Explore topic-wise InterviewSolutions in .

The sugar COMPONENT RNA is ARABINOSE and sugar in DNA is ribose
The sugar component in RNA is 2'DEOXYRIBOSE and the sugar component in DNA is arabinose.
The sugar component in RNA is arabinose and the sugar component in DNA is 2' - deoxyribose.
The sugar component in RNA is ribose and sugar component in DNA is 2'- deoxyribose.

at absolute zero TEMPERATURE, entropy of a PERFECTLY crystalline solid is zero
at absolute zero temperature, the entropy of a perfectly crystalline substance is + ve
at absolute zero temperature,the entropy of 9 all crystalline substances is zero
at `0^(@)C` the entropy of a PERFECT crystalline solid is zero

Frenkel defects DECREASES the density of crystalline solid. 
Frenkel defect is a DISLOCATION defect. 
Frenkel defect is found in HALIDES of alkali metals. 
SCHOTTKY defects have no effect on the density of crystalline solids. 

Schottky defect has no effect on the physical properties of SOLIDS
Frenkel defect is a DISLOCATION defect
Frenkel defect is USUALLY favoured by a very small difference in the sizes of cations and anions
trapping of proton in the lattice leads to the formation of f- centers.

It is inner ORBITAL COMPLEX and DIAMAGNETIC
It is outer orbital complex and diamagnetic
It is inner orbital complex and para MAGNETIC
It is outer orbital complex and para magnetic

On decreasing value of 'n', `Cl-O` BOND ORDER increases
On increasing value of 'n', Cl-O bond LENGTH increases
On increasing value of n, OXIDATION number of CENTRAL atom increases
On increasing value of n, hybrid orbitals on central atom increases

A carbonyl COMPOUND with a hydrogen atom om its alphacarbon never EQUILIBRATES with its corresponding ENOL
A carbonyl compound with a hydrogen atom on its alphacarbon rapidlyequilibrates with its corresponding enol and this process is known as aldehyde-ketone equilibration
A carbonyl compound compound with a hydrogen atom on its alphacarbon rapidly equilibrates with its corresponding enol and this process is known as carbonylation
A carbonyl compound with a hydrogen atom on its alphacarbon rapidly equilibrates with its corresponding enol and this process is known as keto-enol tautomerism

a carbonly compound with a hydrogen ATOM on its alpha-CARBON RAPIDLY equilibrates with its corresponding enol and this process is KNOWN as carbonylation
a carbonyl compound with a hydrogen atom on its alpha-carbon rapidly equilibrates with its corresponding enol and this process is known as keto-enol tautomerism
a carbonly compound with hydrogen atom on its alpha - carbon never equilibrates with its corresponding enol
a carbonyl compound with a hydrogen atom on its alpha-carbon rapidly equilibrates with its corresponding enol and this process is known as aldehyde-ketone equilibration.

<P>(P) and (Q) show GEOMETRICAL and optical isomerism
(Q) and (R ) show geometrical and optical isomerism
(P) and (Q) show only geometrical isomerism
(Q) and (R ) show only geometrical isomerism

(a) and (b) SHOW only GEOMETRICAL ISOMERISM
(b) and ( C) show geometrical and optical isomerism
(b) and (c ) show only geomterical isomerism
(a) and (b) show geometrical and optical isomerism

rapidly EQUILIBRATES with its corresponding enol and this PROCESS is known as carbonylation
rapidly equilibrates with its corresponding enol and this process in known as keto-enol TAUTOMERISM
nenver equilibrates with its corresponding enol
rapidly equilibrates with its correspondingenol and this process in known as aldehyde-ketone equilibration

Zirconium (Zr) and hafnium (HF) have almost same size
Correct ORDER of ionisation energy of coinage metals is CugtAg`ltAu`
Carbon atom in `C Cl_(4)` is more electronegative than carbon atom in `CF_(4)`
`PB^(2+)` is more stable than `Pb^(4+)`

`cu_(2)CI_(2)` and `Ag_(2)S ` arecoloured
Uponstrongheatingparamagneticgases areevolved by Na`NO_(3)` and `AgNO_(3)`
Greenvitriola andbluevitriol are isomorphus
`KMnO_(4)` and `K_(2)Cr_(2) O_(7)`are coloureddue to

DOLOMITE is the ORE of zinc
Galena is the ore of mercury
Pyrolusite is the ore of iron
Cassiterite is the ore of tin

the earlier members of lanthanoid SERIES resemble calcium in their chemical properties
the extent of actinoid contraction is almost the same as lanthanoid contraction
in general, lanthanoid and actinoids do not SHOW variable oxidation states
`CE^(+4)` in aqueous SOLUTION is not known

The ionic crstal of AgBr has Schottky defect
The unit cell having crystal PARAMETERS, `a=b NEC,alpha=beta=90^(@),gamma=120^(@)` is hexagonal
In ionic COMPOUNDS having Frenkel defect the RATIO `(gamma_(+))/(gamma_(-))` is high
The coordination number of `Na^(+)` ion in NACl is 4.

in maltose,GLYCOSIDIC linkage is between C-1 andC-2 of `ALPHA`-D- glucopyranose units
in CELLULOSE, glycosidic linkage is between C-1 and C-4 of `BETA` -D-glucopyranose unitsin sucrose , glycosidic linkage is between C-1 and C-4 of `alpha`-D-glucopyranoseunits.

it contains `Cs^(+), I^(-)` and LATTICE `I_(2)` molecules
it is a COVALENT moleule
it contains `Cs^(+) and I_(3)^(-)` ions
it contains `Cs^(3+) and I^(-)` ions

It is a COVALENT molecule.
it contains `Cs^(+)` and `i_(3)^(-)` ions.
it contains `Cs^(3+)` and `I^(-)` ions.
It contains `Cs^(+), I^(-) and `lattice `I_(2)` molecule.

it contains `Cs^(+),I^(-)` and lattice `I_(2)` molecule
it is a COVALENT molecule
it contains `Cs^(+)andI_(3)^(-)` ions
it contains `Cs^(3+)ANDI^(-)` ions

`HClO_4` is the CONJUGATE ACID of `H_2O`
`H_2O` is the conjugate acid of `H_3O^+`
`H_3O^+` is the conjugate BASE of `H_2O`
`ClO_4^-` is the conjugate base of `HClO_4`

SODIUM dodecylbenzensulphonate is used in toothpaste is a CATIONIC detergent
Sodium lauryl SULPHATE forms an insoluble scum with hard water
Cetyltrimethylammonium bromide is a popular cationic detergent used in hair conditioner
Non - ionic detergents are formed when polythene glycol reacts with adipic acid

The SYNTHESIS requires TWO aldol condensation and two CANNIZZARO reactions
Alpha hydrogens of ethanol and methanol are involved in this REACTION
The synthesis requires four aldol condensations between methanol and ethanol
The synthesis requires aldol condensation and one cannizzaro reaction.

R is steam volatile
Q gives dark violet coloration with 1% aqueous `FeCl_3` solution
S gives yellow PRECIPITATE with 2,4-dinitrophenylhydrazine
S gives dark violet COLOURATION with 1% aqueous `FeCl_3` solution

Ring (a) is PYRANOSE with `ALPHA`-GLYCOSIDIC link
Ring (a) is furanose with `alpha`-glycosidic link
Ring (b) is furanose with `alpha`-glycosidic link
Ring (b) is pyranose with `BETA`-glycosidic link

There are 12F-S-F `90^(@)` BOND angle
S in `SF_(6)` has an expanded OCTET
With `H_(2)O, SF_(6)`on accept lonepair of electron in the empty 3d atomic orbital and gets hydrolysed
`SF_(6)` has a distorted OCTAHEDRAL geometry

It is a strong MONOBASIC acid
it is not a PROTON donor, but a weak LEWIS acid
It is a tribasic acid
It is harmful for eyes

they are all metals
they show VARIABLE VALENCY
they form coloured ions and complex salts
all the above STATEMENTS are CORRECT

It contains a weak ACID and its CONJUGATE BASE.
it contains a weak base and its conjugate acid
it shows little change in ph on ADDING small amount of an acid or base
All of the above

`AGTBGTC`
`bgtcgta`
`cgtbgta`
`cgtagtb `

`Th^(232) , Pb^(208)`
`U^(235) , Pb^(207)`
`U^(238) , Pb^(207)`
`NP^(237) , Bi^(209)`

C LT a lt B
c = b lt a
c lt a = b
a = b = c

IgtIIgtIIIgtIV
IIIgtIVgtIIgtI
IIgtIVgtIIIgtI
IVgtIIIgtIIgtI

(II) gt (IV) gt (I) gt (III)
(I) gt (II) gt (III) gt (IV)
(II)gt (II)gt (III) gt (IV)
(I) gt (III) gt (II) gt (IV)

(II) GT (IV) gt (I) gt (III)
(I) gt (II) gt (III) gt (IV)
(II) gt (I) gt (IV) gt (III)
(I) gt (III) gt (II) gt (IV)

`N_(2)gt N_(2)^(+)gt N_(2)^(-)gt N_(2)^(-2)`
`N_(2)^(-)gt N_(2)^(+)gt N_(2)gt N_(2)^(-2)`
`N_(2)^(+)gt N_(2)^(-)gt N_(2)gt N_(2)^(-2)`
`N_(2)gt N_(2)^(+)= N_(2)^(-)gt N_(2)^(-2)`

II, IV
I, IV
II, III, IV
I, II, III

II,IV
I,IV
III, II, IV
I,II,III

`{:(,A,B,C,D),((A), 2^(@)"Amine","Methyl KETONE",1^(@) "Amine","Alcohol"):}`
`{:(,A,B,C,D),((B),1^(@) "Amine","Methyle ketone",1^(@) "Amine","Alcohol"):}`
`{:(,A,B,C,D),((C),2^(@)"Amine","Methyl ketone",2^(@) "Amine","ACID"):}`
`{:(,A,B,C,D),((D),2^(@)"Amine","Methyl ketone",2^(@) "Amine","Aldehyde"):}`

`S-S(S_(8))gt P-P (P_(4))`
`d_(N-N), NH_(2)-NH_(2)gt NF_(2)-NF_(2)`
`d_(S-Cl), SOCl_(2) gt SO_(2)Cl_(2)`
`d_(B-O), B(OH)_(3) gt [B(OH)_(4)]^(-)`

<P>(I)(IV)(P)
(II)(iii)(P)
(I)(iii)(Q)
(III)(i)(R)

<P>(I)(iv)(P)
(III)(I)(R)
(I)(iv)(Q)
(III)(iv)(R)

(I)(i)(Q)
(II)(i)(P)
(III)(i)(R)
NONE of these

`2, 1, 0`
`2, 1, 1`
`3,1,1`
`3,2,1`

`5,0,0,+1//2`
`5,1,0,+1//2`
`5,1,1,+1//2`
`5,0,1,+1//2)`

`2,0,0 + (1)/(2)`
`2,1,-1 + (1)/(2)`
`3,1,1, pm (1)/(2)`
`3,0,0 pm (1)/(2)`

`2, 0, 0, +(1)/(2)`
`3, 0, 0, +-(1)/(2)`
`2,1 , -1,+(1)/(2)`
`3, 1, 1, +-(1)/(2)`

n=2, l=1, m=0
n=2, l=1, m=1
n=3, l=1, m=1
n=3, l=0, m=0

`3,1,0,1/2`
`4,0,0,1/2`
`3,0,0,1/2`
`4,1,0,1/2`