Arrange the following in the increasing order of their boiling points
(A) \(n- C _4 H _6 NH _2\)
(B) \(\left( C _2 H _5\right)_2 NH\)
(C) \(n- C _4 H _9 OH\)
(D) \(C _2 H _5 N\left( CH _3\right)_2\)
Choose the correct answer from the options given below:

With reference to Arrhenius equation \(k=A e^{-E_a / R T}\)

The unit of conductance(G) is

Lack of Vitamin B1 causes:

Why is HCl not used to make the medium acidic in oxidation reactions of KMnO₄ in acidic medium?

An organic compound 'X' on treatment with methyl magnesium bromide gives a compound 'Y' which on hydrolysis gives ethanol. The compound 'X' is:

Among the following, which is a non-essential amino acid?

The de-Broglie wavelength associated with a ball of mass \( m = 150 \, g \) traveling at \( v = 30.0 \, m/s \) would be

Which of the following statements are correct?
(A) If elements of a row (or column) of a determinant are multiplied with cofactors of any other row (or column), then their sum is zero.
(B) The value of determinant is equal to the sum of the product of elements of any row (or column) with their corresponding cofactors.
(C) If any two rows (or columns) of a determinant are interchanged, their sign of determinant does not change.
(D) The value of determinant remains unchanged if its rows and columns are interchanged.
(E) A square matrix A has inverse if and only if A is singular.
Choose the correct answer from the options given below:

RNA polymerase III is responsible for the transcription of:

A difference of 2.21 eV separates two energy levels in an atom. What is the frequency of radiation emitted when the atom makes a transition from the upper level to the lower level?

The linear programming problem: Minimise \(Z=3 x+2 y\)
Subject to constraints: \(x+y \geq 8, \quad 3 x+5 y \leq 15, \quad x \geq 0, y \geq 0\) has

If the function \(f(x)=\left\{\begin{array}{ll}\frac{\sin 5 x}{3 x}, & x \neq 0 \\ \frac{k}{3}, & x=0\end{array}\right.\) is continuous at \(x=0\), then \(k^2-2 k+10\) is equal to: