x}=\) _______ (Nearest integer) Given : \(\left(\mathrm{K}_{\mathrm{r}}\right)_{\text {water }}=1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\). density of acetic acid is \(1.2 \mathrm{~g} \mathrm{~mol}^{-1}\) molar mass of water \(=18 \mathrm{~g} \mathrm{~mol}^{-1}\). molar mass of acetic acid \(=60 \mathrm{~g} \mathrm{~mol}^{-1}\). density of water \(=1 \mathrm{~g} \mathrm{~cm}^{-3}\) Acetic acid dissociates as \(\mathrm{CH}_3 \mathrm{COOH} \rightleftharpoons \mathrm{CH}_3 \mathrm{COO}^{\oplus}+\mathrm{H}^{\oplus}\)

Given below are two statements :
Statement I: Presence of large number of unpaired electrons in transition metal atoms results in higher enthalpies of their atomisation.
Statement II: \(d_{xy} = d_{xz} = d_{yz} < d_{x^2-y^2} = d_{z^2}\) and \(d_{x^2-y^2} = d_{z^2} < d_{xy} = d_{xz} = d_{yz}\) are the d-orbital splittings in \([Fe(H_2O)_6]^{3+}\) and \([Ni(Cl)_4]^{2-}\) complex ions respectively.
In the light of the above statements, choose the correct answer from the options given below :

The non-metal that does not exhibit positive oxidation state is

In Friedel-Crafts alkylation of aniline, one gets ....

A particle is moving with speed \(v= b\sqrt x\) along positive \(x-\) axis. Calculate the speed of the particle at time \(t = \tau\) (assume that the particle is at origin at \(t = 0\) ).

From a month of \(31\) days, \(3\) different dates are selected at random. If the probability that these dates are in an increasing A.P. is equal to \(\dfrac{a}{b}\), where \(a,b \in \mathbb{N}\) and \(\gcd(a,b)=1\), then \(a+b\) is equal to ______

A lift of mass \(1600\) kg is supported by thick iron wire. If the maximum stress which the wire can withstand is \(4 \times 10^8\) N/m\(^2\) and its radius is \(4\) mm, then maximum acceleration the lift can take is _______ m/s\(^2\). (take \(g = 10\) m/s\(^2\) and \(\pi = 3.14\))

A rolling wheel of \(12 \,kg\) is on an inclined plane at position \(P\) and connected to a mass of \(3 \,kg\) through a string of fixed length and pulley as shown in figure. Consider \(PR\) as friction free surface. The velocity of centre of mass of the wheel when it reaches at the bottom \(Q\) of the inclined plane \(P Q\) will be \(\frac{1}{2} \sqrt{ xgh } \,m / s\). The value of \(x\) is.............

\(pK_a\) of a weak acid \((HA)\) and \(pK_b\) of a weak base \((BOH)\) are \(3.2\) and \(3.4,\) respectively. The \(pH\) of their salt \((AB)\) solution is

The number of \(6\) digit numbers that can be formed using the digits \(0, 1, 2, 5, 7\) and \(9\) which are divisible by \(11\) and no digits is repeated, is