For the given reaction


What is 'A'?

Which of the following is 'a' FALSE statement ?

Find A, B and C in the following reactions :

$$N{H_3} + A + C{O_2} \to {(N{H_4})_2}C{O_3}$$

$${(N{H_4})_2}C{O_3} + {H_2}O + B \to N{H_4}HC{O_3}$$

$$N{H_4}HC{O_3} + NaCl \to N{H_4}Cl + C$$

Match List - I with List - II.

	List I Electronic configuration		List II $${\Delta _i}H$$ in kJ $$mo{l^{ - 1}}$$
(a)	$$1{s^2}2{s^2}$$	(i)	801
(b)	$$1{s^2}2{s^2}2{p^4}$$	(ii)	899
(c)	$$1{s^2}2{s^2}2{p^3}$$	(iii)	1314
(d)	$$1{s^2}2{s^2}2{p^1}$$	(iv)	1402

Choose the most appropriate answer from the options given below :

Given below are two statements :

Statement I : A mixture of chloroform and aniline can be separated by simple distillation.

Statement II : When separating aniline from a mixture of aniline and water by steam distillation aniline boils below its boiling point.

In the light of the above statements, choose the most appropriate answer from the options given below :

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.

Assertion A : Dipole-dipole interactions are the only non-covalent interactions, resulting in hydrogen bond formation.

Reason R : Fluorine is the most electronegative element and hydrogen bonds in HF are symmetrical.

In the light of the above statements, choose the most appropriate answer from the options given below :

Which one of the following lanthanoids does not form MO₂? [M is lanthanoid metal]

For the given reaction :


What is 'A'?

Compound A used as a strong oxidizing agent is amphoteric in nature. It is the part of lead storage batteries. Compound A is :

Identify the major products A and B respectively in the following reactions of phenol :

An amine on reaction with benzensulphonyl chloride produces a compound insoluble in alkaline solution. This amine can be prepared by ammonolysis of ethyl chloride. The correct structure of amine is :

Given below are two statements :

Statement I : o-Nitrophenol is steam volatile due to intramolecular hydrogen bonding.

Statement II : o-Nitrophenol has high melting due to hydrogen bonding.

In the light of the above statements, choose the most appropriate answer from the options given below :

B reacts with Hydroxyl amine but does not give Tollen's test. Identify A and B.

Which of the following vitamin is helpful in delaying the blood clotting?

The orbital having two radial as well as two angular nodes is :

For a chemical reaction A + B ⇌ C + D

($${\Delta _r}{H^\Theta }$$ = 80 kJ mol^$$-$$1) the entropy change $${\Delta _r}{S^\Theta }$$ depends on the temperature T (in K) as $${\Delta _r}{S^\Theta }$$ = 2T (J K^$$-$$1mol^$$-$$1).

Minimum temperature at which it will become spontaneous is ___________ K. (Integer)

An exothermic reaction X $$ \to $$ Y has an activation energy 30 kJ mol^$$-$$1. If energy change $$\Delta$$E during the reaction is $$-$$20 kJ, then the activation energy for the reverse reaction in kJ is ___________. (Integer answer)

Dichromate ion is treated with base, the oxidation number of Cr in the product formed is ___________.

Number of bridging CO ligands in [Mn₂(CO)₁₀] is __________.

Consider the following reaction

$$MnO_4^ - + 8{H^ + } + 5{e^ - } \to M{n^{ + 2}} + 4{H_2}O,{E^o} = 1.51V$$.

The quantity of electricity required in Faraday to reduce five moles of $$MnO_4^ - $$ is ___________. (Integer answer)

224 mL of SO_2(g) at 298 K and 1 atm is passed through 100 mL of 0.1 M NaOH solution. The non-volatile solute produced is dissolved in 36g of water. The lowering of vapour pressure of solution (assuming the solution in dilute) (P$$_{({H_2}O)}^o$$ $$-$$ 24 mm of Hg) is x $$\times$$ 10^$$-$$2 mm of Hg, the value of x is ___________. (Integer answer)

A homogeneous ideal gaseous reaction $$A{B_{2(g)}} \rightleftharpoons {A_{(g)}} + 2{B_{(g)}}$$ is carried out in a 25 litre flask at 27$$^\circ$$C. The initial amount of AB₂ was 1 mole and the equilibrium pressure was 1.9 atm. The value of K_p is x $$\times$$ 10^$$-$$2. The value of x is _________. (Integer answer)

[R = 0.08206 dm³atm K^$$-$$1mol^$$-$$1]