Which one of the following compounds will give orange precipitate when treated with 2, 4-dinitrophenyl hydrazine?

The oxidation states of 'P' in H₄P₂O₇, H₄P₂O₅ and H₄P₂O₆, respectively, are :

For a reaction of order n, the unit of the rate constant is :

Given below are two statements :

Statement I : Aniline is less basic than acetamide.

Statement II : In aniline, the lone pair of electrons on nitrogen atom is delocalized over benzene ring due to resonance and hence less available to a proton.

Choose the most appropriate option;

The type of hybridisation and magnetic property of the complex [MnCl₆]^3$$-$$, respectively, are :

The number of geometrical isomers found in the metal
complexes [PtCl₂(NH₃)₂], [Ni(CO)₄], [Ru(H₂O)₃Cl₃ and [CoCl₂(NH₃)₄]⁺ respectively, are :

Presence of which reagent will affect the reversibility of the following reaction, and change it to a irreversible reaction :

CH₄ + I₂ $$\mathrel{\mathop{\kern0pt\rightleftharpoons} \limits_{{\mathop{\rm Re}\nolimits} versible}^{hv}} $$ CH₃ $$-$$ I + HI

Which one among the following chemical tests is used to distinguish monosaccharide from disaccharide?

Consider the above reaction and identify the Product P :

The compound 'A' is a complementary base of _______________ in DNA stands.

Staggered and eclipsed conformers of ethane are :

Match List - I with List - II :

	List - I		List - II
(a)	NaOH	(i)	Acidic
(b)	$$Be{(OH)_2}$$	(ii)	Basic
(c)	$$Ca{(OH)_2}$$	(iii)	Amphoteric
(d)	$$B{(OH)_3}$$
(e)	$$Al{(OH)_3}$$

Choose the most appropriate answer from the options given below

The correct order of stability of given carbocation is :

The density of NaOH solution is 1.2 g cm^$$-$$3. The molality of this solution is _____________ m. (Round off to the Nearest Integer)

[Use : Atomic mass : Na : 23.0 u, O : 16.0 u, H : 1.0 u, Density of H₂O : 1.0 g cm^$$-$$3]

The conductivity of a weak acid HA of concentration 0.001 mol L^$$-$$1 is 2.0 $$\times$$ 10^$$-$$5 S cm^$$-$$1. If $$\Lambda _m^o$$(HA) = 190 S cm² mol^$$-$$1, the ionization constant (K_a) of HA is equal to ______________ $$\times$$ 10^$$-$$6. (Round off to the Nearest Integer)

1.46 g of a biopolymer dissolved in a 100 mL water at 300 K exerted an osmotic pressure of 2.42 $$\times$$ 10^$$-$$3 bar.

The molar mass of the biopolymer is _____________ $$\times$$ 10⁴ g mol^$$-$$1. (Round off to the Nearest Integer)

[Use : R = 0.083 L bar mol^$$-$$1 K^$$-$$1]

An organic compound is subjected to chlorination to get compound A using 5.0 g of chlorine. When 0.5 g of compound A is reacted with AgNO₃ [Carius Method], the percentage of chlorine in compound A is ____________ when it forms 0.3849 g of AgCl. (Round off to the Nearest Integer)

(Atomic masses of Ag and Cl are 107.87 and 35.5 respectively)

The number of geometrical isomers possible in triamminetrinitrocobalt (III) is X and in trioxalatochromate (III) is Y. Then the value of X + Y is _______________.

In gaseous triethyl amine the "$$-$$C$$-$$N$$-$$C$$-$$" bond angle is _________ degree.

For water at 100$$^\circ$$ C and 1 bar,

$$\Delta$$_vap H $$-$$ $$\Delta$$_vap U = _____________ $$\times$$ 10² J mol^$$-$$1. (Round off to the Nearest Integer)

[Use : R = 8.31 J mol^$$-$$1 K^$$-$$1]

[Assume volume of H₂O(l) is much smaller than volume of H₂O(g). Assume H₂O(g) treated as an ideal gas]

PCl₅ $$\rightleftharpoons$$ PCl₃ + Cl₂

K_c = 1.844

3.0 moles of PCl₅ is introduced in a 1 L closed reaction vessel at 380 K. The number of moles of PCl₅ at equilibrium is ______________ $$\times$$ 10^$$-$$3. (Round off to the Nearest Integer)

The difference between bond orders of CO and NO$$^ \oplus $$ is $${x \over 2}$$ where x = _____________. (Round off to the Nearest Integer)