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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 26601. |
The organic chloro compound, which shows complete sterochemical inversion during a S_(N)2 reaction, is |
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Answer» `CH_(3)CL` |
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| 26602. |
The number of possible of an octahedral complex [Co(C_(2)O_(4))_(2)(NH_(3))_(2)]^(-) is |
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Answer» 1 |
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| 26603. |
The organic chloro compound, which shows complete sterochemical inversion during a SN^(2) reaction is …… |
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Answer» `(CH_(3))_(2)CHCL` |
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| 26604. |
The number of possible organobromine compounds which can be obtained in the allylic bromination of 1-butene with N-bromosuccinamide is - |
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Answer» 1 
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| 26605. |
The organic acids are weakly acidic while alcohols are neutral even though both contain -OH group because _______. |
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Answer» association of molecules TAKES place in alcohols |
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| 26606. |
The number of possible monochloro isomers (including stereoisomer ) formed on monochlorination of (CH) ... CHCH..CH..is |
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Answer» 2 `CH_3-underset(CH_3)underset(|)(CH)-underset(Cl)underset(|)(CH)-CH_3` (two str.) `CH_3-underset(CH_3)underset(|)(CH)-underset(Cl)underset(|)(CH)-CH_3` (one str.) `Cl - CH_2-underset(CH_3)underset(|)(CH)-CH_2-CH_3`, (two str.) |
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| 26607. |
The organic chloro compound which shows complete stereochemical inversion during a S_(N)^(2) reaction is |
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Answer» `CH_(3)CL` |
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| 26608. |
The number of possible open chain (acyclic) isomeric compounds for molecular formula C_(5)H_(10) would be |
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Answer» `8` `underset("1-pentene (i)")(CH_(3)CH_(2)CH_(2)CH=CH_(2))""underset("2-pentene, (cis,-trans) (ii),(iii)")(CH_(3)CH_(2)CH=CHCH_(3))` `underset("3-methyl-1-butene, (iv)")(CH_(3)-overset(CH_(3))overset(|)(C)H-CH=CH_(2))""underset("2-methyl-1-butene, (v)")(CH_(3)CH_(2)overset(CH_(3))overset(|)(C)=CH_(2))` `underset("2-methyl-2-butene, (vI)")(CH_(3)-overset(CH_(3))overset(|)(C)=CHCH_(3))`. |
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| 26609. |
The number of possible isomers of a square planar complex, [mabcd] is/are |
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Answer» 4 |
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| 26610. |
The organicchlorocompound, whichshowscompletestereochemicalinversionduringS_(N^2)reactionis |
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Answer» `(CH_3)_3"CCl"` |
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| 26611. |
The number of possible monochloro derivatives of 2,2,3,3-Tetramethylbutane is - |
| Answer» SOLUTION :N//A | |
| 26612. |
The ores that are concentrated by forth flotation method are : |
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Answer» SULPHIDES |
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| 26613. |
The number of possible isomers for the complex [Co(C_(2)O_(4))(NH_(3))_(2)] is |
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Answer» 1 |
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| 26614. |
The organic acid with out -COOH group is |
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Answer» Malonic ACID |
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| 26615. |
The number of possible isomers for molecular formula C_(4)H_(10)O is ________ |
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Answer» 3 |
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| 26616. |
The ores that are concentrated byfloatation method are : |
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Answer» Carbonates |
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| 26617. |
The number of possible geometrical isomers for the complex [Pt(NH_(3))(py) (NH_(2)OH)(NO_(2))] is : |
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Answer» 2 |
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| 26618. |
The ores of aluminium and tin normally occurs in the form of |
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Answer» Sulphides |
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| 26619. |
The number of possible isomers for molecular formula C_(3)H_(8)O is ________ |
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Answer» 2 |
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| 26620. |
The ore which contains both copper and iron…. |
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Answer» CUPRITE |
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| 26621. |
The number of possible enantiomeric pairs that can be produced during monochlorination of 2-methylbutane is |
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Answer» 2 |
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| 26622. |
The number of possible enantiomeric pairs that can be produced during monochlorination of 2-methylbutane is: |
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Answer» 2 |
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| 26623. |
The number of possible enantiomeric pairs that can be produced during mono-chlorination of 2-methylbutane is |
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Answer» 3 Its monochloro derivatives are as follows : (i) `{:(ClCH_(2)-overset(*)(C)H-CH_(2)-CH_(3)),("|"),(""CH_(3)):}` or `{:(CH_(3)-overset(*)(C)H-CH_(2)-CH_(3)),("|"),(""CH_(2)Cl):}` It will exist as enantiomeric pair (d and l-forms) (ii) `{:(""Cl),("|"),(CH_(3)-C-CH_(2)-CH_(3)),("|"),(""CH_(3)):}` no asymmetric C-atom (iii) `{:(""Cl),("|"),(CH_(3)-CH-CH-CH_(3)),("|"),(""CH_(3)):}` It will exist as enantiomeric pair (d-and l-forms) (iv) `{:(CH_(3)-CH-CH_(2)-CH_(2)-Cl),("|"),(""CH_(3)):}` No asymmetric carbon atom Hence, only TWO enantiometric pairs will be obtained by the monochlorination of 2-methylbutane. |
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| 26624. |
The ore that is concerted by Froth Floatation process is : |
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Answer» Cinnabar |
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| 26625. |
The number of possible aromatic ether for compound C_8H_10O is …...... |
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Answer» 4 |
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| 26627. |
The numberof positionisomers for an armoaticcompoundhavingthe molecular formulaC_(8)H_(10) is : |
| Answer» ANSWER :A | |
| 26628. |
The number of possible alkynes with molecular formula C_(5)H_(8) is: |
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Answer» 2 |
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| 26629. |
The number of polypeptide chains in insulin is ? |
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Answer» |
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| 26630. |
The number of polypeptide chains present in haemoglobin is : |
| Answer» Answer :A | |
| 26631. |
The ore magnesite is: |
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Answer» `MgCO_3.CaCO_3` |
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| 26632. |
The number of pi molecular orbitals completely filled in the ground state of benzene is : |
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Answer» THREE |
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| 26633. |
The number of pi- bonds present in NCl_3 is: |
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Answer» 1 |
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| 26634. |
The number of pi- electrons present in cyclobutasdienyl anion (C_4H_4)^2 - is: |
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Answer» 8 |
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| 26635. |
The orehavingtwodifferentmetalatoms is |
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Answer» HAEMATITE |
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| 26636. |
The number of pi-electrons in phenanthracene is : |
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Answer» `14 PI` electrons  No. of `pi`-electrons = 14 |
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| 26637. |
The number of pi- electrons in naphthalene is |
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Answer» 5 |
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| 26638. |
The number of pi-bonds present in propyne is: |
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Answer» 2 |
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| 26639. |
The ore that is concentrated by froth floatation process is |
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Answer» BAUXITE ore |
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| 26640. |
The number of (pi)-bonds in the structure gives below are : NC-CH=CH-CN |
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Answer» 5 |
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| 26641. |
The ore concentrated by electromagnetic separation is |
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Answer» Wolframine |
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| 26642. |
The number of pi-bonds in the product formed by passing acetylene through dilute sulphuric acid containing mercuric sulphate is |
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Answer» Zero |
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| 26643. |
The ore concentrated by electromagnetic saparation is |
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Answer» Wolframine |
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| 26645. |
The ore chromite is |
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Answer» `FeCr_(2)O_(4)` |
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| 26647. |
The ore carnalite is represented by structure |
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Answer» `Na_(3)AlF_(6)` |
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| 26648. |
The number of pibonds in ClO_(4)^(-) ion is |
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Answer» 2 |
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| 26649. |
The number of pi bonds in CH_(2)=CH-CH=CH-C-=CH is |
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Answer» 4 |
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| 26650. |
The ore chromite is___________. |
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Answer» `FeCr_(2)O_(4)` |
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