The correct order of N-compounds in its decreasing order of oxidation states is

Which one of the following elements is unable to form $MF_6^{3-}$ ion?

Considering Ellingham diagram, which of the following metals can be used to reduce alumina?

The correct order of atomic radii in group 13 elements is

Which of the following statements is not true for halogens?

In the structure of $$ClF$_3,$ the number of lone pairs of electrons on central atom ‘Cl’ is

Identify the major products P, Q and R in the following sequence of reactions:

Which of the following compounds can form a zwitterion?

Regarding cross-linked or network polymers, which of the following statements is incorrect?

Nitration of aniline in strong acidic medium also gives m-nitroaniline because

The difference between amylose and amylopectin is

A mixture of $2.3$ g formic acid and $4.5$ g oxalic acid is treated with conc. $H_2SO_4.$ The evolved gaseous mixture is passed through KOH pellets. Weight (in g) of the remaining product at STP will be

Which of the following oxides is most acidic in nature?

Which oxide of nitrogen is not a common pollutant introduced into the atmosphere both due to natural and human activity?

The compound A on treatment with Na gives B, and with PCl$_5$ gives C. B and C react together to give diethyl ether. A, B and C are in the order

The compound C$_7$H$_8$ undergoes the following reactions:$\newline C_7H_8 \xrightarrow{3 Cl_2 / \Delta} A \xrightarrow{Br_2/Fe} B \xrightarrow{Zn/HCl} C \newline$

Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to a gaseous hydrocarbon containing less than four carbon atoms. (A) is

Which of the following molecules represents the order of hybridization $sp^2, sp^2, sp, sp$ from left to right atoms?

Which of the following carbocations is expected to be most stable?

Which of the following is correct with respect to -I effect of the substituents? (R = alkyl)

In the reaction:$$CHCl$_3 +$AlCl$_3 \rightarrow$Electrophile$,$

Carboxylic acids have higher boiling points than aldehydes, ketones, and even alcohols of comparable molecular mass. It is due to their

Compound A, C$_8$H$_{10}$O, is found to react with NaOI (produced by reacting Y with NaOH) and yields a yellow precipitate with characteristic smell. A and Y are respectively

Match the metal ions given in Column I with the spin magnetic moments of the ions given in Column II and assign the correct code:

Which one of the following ions exhibits d-d transition and paramagnetism as well?

Iron carbonyl, Fe(CO)$_5$ is

The type of isomerism shown by the complex $[CoCl_2(en)_2]$ is

The geometry and magnetic behavior of the complex $[Ni(CO)_4]$ are

Following solutions were prepared by mixing different volumes of NaOH and HCl of different concentrations:$\\$a. $60$ mL $\frac{M}{10}$ HCl $+ 40$

On which of the following properties does the coagulating power of an ion depend?

Given van der Waals constant for NH$_3,$ H$_2,$ O$_2$

The solubility of BaSO$_4$ in water is $2.42 \times 10^{-3}$ g/L at 298 K. The value of its solubility product (K$_{sp})$

In which case is the number of molecules of water maximum?

The correct difference between first- and second-order reactions is that

Among CaH$_2,$ BeH$_2,$ BaH$_2,$

Consider the change in oxidation state of Bromine corresponding to different emf values as shown in the diagram below:$\newline BrO_4^{-} \xrightarrow{1.82V} BrO_4^{-} \xrightarrow{1.5V} HBrO \xrightarrow{1.595V}Br_2\xrightarrow{1.0652V} Br^- \\$

For the redox reaction:$\\$MnO$_4^- +$C$_2$O$_4^{2-} +$

Which one of the following conditions will favor maximum formation of the product in the reaction,$\\$A$_2(g) +$B$_2(g) \rightleftharpoons$

When initial concentration of the reactant is doubled, the half-life period of a zero-order reaction

The bond dissociation energies of $X_2, Y_2$ and $XY$ are in the ratio of $1:0.5:1.$

The correction factor $a$ to the ideal gas equation corresponds to

Consider the following species:$\\$CN$^+,$CN$^-,$NO$,$ and CN$.$

Magnesium reacts with an element (X) to form an ionic compound. If the ground state electronic configuration of (X) is $1s^2 2s^2 2p^3,$ the simplest formula for this compound is

Iron exhibits bcc structure at room temperature. Above $900^\circ$C$,$ it transforms to fcc structure. The ratio of density of iron at room temperature to that at $900^\circ$C$$ (assuming molar mass and atomic radii of iron remains constant with temperature) is

Which one is a wrong statement?