Paper Generator

Consider a first order reaction: $A\to \text{products}$ . 3 different solutions are taken rate of reaction : Solution 1: $100mL~10M~'A' - r_{1}$ ; Solution 2: $200mL~10M~'A' - r_{2}$ ; Solution 3: $100mL~10M~'A' + 100ml~\text{water} - r_{3}$ . The correct order of the rates of reactions is :

Given below are two statements . Statement-I : $K_{H}$ is constant with change in concentration of gas till solution is dilute at given temperature . Statement II: According to Henry's Law, partial pressure of gas in vapour phase is inversely proportional to mole fraction of gas in solution .

In organic compound with molecular formula ($X$) $C_{8}H_{9}NO$ when reacts with $KOH/Br_{2}$ forms '$P$' which on diazotization forms '$Q$' followed by its reaction with $CuCN$ forms '$R$' which on hydrolysis (acidic) formed '$S$' ($S$ can also be made by hydrolysis of original compound ($X$) ($C_{8}H_{9}NO$). $S$ on reaction with $KMnO_{4}/H^{+}$ forms '$T$' which has two types of hydrogen $X$ will be :

Which of the following graph(s) is/are correct? ($P_{\text{gas}}$ vs $X_{\text{solvent}}$ is plotted) .

Which of the following is the correct order of the reactivity of given nucleophiles when treated with $CH_{3}$ in methanol? $F^{-}$, $I^{-}$, $C_{2}H_{5}O^{-}$, $C_{6}H_{5}O^{-}$ :

The $3d$-block element which does not liberate hydrogen gas on reaction with dilute $HCl$ is .

Statement-1: $\text{Phenol} + CHCL_{3} \xrightarrow{KOH} \text{major} + \text{minor}$. Major product is ortho substituted and para substituted product is minor . Statement-2: Ortho \& Para product can be separated by steam distillation .

Given below are two statements . Statement-1: $HX$ bond length is higher in $HCl$ than $HF$ . Statement-2: The lowest boiling point in hydride of group 15 element is having covalency 4 .

Calculate volume of $H_2$ gas at STP in $ml$. If $2.7~g$ of aluminium is treated with excess $HCl$. (Volume of 1 mole gas at $STP=22.4~L$) :

Find the energy to excite electron from first Bohr orbit of hydrogen atom to 2nd Bohr's orbit. (in $eV$) .

$XF_{3}$ (Lewis Acid), $YF_{3}$ (Lewis Base) . Hybridisation of $XF_{3}$, $YF_{3}$ respectively are :

Match the following and choose the correct option : \begin{tabular}{|l|l|} \hline List-1 & List-II \\ \hline (A) $[Ag(NH_{3})_{2}]^{+}$ & (i) Fehling's solution \\ \hline (B) $Zn-Hg/HCl$ & (ii) Clemmenson's reduction \\ \hline (C) $NH_{2}-NH_{2}/KOH$ & (iii) Tollen's reagent \\ \hline (D) $Cu^{2+}/OH^{-}$ & (iv) Wolff-Kishner reduction \\ \hline \end{tabular}

Statement-l: Sucrose is dextrorotatory and upon hydrolysis it becomes laevorotatory . Statement-II: Sucrose on hydrolysis gives glucose and fructose such that the laevo rotation of glucose is more than dextrorotation of fructose .

Statement-1: $NO_{2}$ is electron withdrawing group. Statement-2: Nitrobenzene is meta-directing. Statement-3: Nitrobenzene does not give Friedel Crafts alkylation :

What is the formal charge of atoms numbered as 1, 2, 3 and 4. In following structure :

Arrange following in order of $S_{N}1$ reaction : (Structures A, B, C, D are given with a $Br$ atom and $Ph$ groups) .

Arrange the given metal ion in increasing order of unpaired electron in low spin complexes formed by $Mn^{3+}, Cr^{3+}, Fe^{3+}, Co^{3+}$ :

In adiabatic compression temperature of gas becomes $4$ times while volume decreased $1/2$ times find $\gamma$ :

Given $E=10~V$, $R=10$, $L=10~mH$, $\frac{N}{e}=10^{4}$. Find energy density when current is $-\frac{1}{e}$ of max. If value is $a \frac{\pi}{e^{2}}$. Find $a$ .

Detector $D$ moves from $A$ to $B$ and observe the frequencies are differing by $10~Hz$. Source is emitting frequency $f_{0}$ as shown: Speed of detector is $35$ times less than speed of sound. Then $f_{0}$ is :