The product formed from the following reaction sequence is:

Gadolinium has a low value of third ionisation enthalpy because of

Which one is not a correct mathematical equation for Dalton's Law of partial pressure? Here $p$ is the total pressure of a gaseous mixture

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).$\newline$Assertion (A): In a particular point defect, an ionic solid is electrically neutral, even if a few of its cations are missing from its unit cells.$\\$Reason (R): In an ionic solid, Frenkel defect arises due to the dislocation of cation from its lattice site to an interstitial site, maintaining overall electrical neutrality.

The pH of the solution containing $50$ mL each of $0.10 M$ sodium acetate and $0.01 M$ acetic acid is$\\$(Given $pK_a$

Identify the incorrect statement from the following

Statement I: The acidic strength of monosubstituted nitrophenol is higher than phenol because of the electron-withdrawing nitro group.$\\$Statement II: o-nitrophenol, m-nitrophenol, and p-nitrophenol will have the same acidic strength as they have one nitro group attached to the phenolic ring.$\\$Choose the most appropriate answer from the options given below:

What mass of $95\%$ pure $CaCO_3$ will be required to neutralize $50$ mL of $0.5 M$

The IUPAC name of an element with atomic number $119$ is:

Choose the correct statement:

Statement I: In the coagulation of a negative sol, the flocculating power of the three given ions is in the order $Al^{3+} > Ba^{2+} > Na^+. \\$

Which of the following p-V curves represents maximum work done?

Statement I: Primary aliphatic amines react with HNO$_2$ to give unstable diazonium salts.$\\$Statement II: Primary aromatic amines react with HNO$_2$ to form diazonium salts which are stable even above $300K. \\$

Which amongst the following is an incorrect statement?

In the reaction sequence:$\\$RMgX + CO$_2 \rightarrow Y \xrightarrow{H_2O} RCOOH,$

Which statement regarding polymers is not correct?

Given below are half-cell reactions:$\\$MnO$_4^- + 8H^+ + 5e^- \rightarrow$

The Kjeldahl's method for the estimation of nitrogen can be used to estimate the amount of nitrogen in which one of the following compounds?

The incorrect statement regarding enzymes is:

The IUPAC name of the complex $[Ag(H_2O)_2][Ag(CN)_2]$

Match List - I with List - II.

Amongst the following, which one will have maximum 'lone pair-lone pair' electron repulsions?

At 298 K, the standard electrode potentials of $$Cu$^{2+}/$Cu$,$Zn$^{2+}/$

Identify the incorrect statement from the following.

In a one molal solution that contains 0.5 mole of a solute, there is:

Assertion (A): ICl is more reactive than I$_2. \\$Reason (R): I-Cl bond is weaker than I-I bond.$\\$Choose the most appropriate answer from the options given below:

Which of the following compounds is not an aromatic compound?

Statement I: The boiling points of the following hydrides of group 16 elements increase in the order:$\\ H_2O < H_2S < H_2Se < H_2Te \\$

Match List-I with List-II:

Which of the following sequence of reactions is suitable to synthesize chlorobenzene?

Statement I: The boiling points of aldehydes and ketones are higher than hydrocarbons of comparable molecular masses because of weak molecular association in aldehydes and ketones due to dipole-dipole interactions.$\\$Statement II: The boiling points of aldehydes and ketones are lower than the alcohols of similar molecular masses due to the absence of hydrogen bonding.$\\$Choose the most appropriate answer from the options given below:

Match List - I with List- II.

The incorrect statement regarding chirality is:

Match List - I with List- II. Choose the correct answer from the options given below:

Which of the following statements is not correct about diborane?

The given graph is a representation of kinetics of a reaction. The y and x axes for zero and first-order reactions, respectively, are:

Match List - I with List- II. Choose the correct answer from the options given below:

A $10.0$ L flask contains $64 g$ of oxygen at $27^\circ$C. (Assume O$_2$

For a first-order reaction $A \rightarrow$ Products, the initial concentration of $A$ is $0.1$ M, which becomes $0.001$ M after $5$ minutes. The rate constant for the reaction in $$

The order of energy absorbed which is responsible for the color of complexes is given for:$\\ (A) [$Ni(H$_2O)_2($en$)_2]^{2+} \\ (B) [$

$3O_2(g) \rightleftharpoons 2O_3(g)$. For the above reaction at $298$

Find the emf of the cell:$\\$Ni(s) + 2Ag$^+(0.001 M) \rightarrow$Ni$^{2+} (0.001 M) + 2Ag(s) \\$

Which one of the following is not formed when acetone reacts with 2-pentanone in the presence of dilute NaOH followed by heating?

The correct IUPAC name of the following compound is:

If the radius of the second Bohr orbit of the He$^+$ ion is $105.8$ pm, what is the radius of the third Bohr orbit of the Li$^{2+}$ ion?

Compound X on reaction with O$_3$ followed by Zn/H$_2O$ gives formaldehyde and 2-methylpropanal as products. The compound X is:

In the neutral or faintly alkaline medium, KMnO$_4$ oxidizes iodide into iodate. The change in oxidation state of manganese in this reaction is from:

The pollution due to oxides of sulphur gets enhanced due to the presence of:$\\ (a)$Particulate matter$\\ (b)$Ozone$\\ (c)$Hydrocarbons$\\ (d)$Hydrogen peroxide

Given below are two statements:$\\$Statement I: In Lucas test, primary, secondary, and tertiary alcohols are distinguished on the basis of their reactivity with conc. HCl + ZnCl$_2,$ known as Lucas Reagent.$\\$Statement II: Primary alcohols are most reactive and immediately produce turbidity at room temperature on reaction with Lucas Reagent.$\\$In the light of the above statements, choose the most appropriate answer from the options given below:

Copper crystallizes in an fcc unit cell with a cell edge length of $3.608 \times 10^{-8}$ cm. The density of copper is $8.92$ g cm$^{-3}.$ Calculate the atomic mass of copper.