Equimolar concentrations of H₂ and I₂ are heated to equilibrium in a 1 litre flask. What percentage of initial concentration of H₂ has reacted at equilibrium if rate constant for both forward and reverse reactions are equal ____________

(a)

33%

(b)

66%

(c)

(33)²%

(d)

16.5%

Statement I: In dissociation of PCI₅ to PCl₃ and Cl₂,K_p> K_c
Statement II : In dissociation of PCI₅, ∆n_g = -ve and so K, > K_c

(a)

Statement I & II are correct and statement II is the correct explanation of statement 1.

(b)

Statement I & II are correct but statement II is not the correct explanation of statement I.

(c)

Statement I is correct but statement II is wrong

(d)

Statement I is wrong but statement II is correct

Statement I. Addition of an inert gas at constant volume has no effect on equilibrium.
Statement II. When an inert gas is added, the total number of moles of gases present in the container increases and total pressure also increases, the partial pressure of the products and reactants are unchanged.

(a)

Statement I and II are correct but statement II is not the correct explanation of I

(b)

Statement I and II are correct and statement II is the correct explanation of I.

(c)

Statement I is correct but statement II is not correct.

(d)

Statement I is wrong but statement II is correct

In the reaction N₂ + 3H₂ ⇌ 2NH₃ + x kCal, one mole of N₂ reacts with 3 moles of H₂ at equilibrium. Then the value of ∝ (degree of dissociation) is approximately ________. P is the pressure at equilibrium 

(a)

\(\frac { P\sqrt { 27{ K }_{ P } } }{ 8 } \)

(b)

\(\frac { 8P }{ { K }_{ P }\sqrt { 27 } } \)

(c)

\(\frac { P\sqrt { 27 } }{ 8{ K }_{ P } } \)

(d)

\(\frac{n}{v}\)

Which one of the following gases has the lowest value of Henry's law constant ?

(a)

N₂

(b)

He

(c)

CO₂

(d)

H₂

The temperature at which the vapour pressure of a liquid equals external pressure is called __________

(a)

freezing point

(b)

boiling point

(c)

melting point

(d)

critical temperature

For associative solutes ____________

(a)

i < 1 and a < 1

(b)

i > 1 and a >. 1

(c)

i < 1 and a < 1

(d)

i > 1 and a < 1

Among the following, which one is mostly present in sea water?

(a)

NaCl

(b)

NaI

(c)

KCl

(d)

MgBr₂

Which one of the following is the likely bond angles of sulphur tetrafluoride molecule ?

(a)

120^o,80^o

(b)

109^o,28

(c)

90^o

(d)

89^o,117^o

Which compound has planar structure?

(a)

XeF₄

(b)

XeOF₂

(c)

XeO₂F₂

(d)

XeO₄

The shape of IF₇ molecule is ___________

(a)

square planar

(b)

tetrahedral

(c)

Pentagonal bipyramidal

(d)

linear

Statement I : In sulphur hexafluoride, the central atom has more than eight valence electrons.
Statement II : The central atom can accommodate additional electron pairs by using outer vacant d orbitals.

(a)

Statements I and II are correct and statement II is the correct explanation of statement I

(b)

Statements I and II are correct but statement II is not the correct explanation of statement I.

(c)

Statement I is correct but statement II is wrong.

(d)

Statement I is wrong but statement II is correct.

Which one of the following has tetrahedral shape?

(a)

HCHO

(b)

BeCl₂

(c)

PbCl₂

(d)

CF₂Cl₂

Structure of the compound whose IUPAC name is 5,6 - dimethylhept - 2 - ene is ___________

(a)

(b)

(c)

(d)

None of these

Sodium nitropruside reacts with sulphide ion to give a purple colour due to the formation of _________

(a)

[Fe(CN)₅ NO]^3-

(b)

[Fe(NO)₅ CN]⁺

(c)

[Fe(CN)₅NOS]^4-

(d)

[Fe (CN)₅ NOS]^3-

In which of the following compound has only one type of hybridised carbon atom?

(a)

(b)

(c)

(d)

All of these

Assertion (A): C₂ Dr CI FI can farm 6 different geometrical isomers.
Reason (R):  Each one structure is geometrical isomer of other five structures.
Codes:
(a) Both A and Rare true and Ris correct explanation of A
(b) Both A and R are true but R is not correct explanation of A.
(c) A is true but R is false
(d) Both A and R are false.

(a)

Both A and Rare true and Ris correct explanation of A

(b)

Both A and R are true but R is not correct explanation of A.

(c)

A is true but R is false

(d)

Both A and R are false.

Which of the following does not show optical isomerism?

(a)

Glucose

(b)

Tartaric acid

(c)

Lactic acid

(d)

Methane

Which of the following compounds will exhibit cis-trans isomerism?

(a)

2-Butene

(b)

2-Butyne

(c)

1-Butene

(d)

2-Butanol

Which one is incorrect match of reactions ?

(a)

(b)

\(C{ H }_{ 3 }-C{ H }_{ 2 }-Br\overset { aq.\quad KOH }{ \longrightarrow } C{ H }_{ 3 }-C{ H }_{ 2 }OH\) ⟶ Nucleophilic substitution reaction

(c)

(d)

\(\left( C{ H }_{ 3 } \right) C-Cl\overset { \overset { + }{ H } }{ \longrightarrow } { \left( C{ H }_{ 3 } \right) }_{ 3 }C-C{ H }_{ 2 }+{ H }_{ 2 }O+{ Cl }^{ - }\) ⟶ Nucleophilic substitution reaction

Assertion (A) : \(C{ H }_{ 3 }-\overset { + }{ C } H-C{ H }_{ 3 }\) has 6 hyper-conjugative hydrogens. While \(C{ H }_{ 3 }-\overset { + }{ C } H-C{ H }_{ 2 }-C{ H }_{ 3 }\) has 5 hyper-conjugative hydrogens.
Reason (R) : \(C{ H }_{ 3 }-\overset { + }{ C } H-C{ H }_{ 3 }\) is more stable than \(C{ H }_{ 3 }-\overset { + }{ C } H-C{ H }_{ 2 }-C{ H }_{ 3 }\)
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) Both A and R are false.

(a)

Both A and R are true and R is the correct explanation of A.

(b)

Both A and R are true but R is not the correct explanation of A.

(c)

A is true but R is false.

(d)

Both A and R are false

The chair form is ___________ stabole than boat form by potential energy kJ/mol.

(a)

More, 44 kJ/mol

(b)

Less, 44 kJ/mol

(c)

More, 12.55 kJ/mol

(d)

Less, 4 kJ/mol

Statement-I: Methane, ethane, propene and butane are alkane group compounds.
Statement-II: They are obeying C_nH_{2n + 2} formula and each member differs from its proceeding member by a -CH₂ group.

(a)

Statement-I and II are correct and Statement-II is correct explanation of statement-I.

(b)

Statement-I and II are correct but statement-II is not correct explanation of statement-I

(c)

Statement-I is correct but statement-II is wrong

(d)

Statement-I is wrong but statement-II is correct

Which one of the following has garlic odour?

(a)

Ethane

(b)

Ethene

(c)

Ethyne

(d)

Ethanol

Which among these is not associated with aliphatic compounds?

(a)

They contain (4n+2)\(\pi\) electrons

(b)

They contain straight chain compounds

(c)

They contain branched chain compounds

(d)

They have appropriate number of H-atoms and functional groups.