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27301.

The number of stereoisomers possible for CH_(3)-CH=CH-CH(OH)-Me is :

Answer»

3
2
4
6

Answer :C
Discussion
27302.

The number of coordinate bonds formed by the ligands with the central metal atom is called its ……. .

Answer»

SOLUTION :COORDINATION NUMBER
Discussion
27303.

The number of stereoisomers possible for a compound of the molecular formula CH_(3)-CH=CH-CH(OH)-Me is

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3
2
4
6

Solution :`{:(CH_(3)-CH=CH-overset(**)(C)H-CH_(3)),("|"),(""OH):}` TOTAL POSSIBLE isomers are FOUR.
cis - R
trans - R
cis - S
trans - S
Discussion
27304.

The number of stereoisomers possible for 2,3,4 – trichloropentane

Answer»


SOLUTION :
Discussion
27305.

The number of conformations of ethane is:

Answer»

1
2
3
infinite.

ANSWER :D
Discussion
27306.

The number of stereoisomers of compound CH_(3)-CH=CH-CH(Br)CH_(3) is :

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2
3
4
6

Answer :C
Discussion
27307.

The number of coordinating or ligating groups present in a ligand is called its ……. . '

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SOLUTION :DENTICITY
Discussion
27308.

The number of condensation polymers among the following: nylon 6, glyptal, orlon, terylene, bakelite, PVC, nylon 6, 6, melamine are

Answer»


ANSWER :6
Discussion
27309.

The number of stereoisomers and optical isomers possible for the compound abdC-Cabd are respectively

Answer»

3,3
3,2
2,3
2,2

Solution :ABD C- C abd has three stereoisomeric FORMS, i.e., d-FORM, l-form and meso - form but (only TWO of these i.e., d- and l-forms are optically active.
Discussion
27310.

The number of compounds that undergo ring expansion on reaction with H_(2)SO_(4) is

Answer»


ANSWER :3
Discussion
27311.

The number of stereoisomeric products of 2,3,4-trichlorohexane

Answer»


SOLUTION : No. of OPTICAL ISOMERS ` = 2^n to 2^n = 2^3 = 8 ( thereforen = 3)`
Discussion
27312.

Thenumber of compounds formed on monobrominationof CH_(3)CH_(2)overset(CH_(3))overset(|)(C)Hunderset(CH_(3))underset(|)(C)HCH_(2)CH_(3)is-

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3
2
5
4

Answer :D
Discussion
27313.

The number of compounds in which isotopic oxygen is retained by olefinic bond on reaction with hydroiodic acid is___

Answer»


ANSWER :6
Discussion
27314.

The number of stereo-centres present in linear and cyclic structure of glucose are respectively …………………….

Answer»

4 and 5
5 and 5
4 and 4
5 and 4

SOLUTION :4 and 5
Discussion
27315.

The number of compounds having all atoms in a single plane are XeF_(4),SF_(4), Al_(2)Cl_(6),SnCl_(4),I_(2)Cl_(6), H_(2)C=C=C=CH_(2), PhCl, C_(2)(CN)_(4),Icl_(3), PCl_(5)

Answer»


ANSWER :6
Discussion
27316.

The number of stereoisomeric compounds possible for 1,2,3,4 – tetra- chlorobutane

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SOLUTION :
Discussion
27317.

The number of collisions of reactant molecules per second is known as............

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SOLUTION :FREQUENCY FACTOR (A)
Discussion
27318.

The number of state functions the following properties are Temperature, Pressure, Volume, Heat capacity. Density, pH of a solution, EMF of a cell. Entropy, Free energy. Enthalpy, Surface tension, Viscosity, Boiling point.

Answer»


Solution :STATE Functions : Pressure, Volume, TEMPERATURE, Density, `pH`, `EMF`, Surface tension, Viscosity, BOILING POINT.
Discussion
27319.

The number of collision depends on :

Answer»

MEAN FREE path
Pressure
Temperature
All of these

Answer :D
Discussion
27320.

The number of co-ordination isomers of [Ag*NH_(3))_(2)][Ag(OH)_(2)] are

Answer»

2
3
4
Zero

Answer :D
Discussion
27321.

The number of spherical nodes in a 4s-orbital in hydrogen atom is:

Answer»

0
1
3
4

Solution :s ORBITALS have (n-1) NODES
Discussion
27322.

The number of Cl^(-) ions present around each Na^(+) ion inNaCl crystal lattice is-

Answer»

3
4
8
6

Answer :C
Discussion
27323.

The number of CO ligands that can be attached to Fe(Z=26) on the basis of EAN theory are

Answer»

5
6
10
12

Solution :`FE(CO)_(X)=36`
`26+2xxx=36implies2x=36-26=10,x=5`
Discussion
27324.

The number of CO bridges present in Fe_(2)(CO)_(9) is

Answer»


SOLUTION :There are 3 CO BRIDGES PRESENT.
Discussion
27325.

The number of space lattices possible for the crystalographic dimensions alpha ne beta ne gamma

Answer»

1
2
3
4

Answer :A
Discussion
27326.

The number of Cl^(-) ions in 100 mL of 0.001 M HCl solution is

Answer»

`6.022xx10%(23)`
`6.022xx10^(20)`
`6.022xx10^(19)`
`6.022xx10^(24)`

Solution :1 L or 1000 mL of 0.001 M HCL solution CONTAINS
`Cl^(-)=0.0001` mole
`therefore"100 mL of 0.001 M HCl will contain Cl"^(-1)" IONS"`
`=(0.001)/(1000)xx100=10^(-4)" mole"`
`=10^(-4)xx(6.022xx10^(23))`
`=6.022xx10^(19)`
Discussion
27327.

The number of sp^2-s sigma bonds in benzene are

Answer»

3
6
12
none of these

Answer :B
Discussion
27328.

The number of chloride ions which would be precipitated when the complex PtCl_(4).4NH_(3) is treated with silver nitrate is : (here coordination number of platinum is 6).

Answer»

four
ONE
THREE
two

Solution :`[Pt(NH_(3))_(4)Cl_(2)]Cl_(2)rArr 2Cl^(-1) rArr 2 ` molesof AGCL ppt
Discussion
27329.

The number of chloride ions which would be precipitated, when CrCl_(3).4NH_(3) is treated with silver nitrate solution

Answer»


Solution :Co-ordination no. of Cr is 6.
`[Cr(NH_(3))_(4)Cl_(2)]CL""to[Cr(NH_(3))_(4)Cl_(2)]^(+)+Cl`
`Cl^(-)+AgNO_(3)toAgCldarr+NO_(3)^(-)`
Thus only one `Cl^(-)` ION is precipitated.
Discussion
27330.

The number of sp^3 atoms in cyclotrimeta phosphoric acid is

Answer»


SOLUTION :Cyclotrimeta phosphoric acid `(HPO_3)_3`

`9-Sp^3` Hybridised atom
(i.e 3-p atoms +3-0 atoms)
in the +3 - 0 atoms of 3 - OH GROUPS)
Discussion
27331.

The number of sp^2 and sp^3 hybridised carbon in fructose are respectively

Answer»

1 and 4
4 and 2
5 and 1
1 and 5

Solution :1 and 5
Discussion
27332.

The number of chiral centers in the open chain structure of glucose is______

Answer»

1
4
5
6

Answer :B
Discussion
27333.

The numberof sp2 and sp3 hybridisedcarbon in furctose arerespectively ……….. .

Answer»

1 and 4
4 and 2
5 and 1
1 and 5

ANSWER :D
Discussion
27334.

The number of chiral centres in Penicillin is....

Answer»


SOLUTION :3
Discussion
27335.

The number of sp hybridized atoms in pseudohalogen cyanogen is/are

Answer»


ANSWER :4
Discussion
27336.

The number of chiral centres in the cyclic hemiacetal form of Glucose is

Answer»

3
4
5
6

Answer :C
Discussion
27337.

The number of six membered carbon rings in the structure of Buckminsterfullerene (i.e. C_60)is .

Answer»


SOLUTION :It contains TWENTY SIX - membered rings and TWELVE five-membered rings.
Discussion
27338.

The number of chiral centres in D-(+)-glucose is

Answer»

4
3
2
1

Solution :
Discussion
27339.

The number of chiral carbons in beta-D(+) -glucose is

Answer»


SOLUTION :
Discussion
27340.

The number of single electron pairs on Xe atom in XeF_2, XeF_4 and XeF_6 are respectively...

Answer»

2, 3, 1
1, 2, 3
4, 1, 2
3, 2, 1

Answer :D
Discussion
27341.

The number of chiral carbons in chloramphenicol is.....

Answer»


SOLUTION :2
Discussion
27342.

The number of chiral carbons in beta-D (+)-glucose is:

Answer»


ANSWER :`5.00`
Discussion
27343.

The number of chiral carbons in beta-D(+)-glucose is

Answer»

FIVE
SIX
THREE
FOUR

ANSWER :A
Discussion
27344.

The number of Chiral carbons in alpha-D-Glucose are _______

Answer»


SOLUTION :`ALPHA`-D GLUCOSE
Discussion
27345.

The number of chiral carbon atoms present in cyclic structure alpha-D(+) glucose

Answer»

3
4
5
6

Answer :C
Discussion
27346.

The number of chiral carbon atoms in the compound CH_(3)underset(CH_(2)CH_(3))underset("|")(CHCOCH_(3))

Answer»

ONE
TWO
Three
None

Answer :A
Discussion
27347.

The number of chiral carbon atoms in I, II , III respectively are I. 1,2-dimethylcyclohexane II. 2-methylpentane (iii) 3-methylhexane

Answer»

2,1,1
2,0,1
2,0,0
1,1,1

Answer :C
Discussion
27348.

The number of chelate rings present in the complex K_(2) [Ni(EDTA)] is

Answer»


Solution :EDTA forms 5 chelate rings with METAL ION `(M^(2+))` as FOLLOWS :
Discussion
27349.

The number of carbonyl carbon in the products X is Propyne underset(Zn//H_2O)overset(O_3//CH_2CL_2,Delta)rarrX

Answer»


ANSWER :2
Discussion
27350.

The numberof chain isomers of alkane containing carbon atoms is :

Answer»

3
4
5
6

Answer :C
Discussion