Given below are two statements. One is labelled as Assertion \(A\) and the other is labelled as Reason \(R\). Assertion \(A\): Amylose is insoluble in water. Reason \(R\): Amylose is a long linear molecule with more than \(200\) glucose units. In the light of the above statements, choose the correct answer from the options given below.

Which one of the following molecules is expected to exhibit diamagnetic behaviour ?

What is the work function of the metal if the light of wavelength \(4000\, \mathop A\limits^o \) generates photoelectrons of velocity \(6\times10^5\, ms^{-1}\) from it? ............. \(\mathrm{eV}\) (Mass of electron \(= 9\times10^{-31}\, kg\) Velocity of light \(= 3\times10^8\, ms^{-1}\) Planck’s constant \(= 6.626\times10^{-34}\, Js\) Charge of electron \(= 1.6\times10^{-19}\, J\,eV^{-1}\))

Identify the number of structures from the following which can be correlated to D-glyceraldehyde.

The ascending order of relative rate of solvolysis of following compounds is _______.

Which of the following statement is true with respect to \(\mathrm{H}_2 \mathrm{O}, \mathrm{NH}_3\) and \(\mathrm{CH}_4\) ?
A. The central atoms of all the molecules are \(\mathrm{sp}^3\) hybridized.
B. The \(\mathrm{H}-\mathrm{O}-\mathrm{H}, \mathrm{H}-\mathrm{N}-\mathrm{H}\) and \(\mathrm{H}-\mathrm{C}-\mathrm{H}\) angles in the above molecules are \(104.5^{\circ}, 107.5^{\circ}\) and \(109.5^{\circ}\), respectively.
C. The increasing order of dipole moment is \(\mathrm{CH}_4 \lt \mathrm{NH}_3 \lt \mathrm{H}_2 \mathrm{O}\).
D. Both \(\mathrm{H}_2 \mathrm{O}\) and \(\mathrm{NH}_3\) are Lewis acids and \(\mathrm{CH}_4\) is a Lewis base.
E. A solution of \(\mathrm{NH}_3\) in \(\mathrm{H}_2 \mathrm{O}\) is basic. In this solution \(\mathrm{NH}_3\) and \(\mathrm{H}_2 \mathrm{O}\) act as Lowry-Bronsted acid and base respectively.
Choose the correct answer from the options given below:

Concentrated \(HNO _{3}\) reacts with Iodine to give

Suppose that a function \(f: R \rightarrow R\) satisfies \(f(x+y)=f(x) f(y)\) for all \(x, y \in R\) and \(f(1)=3 .\) If \(\sum \limits_{i=1}^{n} f(i)=363,\) then \(n\) is equal to

If \(a, b\) and \(c\) are the greatest value of \(^{19} \mathrm{C}_{\mathrm{p}},^{20} \mathrm{C}_{\mathrm{q}}\) and \(^{21 }\mathrm{C}_{\mathrm{r}}\) respectively, then

Match List\(-I\) with List\(-II\).

List\(-I\)	List\(-II\)
\(A\) \(16\,g \text { of } CH _{4( g )}\)	\(I\) Weighs \(28\,g\)
\(B\) \(1\,g \text { of } H _{2( g )}\)	\(II\) \(60.2 \times 10^{23}\) electrons
\(C\) \(1\,mole \text { of } N _{2( g )}\)	\(III\) Weighs \(32\,g\)
\(D\) \(0.5\,mol\) of \(SO _{2( g )}\)	\(IV\) Occupies \(11.4\,L\) volume at STP

Choose the correct answer from the options given below:

Two wires as shown in the figure below, made of steel and have breaking stress of \(12 \times 10^8\) N/m\(^2\). Area of cross-section of upper wire is \(0.008\) cm\(^2\) and of lower wire is \(0.004\) cm\(^2\). The maximum mass that can be added to pan without breaking any wire is _____ kg.
(take \(g = 10\) m/s\(^2\))

The incorrect statement regarding ethyne is _______.

The equilibrium constant for the reaction \(Zn ( s )+ Sn ^{2+}( aq ) \rightleftharpoons Zn ^{2+}( aq )+ Sn ( s )\) is \(1 \times 10^{20}\) at \(298 K\). The magnitude of standard electrode potential of \(Sn / Sn ^{2+}\) if \(E _{ Zn ^{2+/ / nn }}^0=-0.76 V\) is \(............\times 10^{-2}\,V\). (Nearest integer) Given : \(\frac{2.303 RT }{ F }=0.059\,V\)